# Developer tools — anti-phishing analyst toolkit Canonical page: https://phishdestroy.io/developer-tools 161 browser tools in 8 categories. Each tool has its own page. Tools run in the browser; tools marked "Network" send only what their page says (DNS names to the PhishDestroy DNS relay, RDAP queries, a 5-character SHA-1 prefix to Have I Been Pwned, domains to the Destroy API, wallet addresses to the PhishDestroy phishing-wallet database). Tool pages are in English. ## Phishing URL & domain (13) - [Link Unwrapper](https://phishdestroy.io/developer-tools/link-unwrapper): Find the real destination behind Safe Links, URL Defense, Mimecast and other wrappers. (Runs locally) - [Homoglyph Checker](https://phishdestroy.io/developer-tools/homoglyph-checker): Spot lookalike domains: punycode and Unicode, mixed scripts and UTS #39 confusables. (Runs locally) - [Lookalike Domain Generator](https://phishdestroy.io/developer-tools/lookalike-generator): Generate dnstwist-style typosquats of a domain and check which ones resolve in DNS. (Network: DoH) - [QR Code Decoder](https://phishdestroy.io/developer-tools/qr-decoder): Read a QR code from an image and see its link defanged before anyone opens it. (Runs locally) - [Invisible Character Detector](https://phishdestroy.io/developer-tools/invisible-char-detector): Find zero-width characters, bidi overrides and other invisible tricks in text and links. (Runs locally) - [DestroyList Check](https://phishdestroy.io/developer-tools/destroylist-check): Check up to 500 domains or URLs against the DestroyList phishing blocklist. (Network: DestroyList) - [Reputation Links](https://phishdestroy.io/developer-tools/reputation-links): One domain, URL or IP → lookups on urlscan.io, VirusTotal, Safe Browsing and crt.sh. (Runs locally) - [DNS over HTTPS Lookup](https://phishdestroy.io/developer-tools/dns-over-https-lookup): Resolve A, AAAA, MX, TXT, NS, CNAME, CAA and SOA records through DNS over HTTPS. (Network: DoH) - [URL Encoder / Decoder](https://phishdestroy.io/developer-tools/url-encoder-decoder): Decode %XX sequences in links and redirect parameters, or percent-encode text. (Runs locally) - [URL Parser](https://phishdestroy.io/developer-tools/url-parser): Split a link into protocol, host, port, path, query and fragment, as the browser does. (Runs locally) - [IPv4 Address Converter](https://phishdestroy.io/developer-tools/ip-address-converter): Convert a dotted IPv4 address to its decimal integer, hexadecimal and binary forms. (Runs locally) - [DNS Record Types Reference](https://phishdestroy.io/developer-tools/dns-record-types): Searchable table of common DNS record types, from A and MX to CAA and TLSA, explained. (Runs locally) - [WHOIS Fields Guide](https://phishdestroy.io/developer-tools/whois-fields-guide): What each WHOIS field means: registrar, dates, EPP status, name servers, abuse contacts. (Runs locally) ## Email (4) - [EML Analyzer](https://phishdestroy.io/developer-tools/eml-analyzer): Parse a .eml file: headers, Received chain, links, attachment hashes, sender mismatches. (Runs locally) - [Email Authentication Checker](https://phishdestroy.io/developer-tools/email-auth-checker): Check a domain's SPF (with the 10-lookup limit), DMARC, DKIM, MTA-STS and BIMI records. (Network: DoH) - [SMS Analyzer](https://phishdestroy.io/developer-tools/sms-analyzer): Paste an SMS or chat message to pull out links and phone numbers and flag smishing signs. (Runs locally) - [Email Header Parser](https://phishdestroy.io/developer-tools/email-header-parser): Unfold raw email headers into From, To, Subject, the Received hops and a header table. (Runs locally) ## Files & pages (8) - [HTML Attachment Analyzer](https://phishdestroy.io/developer-tools/html-attachment-analyzer): Scan an HTML or SVG attachment for hidden payloads, atob/eval chains and off-site forms. (Runs locally) - [Multi-Layer Decoder](https://phishdestroy.io/developer-tools/multi-layer-decoder): Peel Base64, hex, URL encoding, gzip and deflate layers until readable text remains. (Runs locally) - [File Type Sniffer](https://phishdestroy.io/developer-tools/file-type-sniffer): Identify a file by its magic bytes and flag extensions that lie about the real format. (Runs locally) - [File Hash Calculator](https://phishdestroy.io/developer-tools/file-hash): MD5, SHA-1 and SHA-256 of any file, with ready VirusTotal and MalwareBazaar search links. (Runs locally) - [Favicon Hash (mmh3)](https://phishdestroy.io/developer-tools/favicon-hash): Compute a site's mmh3 favicon hash with ready Shodan, FOFA, ZoomEye and Censys queries. (Runs locally) - [X.509 Certificate Decoder](https://phishdestroy.io/developer-tools/x509-decoder): Decode a PEM certificate: subject, SAN list, issuer, validity and fingerprints. (Runs locally) - [PDF Signature Detector](https://phishdestroy.io/developer-tools/pdf-signature-checker): Find digital signature markers in a PDF and show the signer name, reason and location. (Runs locally) - [Base64 File Converter](https://phishdestroy.io/developer-tools/base64-file-converter): Convert a file to a Base64 data URI, or paste a data URI and download the decoded file. (Runs locally) ## Crypto & wallets (5) - [BIP39 Decoy Seed Phrase Generator](https://phishdestroy.io/developer-tools/bip39-decoy-generator): Generate decoy BIP39 phrases to flood seed-phishing forms. It never takes a real phrase. (Runs locally) - [Signature Request Inspector](https://phishdestroy.io/developer-tools/sign-inspector): See what a wallet signature really approves: EIP-712, calldata, permit and Permit2. (Runs locally) - [Address Poisoning Checker](https://phishdestroy.io/developer-tools/address-poisoning-checker): Compare your history with the address you meant to pay and spot poisoned lookalikes. (Runs locally) - [Address Checksum Validator](https://phishdestroy.io/developer-tools/address-checksum): Validate EIP-55, Bitcoin, TRON and Solana addresses and show the correct checksum form. (Runs locally) - [Phishing Wallet Lookup](https://phishdestroy.io/developer-tools/phishing-wallet-lookup): Check up to 20 crypto addresses against PhishDestroy's database of phishing wallets. (Network: PhishDestroy) ## Reporting & IOC (9) - [Abuse Report Generator](https://phishdestroy.io/developer-tools/abuse-report-generator): Build abuse reports for registrars, hosting providers and CDNs, as an email and as JSON. (Runs locally) - [Abuse Contact Lookup](https://phishdestroy.io/developer-tools/abuse-contact-lookup): Find the registrar and network abuse contacts for a domain or IP from RDAP. (Network: RDAP, DoH) - [IOC Converter](https://phishdestroy.io/developer-tools/ioc-converter): Turn a list of IOCs into STIX 2.1, MISP JSON, CSV, Suricata rules or a YARA skeleton. (Runs locally) - [Blocklist Converter](https://phishdestroy.io/developer-tools/blocklist-converter): Turn domains and URLs into hosts, AdGuard, Pi-hole, RPZ, dnsmasq or Unbound blocklists. (Runs locally) - [Screenshot Redactor](https://phishdestroy.io/developer-tools/screenshot-redactor): Black out or pixelate personal data on a screenshot; the PNG never leaves your browser. (Runs locally) - [Evidence Record](https://phishdestroy.io/developer-tools/evidence-record): Bundle a URL, source, UTC time and file SHA-256 into one checkable JSON record. (Runs locally) - [Archive Link Builder](https://phishdestroy.io/developer-tools/archive-link-builder): Save and find copies of a page in the Wayback Machine and archive.today, minus trackers. (Runs locally) - [URL Defanger & IOC Extractor](https://phishdestroy.io/developer-tools/url-defanger): Defang or refang URLs, IPs and emails (hxxps, [.], [at]) and extract IOCs from raw text. (Runs locally) - [security.txt Generator](https://phishdestroy.io/developer-tools/security-txt-generator): Generate an RFC 9116 security.txt with Contact, Expires, Canonical, Policy and more. (Runs locally) ## Personal security (7) - [Pwned Password Check](https://phishdestroy.io/developer-tools/pwned-password-check): Check a password against Have I Been Pwned; only 5 characters of its SHA-1 are sent. (Network: HIBP) - [Scam Triage Wizard](https://phishdestroy.io/developer-tools/scam-triage-wizard): Two questions about a suspicious link, email, SMS or QR code, then what to check and do. (Runs locally) - [Extension ID Lookup](https://phishdestroy.io/developer-tools/extension-id-lookup): Turn a Chrome, Edge or Firefox extension ID into store links and a permissions guide. (Runs locally) - [Password Generator](https://phishdestroy.io/developer-tools/password-generator): Random passwords from letters, digits and symbols via crypto.getRandomValues. (Runs locally) - [AES-GCM Encrypt / Decrypt](https://phishdestroy.io/developer-tools/aes-gcm-encryption): Encrypt and decrypt text with AES-256-GCM in your browser, keyed by a passphrase. (Runs locally) - [Passphrase Generator (BIP39 Words)](https://phishdestroy.io/developer-tools/passphrase-generator): Memorable passphrases of 4 to 8 random words from the BIP39 English list. (Runs locally) - [TOTP Code Generator](https://phishdestroy.io/developer-tools/totp-hotp-generator): Live six-digit TOTP codes for a Base32 secret (RFC 6238), or a new random secret. (Runs locally) ## General dev (83) - [llms.txt Generator](https://phishdestroy.io/developer-tools/llms-txt-generator): Generate an llms.txt Markdown file (llmstxt.org proposal) from your site name, summary and key page links. (Runs locally) - [robots.txt Generator](https://phishdestroy.io/developer-tools/robots-txt-generator): Build robots.txt with your rules, a Sitemap line and Disallow groups for GPTBot, ClaudeBot, CCBot and 11 more bots. (Runs locally) - [Text Hash Generator](https://phishdestroy.io/developer-tools/hash-generator): SHA-1, SHA-256, SHA-384 and SHA-512 digests of text (UTF-8) with the Web Crypto API. (Runs locally) - [Base64 Encoder / Decoder](https://phishdestroy.io/developer-tools/base64-encoder-decoder): Encode text to standard or URL-safe Base64, or decode Base64 back to UTF-8 text. (Runs locally) - [JWT Decoder](https://phishdestroy.io/developer-tools/jwt-decoder): Decode a JWT's header and payload and show its algorithm and exp time; the signature is not verified. (Runs locally) - [HMAC Generator](https://phishdestroy.io/developer-tools/hmac-generator): HMAC-SHA-256 or HMAC-SHA-512 of a message with your secret key, as hex or Base64. (Runs locally) - [UUID v4 Generator](https://phishdestroy.io/developer-tools/uuid-generator): Bulk random UUID v4 (RFC 9562) in standard, no-hyphen, uppercase or urn:uuid: format. (Runs locally) - [API Key & Token Generator](https://phishdestroy.io/developer-tools/api-token-generator): Random API keys and tokens, 8-256 characters, hex, alphanumeric or symbol alphabets, optional prefix. (Runs locally) - [HTML Escape / Unescape](https://phishdestroy.io/developer-tools/html-entity-encoder): Escape & < > " ' as HTML entities, or turn & < > " ' back into characters. (Runs locally) - [JSON & JavaScript String Escaper](https://phishdestroy.io/developer-tools/string-escaper): Escape text for JSON (JSON.stringify) or JavaScript string literals, or unescape a JSON string. (Runs locally) - [Basic Auth Header Generator / Decoder](https://phishdestroy.io/developer-tools/basic-auth-header): Encode username:password as an Authorization: Basic header, or decode a Basic value back to the credentials. (Runs locally) - [Open Graph Meta Tag Generator](https://phishdestroy.io/developer-tools/open-graph-meta-generator): Generate og: and twitter: meta tags (title, description, URL, image, site name, card type) for link previews. (Runs locally) - [HTTP Status Codes Reference](https://phishdestroy.io/developer-tools/http-status-codes): Searchable list of 34 common HTTP status codes and their names, colour-coded by class (1xx-5xx). (Runs locally) - [User-Agent Parser](https://phishdestroy.io/developer-tools/user-agent-parser): Detect browser and version, OS and mobile or desktop type from a User-Agent string with simple pattern rules. (Runs locally) - [CORS Headers Generator](https://phishdestroy.io/developer-tools/cors-headers-generator): Build Access-Control-Allow-Origin, Methods, Headers, Max-Age and Credentials response headers. (Runs locally) - [CSP Header Builder](https://phishdestroy.io/developer-tools/csp-header-builder): Build a Content-Security-Policy header from 13 directives such as script-src, form-action and frame-ancestors. (Runs locally) - [Cookie & Set-Cookie Parser](https://phishdestroy.io/developer-tools/cookie-parser): Split Cookie and Set-Cookie strings into a table of names, values and attributes like Secure, HttpOnly and SameSite. (Runs locally) - [Query String Builder](https://phishdestroy.io/developer-tools/query-string-builder): Build a URL from a base address and key/value rows, each percent-encoded (Runs locally) - [MIME Types Reference](https://phishdestroy.io/developer-tools/mime-types-reference): Search 40 common file extensions and their MIME (Content-Type) values (Runs locally) - [HTTP Headers Reference](https://phishdestroy.io/developer-tools/http-headers-reference): Search 26 common HTTP request and response headers with a one-line purpose each (Runs locally) - [Case Converter](https://phishdestroy.io/developer-tools/case-converter): Convert text between camelCase, PascalCase, snake_case, kebab-case and four more styles (Runs locally) - [Sort & Deduplicate Lines](https://phishdestroy.io/developer-tools/sort-deduplicate-lines): Remove duplicate lines or sort a list A→Z, Z→A, numerically or at random (Runs locally) - [Find & Replace](https://phishdestroy.io/developer-tools/find-and-replace): Find and replace in pasted text, as plain text or with a JavaScript regex (Runs locally) - [Trim / Clean Lines](https://phishdestroy.io/developer-tools/trim-lines): Strip leading and trailing whitespace from each line and remove blank lines (Runs locally) - [Slug Generator](https://phishdestroy.io/developer-tools/slug-generator): Turn a title into a lowercase URL slug with hyphens or underscores (Runs locally) - [Text Diff Viewer](https://phishdestroy.io/developer-tools/text-diff): Compare two texts line by line and mark changed lines with - and + (Runs locally) - [Markdown Preview](https://phishdestroy.io/developer-tools/markdown-preview): Render basic Markdown (headings, emphasis, code, lists, links) as HTML (Runs locally) - [Number Base Converter](https://phishdestroy.io/developer-tools/number-base-converter): Convert an integer between decimal, binary, octal and hexadecimal (Runs locally) - [Unix Timestamp Converter](https://phishdestroy.io/developer-tools/unix-timestamp-converter): Convert Unix timestamps to UTC and local dates, and dates back to timestamps (Runs locally) - [Byte Size Converter](https://phishdestroy.io/developer-tools/byte-size-converter): Convert a size between bytes, KB–TB (1000-based) and KiB–TiB (1024-based) (Runs locally) - [Binary ↔ Text Converter](https://phishdestroy.io/developer-tools/binary-text-converter): Convert text to 8-bit binary groups and space-separated binary back to text (Runs locally) - [ROT13 / Caesar Cipher](https://phishdestroy.io/developer-tools/rot13-caesar-cipher): Apply ROT13 or any Caesar shift to text; the output updates as you type (Runs locally) - [JSON Formatter](https://phishdestroy.io/developer-tools/json-formatter): Pretty-print, sort or minify JSON and see where invalid JSON breaks (Runs locally) - [JSON Minifier](https://phishdestroy.io/developer-tools/json-minifier): Remove all whitespace from valid JSON and show the size saved (Runs locally) - [JSON ↔ YAML Converter](https://phishdestroy.io/developer-tools/json-yaml-converter): Convert JSON to YAML, and flat key: value YAML back to JSON (Runs locally) - [CSV to JSON Converter](https://phishdestroy.io/developer-tools/csv-to-json): Turn CSV with a header row into a JSON array of objects (Runs locally) - [JSON to CSV Converter](https://phishdestroy.io/developer-tools/json-to-csv): Convert a JSON array of flat objects to CSV with headers from all keys (Runs locally) - [JSON Key Sorter](https://phishdestroy.io/developer-tools/json-key-sorter): Sort the keys of every JSON object alphabetically, at every depth (Runs locally) - [JSONPath Evaluator (Dot Notation)](https://phishdestroy.io/developer-tools/jsonpath-evaluator): Read one value from JSON with a dot path such as $.events.0.eventDate (Runs locally) - [JSON Diff](https://phishdestroy.io/developer-tools/json-diff): List the paths added, removed or changed between two JSON documents (Runs locally) - [CIDR / Subnet Calculator](https://phishdestroy.io/developer-tools/cidr-subnet-calculator): Calculate network, broadcast, mask and host range of an IPv4 CIDR block (Runs locally) - [IPv6 Expander & Compressor](https://phishdestroy.io/developer-tools/ipv6-compressor): Expand IPv6 addresses to eight full groups or shorten zero runs with :: (Runs locally) - [Common Ports Reference](https://phishdestroy.io/developer-tools/common-ports-reference): Search 40 well-known TCP/UDP port numbers and their services (Runs locally) - [MAC OUI Lookup](https://phishdestroy.io/developer-tools/mac-oui-lookup): Look up the vendor of a MAC address prefix in a built-in list of 40 OUIs (Runs locally) - [ASN Ranges Reference](https://phishdestroy.io/developer-tools/asn-reference): Reference table of public, private, documentation and reserved ASN ranges (Runs locally) - [Regex Tester](https://phishdestroy.io/developer-tools/regex-tester): Test a JavaScript regular expression and list every match and capture group (Runs locally) - [Cron Expression Tester](https://phishdestroy.io/developer-tools/cron-expression-parser): List the next five run times of a five-field cron expression (Runs locally) - [.gitignore Templates](https://phishdestroy.io/developer-tools/gitignore-templates): Combine short .gitignore starter lists for eight languages and editor/OS files (Runs locally) - [JWT Generator (HS256)](https://phishdestroy.io/developer-tools/jwt-generator): Sign a JSON payload as an HS256 JWT with a secret, in the browser (Runs locally) - [.env Checker & Sorter](https://phishdestroy.io/developer-tools/env-file-formatter): Count .env variables, flag duplicates and empty values, sort entries A→Z (Runs locally) - [HTTP Request Builder](https://phishdestroy.io/developer-tools/http-request-builder): Build a request from method, URL, headers and body, then copy it as a curl command or fetch() snippet. (Runs locally) - [SQL Formatter](https://phishdestroy.io/developer-tools/sql-formatter): Put SQL clause keywords on new lines, upper-case them and split column lists, or minify a query to one line. (Runs locally) - [Color Contrast Checker](https://phishdestroy.io/developer-tools/color-contrast-checker): WCAG 2 contrast ratio of two hex colors with AA (4.5:1) and AAA (7:1) pass or fail and a live preview. (Runs locally) - [Sitemap XML Generator](https://phishdestroy.io/developer-tools/sitemap-xml-generator): Paste URLs one per line and get a sitemap.xml with lastmod, changefreq and priority for each entry. (Runs locally) - [Meta Robots Tag Builder](https://phishdestroy.io/developer-tools/meta-robots-builder): Tick index, noindex, nofollow, noarchive, nosnippet and other directives to build a meta robots tag. (Runs locally) - [Canonical Tag Builder](https://phishdestroy.io/developer-tools/canonical-tag-builder): Type the preferred URL of a page and copy the matching rel=canonical link tag for its head section. (Runs locally) - [Open Source License Picker](https://phishdestroy.io/developer-tools/open-source-license-picker): One-line summaries of MIT, Apache-2.0, GPL-3.0, ISC and Unlicense, with an abridged starter text for each. (Runs locally) - [README Template Generator](https://phishdestroy.io/developer-tools/readme-template-generator): Markdown README skeleton for an npm package with install, usage, API, contributing and license sections. (Runs locally) - [Cron Schedule Builder](https://phishdestroy.io/developer-tools/cron-schedule-builder): Build a five-field cron expression from minute, hour, day, month and weekday fields or quick presets. (Runs locally) - [Webhook Payload Builder](https://phishdestroy.io/developer-tools/webhook-payload-builder): Sample JSON bodies for a GitHub push, a Stripe payment event or a generic event to test webhook receivers. (Runs locally) - [API Key Format Tester](https://phishdestroy.io/developer-tools/api-key-format-tester): Length, prefix, charset and pattern match for API keys: Stripe, OpenAI, GitHub, AWS, Slack, hex, UUID, Base64. (Runs locally) - [Bulk UUID v4 Generator](https://phishdestroy.io/developer-tools/bulk-uuid-generator): Up to 1,000 random UUID v4 values at once: standard, no hyphens or upper case; copy or download as .txt. (Runs locally) - [Apache .htaccess Snippets](https://phishdestroy.io/developer-tools/htaccess-snippets): Nine common .htaccess blocks: HTTPS redirect, HSTS, security headers, caching, gzip, IP and hotlink blocking. (Runs locally) - [Bcrypt-Style Hash Demo (Not Bcrypt)](https://phishdestroy.io/developer-tools/bcrypt-hash-generator): Demo only: salted SHA-256 shaped like a bcrypt string. Not real bcrypt and not for storing passwords. (Runs locally) - [ULID Generator](https://phishdestroy.io/developer-tools/ulid-generator): Up to 500 ULIDs at once: 26-character, time-sortable identifiers in Crockford Base32. (Runs locally) - [RSA Key Pair Generator](https://phishdestroy.io/developer-tools/rsa-key-pair-generator): 2048- or 4096-bit RSA key pair from the Web Crypto API, exported as SPKI and PKCS#8 PEM. (Runs locally) - [Unicode Inspector](https://phishdestroy.io/developer-tools/unicode-inspector): Code point, UTF-8 bytes and HTML entity for every character, to spot lookalike letters in domains and text. (Runs locally) - [YAML to TOML Converter](https://phishdestroy.io/developer-tools/yaml-to-toml): Turn nested YAML mappings of strings, numbers and booleans into TOML tables (lists are not supported). (Runs locally) - [JSON to TOML Converter](https://phishdestroy.io/developer-tools/json-to-toml): JSON to TOML: objects become [tables], arrays of objects [[array tables]], and scalar arrays stay inline. (Runs locally) - [List Converter](https://phishdestroy.io/developer-tools/list-converter): Sort, deduplicate, reverse, shuffle, trim, number or join a list, with a prefix and suffix on every line. (Runs locally) - [TOML to JSON Converter](https://phishdestroy.io/developer-tools/toml-to-json): Convert TOML tables, arrays of tables and simple key = value pairs into formatted JSON. (Runs locally) - [TOML to YAML Converter](https://phishdestroy.io/developer-tools/toml-to-yaml): Convert TOML tables, arrays of tables and key = value pairs into indented block YAML. (Runs locally) - [JavaScript Keycode Info](https://phishdestroy.io/developer-tools/keycode-info): Press a key to see event.key, event.code, keyCode, which, location, repeat and Ctrl, Shift, Alt and Meta. (Runs locally) - [Git Cheat Sheet](https://phishdestroy.io/developer-tools/git-cheat-sheet): 38 everyday Git commands with one-line explanations, filtered as you type. (Runs locally) - [Random Port Generator](https://phishdestroy.io/developer-tools/random-port-generator): Up to 20 distinct random port numbers in a chosen range, with ports 0–1023 excluded by default. (Runs locally) - [Chmod Calculator](https://phishdestroy.io/developer-tools/chmod-calculator): Tick read, write and execute for owner, group and others, or type 755, to get rwx notation and the chmod command. (Runs locally) - [Docker Run to Compose Converter](https://phishdestroy.io/developer-tools/docker-run-to-compose): Convert a docker run command into a Compose service: image, name, ports, volumes, env, restart and network. (Runs locally) - [XML Formatter](https://phishdestroy.io/developer-tools/xml-formatter): Indent or minify XML and catch well-formedness errors with the browser's XML parser. (Runs locally) - [YAML Formatter](https://phishdestroy.io/developer-tools/yaml-formatter): Re-indent YAML to a consistent 2- or 4-space step and tidy the spacing after colons. (Runs locally) - [IPv4 Range Expander](https://phishdestroy.io/developer-tools/ipv4-range-expander): Expand a CIDR block or a start–end range into a list of IPv4 addresses (up to 1,024) to copy or download. (Runs locally) - [MAC Address Generator](https://phishdestroy.io/developer-tools/mac-address-generator): Up to 100 random MAC addresses with an optional OUI prefix, colon, dash or no separator, upper or lower case. (Runs locally) - [IPv6 ULA Generator](https://phishdestroy.io/developer-tools/ipv6-ula-generator): Random RFC 4193 unique local /48 prefix, the /64 for your subnet ID and an example host address. (Runs locally) - [String Obfuscator for Filter Testing](https://phishdestroy.io/developer-tools/string-obfuscator): Make homoglyph, zero-width and \uXXXX versions of a test string to check filters and phishing detectors. (Runs locally) ## Misc (32) - [Text Statistics](https://phishdestroy.io/developer-tools/text-statistics): Count characters, words, lines and sentences, with reading time and unique words, as you type (Runs locally) - [Lorem Ipsum Generator](https://phishdestroy.io/developer-tools/lorem-ipsum-generator): Placeholder Latin text as 1–50 paragraphs, sentences or words, ready to copy (Runs locally) - [Word Frequency Counter](https://phishdestroy.io/developer-tools/word-frequency-counter): Rank the words in a text by frequency, with a top-N limit and a minimum word length (Runs locally) - [Smart Quotes Remover](https://phishdestroy.io/developer-tools/smart-quotes-remover): Turn curly quotes, dashes and ellipses into plain ASCII, or straight quotes into curly ones (Runs locally) - [Date Calculator](https://phishdestroy.io/developer-tools/date-calculator): Days, weeks and months between two dates, plus adding or subtracting days from a date (Runs locally) - [Color Converter](https://phishdestroy.io/developer-tools/color-converter): Convert colors between HEX, RGB and HSL with a live swatch and a color picker (Runs locally) - [Roman Numeral Converter](https://phishdestroy.io/developer-tools/roman-numeral-converter): Convert numbers 1–3999 to Roman numerals and Roman numerals back to numbers (Runs locally) - [Morse Code Translator](https://phishdestroy.io/developer-tools/morse-code-translator): Encode letters and digits as Morse code and decode dots and dashes back to text (Runs locally) - [Duration Converter](https://phishdestroy.io/developer-tools/duration-converter): Convert a time span between milliseconds, seconds, minutes, hours and days (Runs locally) - [CSS Gradient Builder](https://phishdestroy.io/developer-tools/css-gradient-builder): Two-color linear or radial CSS gradients with a live preview and copyable code (Runs locally) - [CSS Box-Shadow Builder](https://phishdestroy.io/developer-tools/box-shadow-builder): Build a CSS box-shadow with offsets, blur, spread, color, opacity and inset (Runs locally) - [CSS Border Radius Builder](https://phishdestroy.io/developer-tools/border-radius-builder): Set each corner's radius in pixels and copy the four-value CSS border-radius (Runs locally) - [Color Palette Generator](https://phishdestroy.io/developer-tools/color-palette-generator): 11 shades of one hue from a hex color, as a swatch strip and CSS custom properties (Runs locally) - [Emoji Favicon Generator](https://phishdestroy.io/developer-tools/emoji-favicon-generator): Make a favicon from an emoji as an inline SVG data URL in a ready-to-paste link tag (Runs locally) - [Shields.io Badge Generator](https://phishdestroy.io/developer-tools/badge-generator): Build shields.io status badges with a local preview and copy the Markdown or HTML snippet. (Runs locally) - [Lorem Ipsum HTML Generator](https://phishdestroy.io/developer-tools/lorem-html-generator): Placeholder HTML blocks with Lorem Ipsum: headings, paragraphs, lists or tables (Runs locally) - [NATO Phonetic Alphabet Converter](https://phishdestroy.io/developer-tools/nato-phonetic-alphabet): Spell text letter by letter with NATO code words, from Alpha to Zulu, digits included (Runs locally) - [HTML WYSIWYG Editor](https://phishdestroy.io/developer-tools/html-wysiwyg-editor): Visual rich-text editor with a formatting toolbar and the generated HTML shown live (Runs locally) - [QR Code Generator](https://phishdestroy.io/developer-tools/qr-code-generator): Generate QR codes from text or URLs in your browser and download them as PNG or SVG. (Runs locally) - [Wi-Fi QR Code Generator](https://phishdestroy.io/developer-tools/wifi-qr-code-generator): Create a QR code that joins guests to your Wi-Fi network; the password never leaves the browser. (Runs locally) - [SVG Placeholder Generator](https://phishdestroy.io/developer-tools/svg-placeholder-generator): Placeholder images as SVG code or a data URI, with custom size, colors and label (Runs locally) - [Camera Recorder](https://phishdestroy.io/developer-tools/camera-recorder): Record webcam video with sound in the browser and download it; nothing is uploaded (Runs locally) - [Math Expression Evaluator](https://phishdestroy.io/developer-tools/math-expression-evaluator): Evaluate arithmetic with parentheses, powers, Math functions and PI or E, without eval (Runs locally) - [Progress ETA Calculator](https://phishdestroy.io/developer-tools/eta-calculator): Estimate time remaining and finish time from items done, total items and elapsed time (Runs locally) - [Percentage Calculator](https://phishdestroy.io/developer-tools/percentage-calculator): Three calculators in one: X% of Y, X as a percentage of Y, and percentage change (Runs locally) - [Stopwatch & Countdown Timer](https://phishdestroy.io/developer-tools/stopwatch-timer): Stopwatch with laps and splits plus a simple countdown timer (Runs locally) - [Temperature Converter](https://phishdestroy.io/developer-tools/temperature-converter): Convert a temperature between Celsius, Fahrenheit, Kelvin and Rankine as you type (Runs locally) - [Emoji Picker](https://phishdestroy.io/developer-tools/emoji-picker): Copy one of 69 common emoji with one click and filter them by name (Runs locally) - [Numeronym Generator](https://phishdestroy.io/developer-tools/numeronym-generator): Abbreviate words as numeronyms like i18n, l10n and a11y, several at a time (Runs locally) - [ASCII Art Text Generator](https://phishdestroy.io/developer-tools/ascii-art-generator): Turn up to 20 letters and digits into a five-line block-letter banner made of # (Runs locally) - [Phone Number Parser & Formatter](https://phishdestroy.io/developer-tools/phone-number-parser): Turn a +country-code phone number into E.164, with a length check for 10 common countries (Runs locally) - [IBAN Validator & Parser](https://phishdestroy.io/developer-tools/iban-validator): Check an IBAN's mod-97 checksum and length, and split it into country, check digits and BBAN (Runs locally) ## Key facts In short: PhishDestroy's developer tools page is a free in-browser toolkit for phishing analysts and developers: unwrap rewritten links, check lookalike domains and hidden characters, analyze suspicious emails and attachments, decode wallet signature requests, build abuse reports and IOC feeds, plus general encoders, formatters and network calculators. Most tools run entirely in the browser. - Tools listed: 161 (source: PhishDestroy catalog (entries listed on /developer-tools); as of 2026-10-21) - Categories: Phishing URL & domain, Email, Files & pages, Crypto & wallets, Reporting & IOC, Personal security, General dev, Misc (source: catalogue, https://phishdestroy.io/developer-tools; as of 2026-10-21) - Where tools run: In your browser; tools marked Network call DNS over HTTPS, RDAP, Have I Been Pwned, the Destroy API or the PhishDestroy phishing-wallet database (source: each tool page's badge and network note; as of 2026-10-21) - Passing results on: “Send to…” hands a result to the next tool in the same browser tab (sessionStorage) (source: tool pages; as of 2026-10-21) - Cost to use: Free, no account (source: https://phishdestroy.io/developer-tools; as of 2026-10-21)