# Outils de développement Canonical page: https://phishdestroy.io/fr/developer-tools Plus de 130 outils de développement gratuits accessibles depuis le navigateur : générateurs de hachages, Base64, décodeur JWT, HMAC, analyseur d'URL, calculateur CIDR, UUID. 100 % côté client, sans inscription ni suivi. ## Browser utilities 133 tools. Each link opens the named tool. JavaScript is required to run it. Share links contain the tool identifier only, not input data or results. ### BIP39 Seed Phrase Tester https://phishdestroy.io/fr/developer-tools#tool-bip39 Generate/validate 12 or 24-word BIP39 seed phrases for testing phishing forms ### URL Defanger & IOC Extractor https://phishdestroy.io/fr/developer-tools#tool-url-defang Defang or refang suspicious URLs, IPs, and emails to prevent accidental clicks. Extract and sanitize IOCs from raw text. ### DNS over HTTPS (DoH) Client https://phishdestroy.io/fr/developer-tools#tool-doh-client Perform secure DNS lookups (A, AAAA, MX, TXT, CNAME, NS, CAA) directly from your browser using Cloudflare or Google DNS over HTTPS. ### security.txt Generator https://phishdestroy.io/fr/developer-tools#tool-security-txt Build a valid RFC 9116 security.txt for /.well-known/security.txt ### llm.txt Generator https://phishdestroy.io/fr/developer-tools#tool-llm-txt Generate AI-readable llms.txt following llmstxt.org spec ### robots.txt Generator https://phishdestroy.io/fr/developer-tools#tool-robots-txt Build robots.txt with AI bot blocking (GPTBot, ClaudeBot, CCBot…) ### SafeLink Decoder https://phishdestroy.io/fr/developer-tools#tool-safelink Decode Microsoft Defender SafeLinks and ProofPoint URLDefense URLs ### Hash Text https://phishdestroy.io/fr/developer-tools#tool-hash Hash text with SHA-1, SHA-256, SHA-384, SHA-512 via SubtleCrypto ### Base64 Encode / Decode https://phishdestroy.io/fr/developer-tools#tool-base64 Encode & decode Base64 strings — standard, URL-safe, binary ### JWT Decoder https://phishdestroy.io/fr/developer-tools#tool-jwt Parse & inspect JSON Web Tokens client-side — header, payload, expiry ### HMAC Generator https://phishdestroy.io/fr/developer-tools#tool-hmac Generate HMAC-SHA256/SHA512 signatures for API authentication ### Password Generator https://phishdestroy.io/fr/developer-tools#tool-password Generate strong random passwords + analyze strength score ### UUID Generator https://phishdestroy.io/fr/developer-tools#tool-uuid Generate cryptographically random UUID v4 in bulk ### Token / API Key Generator https://phishdestroy.io/fr/developer-tools#tool-token Generate random tokens and API keys with custom charset and prefix ### AES-GCM Encrypt / Decrypt https://phishdestroy.io/fr/developer-tools#tool-aes Encrypt and decrypt text with AES-256-GCM using SubtleCrypto ### HTML Escape / Unescape https://phishdestroy.io/fr/developer-tools#tool-html-esc Escape HTML entities to prevent XSS; decode entities back to text ### String Escape https://phishdestroy.io/fr/developer-tools#tool-str-esc Escape/unescape strings for JSON, JavaScript, or SQL contexts ### URL Encode / Decode https://phishdestroy.io/fr/developer-tools#tool-url-encode Percent-encode or decode URL strings with encodeURIComponent ### URL Parser https://phishdestroy.io/fr/developer-tools#tool-url-parse Break any URL into protocol, host, pathname, query params, fragment ### Basic Auth Header https://phishdestroy.io/fr/developer-tools#tool-basic-auth Generate or decode Base64 HTTP Basic Auth Authorization headers ### OG Meta Generator https://phishdestroy.io/fr/developer-tools#tool-og-meta Generate Open Graph + Twitter Card meta tags for any page ### HTTP Status Codes https://phishdestroy.io/fr/developer-tools#tool-http-status Complete searchable reference for all HTTP status codes 1xx–5xx ### User-Agent Parser https://phishdestroy.io/fr/developer-tools#tool-ua-parse Detect browser, OS, engine and device type from any UA string ### CORS Headers Generator https://phishdestroy.io/fr/developer-tools#tool-cors Build correct Access-Control-Allow-* response headers ### CSP Header Builder https://phishdestroy.io/fr/developer-tools#tool-csp-builder Build Content-Security-Policy headers with directive toggles ### Cookie Parser https://phishdestroy.io/fr/developer-tools#tool-cookie-parse Parse Set-Cookie headers and cookie strings into readable fields ### Query String Builder https://phishdestroy.io/fr/developer-tools#tool-query-builder Add, edit and encode query parameters and build the full URL ### MIME Types Reference https://phishdestroy.io/fr/developer-tools#tool-mime-types Searchable reference of common MIME types and file extensions ### HTTP Headers Reference https://phishdestroy.io/fr/developer-tools#tool-http-headers-ref Searchable reference of standard HTTP request and response headers ### Case Converter https://phishdestroy.io/fr/developer-tools#tool-case-conv Transform text between camelCase, PascalCase, snake_case, kebab-case ### Text Statistics https://phishdestroy.io/fr/developer-tools#tool-text-stats Count words, characters, sentences, paragraphs and reading time ### Lorem Ipsum Generator https://phishdestroy.io/fr/developer-tools#tool-lorem Generate N paragraphs, sentences or words of Lorem Ipsum text ### Sort & Deduplicate Lines https://phishdestroy.io/fr/developer-tools#tool-sort-lines Sort lines alphabetically or numerically, remove duplicates ### Find & Replace https://phishdestroy.io/fr/developer-tools#tool-find-replace Find and replace text with plain-text or regex patterns ### Trim / Clean Lines https://phishdestroy.io/fr/developer-tools#tool-trim-lines Remove trailing whitespace, blank lines, and leading spaces ### Slug Generator https://phishdestroy.io/fr/developer-tools#tool-slug Convert any text to a clean URL slug with customizable separator ### Word Frequency Counter https://phishdestroy.io/fr/developer-tools#tool-word-freq Count word frequency and show top-N most common words ### Text Diff Viewer https://phishdestroy.io/fr/developer-tools#tool-diff-text Compare two texts and highlight additions and deletions ### Markdown Preview https://phishdestroy.io/fr/developer-tools#tool-markdown-preview Write Markdown on the left, see live HTML preview on the right ### Smart Quotes Remover https://phishdestroy.io/fr/developer-tools#tool-smart-quotes Replace curly/smart quotes and dashes with straight ASCII versions ### Number Base Converter https://phishdestroy.io/fr/developer-tools#tool-base-conv Convert numbers between decimal, binary, octal and hexadecimal ### UNIX Timestamp https://phishdestroy.io/fr/developer-tools#tool-timestamp Convert timestamps to human dates and vice versa — live clock ### Date Calculator https://phishdestroy.io/fr/developer-tools#tool-date-calc Calculate the difference between two dates in days, weeks, months ### Byte Size Converter https://phishdestroy.io/fr/developer-tools#tool-byte-size Convert bytes to KB, MB, GB, TB, KiB, MiB, GiB, TiB instantly ### Color Converter https://phishdestroy.io/fr/developer-tools#tool-color Convert colors between HEX, RGB and HSL with live color preview ### Roman Numerals https://phishdestroy.io/fr/developer-tools#tool-roman Convert between Arabic and Roman numerals (1–3999) ### Morse Code https://phishdestroy.io/fr/developer-tools#tool-morse Encode text to Morse code dots & dashes and decode back to text ### Binary ↔ Text https://phishdestroy.io/fr/developer-tools#tool-binary-text Convert text to binary (8-bit ASCII) representation and back ### ROT13 / Caesar Cipher https://phishdestroy.io/fr/developer-tools#tool-rot13 Apply ROT13 or any Caesar cipher shift (1–25) to text ### Duration Converter https://phishdestroy.io/fr/developer-tools#tool-duration Convert between seconds, minutes, hours, days and milliseconds ### JSON Formatter https://phishdestroy.io/fr/developer-tools#tool-json-fmt Pretty-print and validate JSON with error reporting and indentation ### JSON Minifier https://phishdestroy.io/fr/developer-tools#tool-json-minify Strip all whitespace from JSON for production or transport use ### JSON ↔ YAML https://phishdestroy.io/fr/developer-tools#tool-json-yaml Convert JSON to YAML and YAML to JSON bidirectionally ### CSV → JSON https://phishdestroy.io/fr/developer-tools#tool-csv-json Convert CSV data (with header row) to a JSON array of objects ### JSON → CSV https://phishdestroy.io/fr/developer-tools#tool-json-csv Flatten a JSON array of objects to CSV with auto-detected headers ### JSON Key Sorter https://phishdestroy.io/fr/developer-tools#tool-json-sort Recursively sort all keys in a JSON object alphabetically ### JSONPath Evaluator https://phishdestroy.io/fr/developer-tools#tool-jsonpath Query JSON documents with JSONPath expressions ($.store.book[*]) ### JSON Diff https://phishdestroy.io/fr/developer-tools#tool-json-diff Compare two JSON objects and highlight structural differences ### CIDR / Subnet Calculator https://phishdestroy.io/fr/developer-tools#tool-cidr Calculate subnet mask, host range, broadcast address from CIDR ### IP Address Converter https://phishdestroy.io/fr/developer-tools#tool-ip-conv Convert IPv4 between dotted-decimal, integer, hexadecimal, binary ### IPv6 Compressor https://phishdestroy.io/fr/developer-tools#tool-ipv6 Compress or expand IPv6 addresses to/from canonical short form ### Common Ports Reference https://phishdestroy.io/fr/developer-tools#tool-ports-ref Searchable reference of well-known TCP/UDP port numbers and services ### DNS Record Types https://phishdestroy.io/fr/developer-tools#tool-dns-types Reference guide for all DNS record types with descriptions ### MAC OUI Lookup https://phishdestroy.io/fr/developer-tools#tool-mac-oui Decode a MAC address OUI prefix to identify the manufacturer ### ASN Reference https://phishdestroy.io/fr/developer-tools#tool-asn-info Quick reference on Autonomous System Numbers and BGP routing basics ### WHOIS Fields Guide https://phishdestroy.io/fr/developer-tools#tool-whois-guide Explains every field in a WHOIS record — registrar, dates, nameservers ### Regex Tester https://phishdestroy.io/fr/developer-tools#tool-regex Test regular expressions with flags — see matches and groups live ### Cron Expression Parser https://phishdestroy.io/fr/developer-tools#tool-cron Parse cron expressions into plain English and show next 5 run times ### CSS Gradient Builder https://phishdestroy.io/fr/developer-tools#tool-css-gradient Build linear/radial CSS gradients with live preview and code output ### Box Shadow Builder https://phishdestroy.io/fr/developer-tools#tool-css-shadow Visually configure CSS box-shadow values with live preview ### Border Radius Builder https://phishdestroy.io/fr/developer-tools#tool-css-border Build asymmetric CSS border-radius values with live preview ### Color Palette Generator https://phishdestroy.io/fr/developer-tools#tool-color-palette Generate a full 10-shade palette from any base color as CSS vars ### .gitignore Templates https://phishdestroy.io/fr/developer-tools#tool-gitignore Generate .gitignore files for Node.js, Python, Go, Java, Rust and more ### JWT Generator (HS256) https://phishdestroy.io/fr/developer-tools#tool-jwt-gen Generate signed HS256 JWTs with custom payload and secret ### .env Formatter https://phishdestroy.io/fr/developer-tools#tool-env-format Parse and format .env files, detect duplicates and empty values ### Email Header Parser https://phishdestroy.io/fr/developer-tools#tool-email-headers Parse raw email headers and extract routing, SPF/DKIM, timestamps ### HTTP Request Builder https://phishdestroy.io/fr/developer-tools#tool-http-req-builder Build HTTP requests and export as curl command or fetch() snippet ### SQL Formatter https://phishdestroy.io/fr/developer-tools#tool-sql-fmt Pretty-print and indent SQL queries for readability ### Color Contrast Checker https://phishdestroy.io/fr/developer-tools#tool-color-contrast Check foreground/background color contrast ratio against WCAG AA/AAA ### Sitemap XML Generator https://phishdestroy.io/fr/developer-tools#tool-sitemap-gen Build a sitemap.xml skeleton from a list of URLs with priority/frequency ### Meta Robots Tag Builder https://phishdestroy.io/fr/developer-tools#tool-meta-robots Generate meta robots tags with noindex, nofollow, noarchive options ### Canonical URL Builder https://phishdestroy.io/fr/developer-tools#tool-canonical-url Generate canonical link tags to prevent duplicate content issues ### Emoji Favicon Generator https://phishdestroy.io/fr/developer-tools#tool-favicon-emoji Generate an SVG favicon from any emoji — copy the link tag ### Open Source License Picker https://phishdestroy.io/fr/developer-tools#tool-license-picker Compare popular open-source licenses and generate the LICENSE text ### README.md Template https://phishdestroy.io/fr/developer-tools#tool-readme-template Generate a structured README.md template for any project ### GitHub Badge Generator https://phishdestroy.io/fr/developer-tools#tool-github-badge Generate shields.io status badges with custom label, color, logo ### Cron Schedule Builder https://phishdestroy.io/fr/developer-tools#tool-cron-builder Click-to-build cron expressions — daily, weekly, custom intervals ### Webhook Payload Builder https://phishdestroy.io/fr/developer-tools#tool-webhook-payload Build sample webhook JSON payloads for GitHub, Stripe, generic events ### API Key Format Tester https://phishdestroy.io/fr/developer-tools#tool-api-key-fmt Validate API key format patterns — length, prefix, charset rules ### Bulk UUID Generator https://phishdestroy.io/fr/developer-tools#tool-uuid-bulk Generate up to 1000 UUID v4s at once and copy or download as text ### Lorem HTML Blocks https://phishdestroy.io/fr/developer-tools#tool-lorem-html Generate HTML placeholder blocks: headings, paragraphs, lists, tables ### .htaccess Snippets https://phishdestroy.io/fr/developer-tools#tool-htaccess Common .htaccess snippets: HTTPS redirect, HSTS, cache headers, 404 ### Bcrypt Hash https://phishdestroy.io/fr/developer-tools#tool-bcrypt Hash and verify passwords with bcrypt (pure JS implementation) ### ULID Generator https://phishdestroy.io/fr/developer-tools#tool-ulid Generate Universally Unique Lexicographically Sortable Identifiers ### RSA Key Pair Generator https://phishdestroy.io/fr/developer-tools#tool-rsa-keypair Generate RSA-OAEP 2048/4096-bit key pairs via SubtleCrypto ### PDF Signature Checker https://phishdestroy.io/fr/developer-tools#tool-pdf-sig Check if a PDF file contains digital signatures and extract signer info ### Base64 File Converter https://phishdestroy.io/fr/developer-tools#tool-base64-file Convert files to/from Base64 data URIs — drag & drop supported ### BIP39 Passphrase Generator https://phishdestroy.io/fr/developer-tools#tool-bip39-pass Generate strong memorable passphrases from the BIP39 wordlist ### OTP Code Generator https://phishdestroy.io/fr/developer-tools#tool-otp-gen Generate and validate TOTP/HOTP codes for two-factor authentication ### Text to NATO Alphabet https://phishdestroy.io/fr/developer-tools#tool-text-nato Convert text to NATO phonetic alphabet (Alpha, Bravo, Charlie…) ### Text to Unicode https://phishdestroy.io/fr/developer-tools#tool-text-unicode Show Unicode codepoints, UTF-8 bytes, and escape sequences for text ### YAML → TOML https://phishdestroy.io/fr/developer-tools#tool-yaml-toml Convert YAML configuration to TOML format ### JSON → TOML https://phishdestroy.io/fr/developer-tools#tool-json-toml Convert JSON to TOML configuration format ### List Converter https://phishdestroy.io/fr/developer-tools#tool-list-conv Sort, deduplicate, reverse, prefix/suffix, and join lists ### TOML → JSON https://phishdestroy.io/fr/developer-tools#tool-toml-json Convert TOML configuration to JSON format ### TOML → YAML https://phishdestroy.io/fr/developer-tools#tool-toml-yaml Convert TOML configuration to YAML format ### Keycode Info https://phishdestroy.io/fr/developer-tools#tool-keycode-info Press any key to see its keyCode, key, code, which and location values ### HTML WYSIWYG Editor https://phishdestroy.io/fr/developer-tools#tool-html-wysiwyg Visual HTML editor with formatting toolbar — see HTML output live ### QR Code Generator https://phishdestroy.io/fr/developer-tools#tool-qr-gen Generate QR codes from any text or URL — download as PNG ### WiFi QR Code https://phishdestroy.io/fr/developer-tools#tool-wifi-qr Generate a QR code to share WiFi credentials — scan to connect ### SVG Placeholder Generator https://phishdestroy.io/fr/developer-tools#tool-svg-placeholder Generate lightweight SVG placeholder images with custom size and color ### Camera Recorder https://phishdestroy.io/fr/developer-tools#tool-camera-rec Record video from your webcam directly in the browser — no upload ### Git Cheat Sheet https://phishdestroy.io/fr/developer-tools#tool-git-cheat Searchable Git commands reference — init, branch, merge, rebase, stash… ### Random Port Generator https://phishdestroy.io/fr/developer-tools#tool-random-port Generate random available port numbers in configurable ranges ### Chmod Calculator https://phishdestroy.io/fr/developer-tools#tool-chmod-calc Visual chmod permission calculator — toggle read/write/execute per role ### Docker Run → Compose https://phishdestroy.io/fr/developer-tools#tool-docker-compose Convert docker run commands to docker-compose.yml format ### XML Formatter https://phishdestroy.io/fr/developer-tools#tool-xml-fmt Pretty-print and validate XML documents with proper indentation ### YAML Formatter https://phishdestroy.io/fr/developer-tools#tool-yaml-fmt Format and validate YAML documents with proper indentation ### IPv4 Range Expander https://phishdestroy.io/fr/developer-tools#tool-ipv4-range Expand an IPv4 range (start-end or CIDR) to a full list of addresses ### MAC Address Generator https://phishdestroy.io/fr/developer-tools#tool-mac-gen Generate random MAC addresses with configurable OUI prefix and format ### IPv6 ULA Generator https://phishdestroy.io/fr/developer-tools#tool-ipv6-ula Generate RFC 4193 Unique Local IPv6 addresses (fd00::/8) ### Math Evaluator https://phishdestroy.io/fr/developer-tools#tool-math-eval Evaluate math expressions with variables, functions, and constants ### ETA Calculator https://phishdestroy.io/fr/developer-tools#tool-eta-calc Calculate estimated time of arrival based on progress and elapsed time ### Percentage Calculator https://phishdestroy.io/fr/developer-tools#tool-percent-calc Calculate percentages: X% of Y, X is what % of Y, % change ### Chronometer https://phishdestroy.io/fr/developer-tools#tool-chronometer Stopwatch with lap times and countdown timer ### Temperature Converter https://phishdestroy.io/fr/developer-tools#tool-temp-conv Convert between Celsius, Fahrenheit, Kelvin, and Rankine ### Benchmark Builder https://phishdestroy.io/fr/developer-tools#tool-benchmark Measure JavaScript code execution time with multiple iterations ### Emoji Picker https://phishdestroy.io/fr/developer-tools#tool-emoji-picker Search and copy emojis with their Unicode names and codepoints ### String Obfuscator https://phishdestroy.io/fr/developer-tools#tool-str-obfuscate Obfuscate strings with homoglyphs, zero-width chars, or char codes ### Numeronym Generator https://phishdestroy.io/fr/developer-tools#tool-numeronym Generate numeronyms like i18n, l10n, a11y from any word ### ASCII Art Text https://phishdestroy.io/fr/developer-tools#tool-ascii-art Convert text to ASCII art banners with multiple font styles ### Phone Parser & Formatter https://phishdestroy.io/fr/developer-tools#tool-phone-parser Parse and format phone numbers to E.164, national, and international formats ### IBAN Validator & Parser https://phishdestroy.io/fr/developer-tools#tool-iban-validator Validate IBAN numbers and extract country, bank code, and check digits ## Scope This is a tool catalogue, not an investigation or a list of threat indicators. Descriptions and links are generated from the same catalogue used by the public page. Source: https://phishdestroy.io/fr/developer-tools