Outils de développement

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Generate/validate 12 or 24-word BIP39 seed phrases for testing phishing forms
BIP39WalletSeedPhishing
Open
Defang or refang suspicious URLs, IPs, and emails to prevent accidental clicks. Extract and sanitize IOCs from raw text.
DefangRefangIOCPhishingParserExtract
Open
Perform secure DNS lookups (A, AAAA, MX, TXT, CNAME, NS, CAA) directly from your browser using Cloudflare or Google DNS over HTTPS.
DNSDoHCloudflareGoogleDigTXTMXA
Open
Build a valid RFC 9116 security.txt for /.well-known/security.txt
RFC9116SecurityWell-known
Open
Generate AI-readable llms.txt following llmstxt.org spec
AILLMllmstxt
Open
Build robots.txt with AI bot blocking (GPTBot, ClaudeBot, CCBot…)
SEORobotsAI BotsCrawl
Open
Hash text with SHA-1, SHA-256, SHA-384, SHA-512 via SubtleCrypto
SHASHA-256SHA-512SubtleCrypto
Open
Encode & decode Base64 strings — standard, URL-safe, binary
Base64EncodeDecode
Open
Parse & inspect JSON Web Tokens client-side — header, payload, expiry
JWTTokenAuthClaims
Open
Generate HMAC-SHA256/SHA512 signatures for API authentication
HMACHMAC-SHA256Signature
Open
Generate strong random passwords + analyze strength score
PasswordRandomStrength
Open
Generate cryptographically random UUID v4 in bulk
UUIDv4RandomGUID
Open
Generate random tokens and API keys with custom charset and prefix
TokenAPI KeySecretRandom
Open
Encrypt and decrypt text with AES-256-GCM using SubtleCrypto
AESGCMEncryptDecrypt
Open
Escape HTML entities to prevent XSS; decode entities back to text
HTMLEscapeXSSEncode
Open
Escape/unescape strings for JSON, JavaScript, or SQL contexts
JSONJSEscapeString
Open
Percent-encode or decode URL strings with encodeURIComponent
URLEncodeDecodePercent
Open
Break any URL into protocol, host, pathname, query params, fragment
URLParserDomainQueryParams
Open
Generate or decode Base64 HTTP Basic Auth Authorization headers
AuthHTTPHeaderBase64
Open
Generate Open Graph + Twitter Card meta tags for any page
SEOOpenGraphTwitter CardMeta
Open
Complete searchable reference for all HTTP status codes 1xx–5xx
HTTPStatusReferenceCodes
Open
Detect browser, OS, engine and device type from any UA string
User-AgentBrowserOSDevice
Open
Build correct Access-Control-Allow-* response headers
CORSHeadersAccess-Control
Open
Build Content-Security-Policy headers with directive toggles
CSPSecurityHeadersPolicy
Open
Add, edit and encode query parameters and build the full URL
URLQueryParamsBuilder
Open
Searchable reference of common MIME types and file extensions
MIMEContent-TypeFileReference
Open
Searchable reference of standard HTTP request and response headers
HTTPHeadersReferenceRequest
Open
Transform text between camelCase, PascalCase, snake_case, kebab-case
camelCasesnake_casePascalCasekebab-case
Open
Count words, characters, sentences, paragraphs and reading time
WordsCharactersReading timeLines
Open
Generate N paragraphs, sentences or words of Lorem Ipsum text
LoremPlaceholderTextParagraphs
Open
Sort lines alphabetically or numerically, remove duplicates
SortDeduplicateLinesFilter
Open
Find and replace text with plain-text or regex patterns
FindReplaceRegexText
Open
Remove trailing whitespace, blank lines, and leading spaces
TrimWhitespaceEmpty LinesClean
Open
Convert any text to a clean URL slug with customizable separator
SlugURLSEOHyphen
Open
Count word frequency and show top-N most common words
WordsFrequencyCountAnalysis
Open
Compare two texts and highlight additions and deletions
DiffCompareTextChanges
Open
Write Markdown on the left, see live HTML preview on the right
MarkdownPreviewHTMLRender
Open
Replace curly/smart quotes and dashes with straight ASCII versions
QuotesUnicodeCurlyApostrophe
Open
Convert numbers between decimal, binary, octal and hexadecimal
BinaryHexDecimalOctalBase
Open
Convert timestamps to human dates and vice versa — live clock
UNIXTimestampDateEpochUTC
Open
Calculate the difference between two dates in days, weeks, months
DateDaysDurationCalculator
Open
Convert bytes to KB, MB, GB, TB, KiB, MiB, GiB, TiB instantly
BytesKBMBGBTB
Open
Convert colors between HEX, RGB and HSL with live color preview
ColorHEXRGBHSLCSS
Open
Convert between Arabic and Roman numerals (1–3999)
RomanNumeralsConvertNumber
Open
Encode text to Morse code dots & dashes and decode back to text
MorseCodeEncodeDecode
Open
Convert text to binary (8-bit ASCII) representation and back
BinaryTextASCIIEncode
Open
Apply ROT13 or any Caesar cipher shift (1–25) to text
ROT13CaesarCipherEncode
Open
Convert between seconds, minutes, hours, days and milliseconds
DurationSecondsMinutesHoursTime
Open
Pretty-print and validate JSON with error reporting and indentation
JSONFormatValidatePretty-print
Open
Strip all whitespace from JSON for production or transport use
JSONMinifyCompressWhitespace
Open
Convert JSON to YAML and YAML to JSON bidirectionally
JSONYAMLConvertTransform
Open
Convert CSV data (with header row) to a JSON array of objects
CSVJSONConvertArray
Open
Flatten a JSON array of objects to CSV with auto-detected headers
JSONCSVExportConvert
Open
Recursively sort all keys in a JSON object alphabetically
JSONSortKeysNormalize
Open
Query JSON documents with JSONPath expressions ($.store.book[*])
JSONPathQueryExtractJSON
Open
Compare two JSON objects and highlight structural differences
JSONDiffCompareDelta
Open
Calculate subnet mask, host range, broadcast address from CIDR
CIDRSubnetIPv4MaskNetwork
Open
Convert IPv4 between dotted-decimal, integer, hexadecimal, binary
IPIPv4HexBinaryDecimal
Open
Compress or expand IPv6 addresses to/from canonical short form
IPv6CompressExpandNormalize
Open
Searchable reference of well-known TCP/UDP port numbers and services
PortsTCPUDPReferenceIANA
Open
Reference guide for all DNS record types with descriptions
DNSAMXCNAMETXTReference
Open
Decode a MAC address OUI prefix to identify the manufacturer
MACOUIVendorEthernet
Open
Quick reference on Autonomous System Numbers and BGP routing basics
ASNBGPRoutingIANA
Open
Explains every field in a WHOIS record — registrar, dates, nameservers
WHOISDomainRegistrarFields
Open
Test regular expressions with flags — see matches and groups live
RegexRegExpTestMatchFlags
Open
Parse cron expressions into plain English and show next 5 run times
CronScheduleNext runsParser
Open
Build linear/radial CSS gradients with live preview and code output
CSSGradientLinearRadial
Open
Visually configure CSS box-shadow values with live preview
CSSBox-shadowShadowBuilder
Open
Build asymmetric CSS border-radius values with live preview
CSSBorder-radiusRoundedBuilder
Open
Generate a full 10-shade palette from any base color as CSS vars
ColorPaletteShadesCSS Variables
Open
Generate .gitignore files for Node.js, Python, Go, Java, Rust and more
GitgitignoreTemplateNodePython
Open
Generate signed HS256 JWTs with custom payload and secret
JWTHS256GenerateToken
Open
Parse and format .env files, detect duplicates and empty values
.envDotenvFormatVariables
Open
Parse raw email headers and extract routing, SPF/DKIM, timestamps
EmailHeadersSMTPReceivedSPF
Open
Build HTTP requests and export as curl command or fetch() snippet
HTTPcurlfetchRequest
Open
Pretty-print and indent SQL queries for readability
SQLFormatPretty-printQuery
Open
Check foreground/background color contrast ratio against WCAG AA/AAA
ColorContrastWCAGAccessibilityA11y
Open
Build a sitemap.xml skeleton from a list of URLs with priority/frequency
SitemapXMLSEOURLs
Open
Generate meta robots tags with noindex, nofollow, noarchive options
MetaRobotsnoindexnofollowSEO
Open
Generate canonical link tags to prevent duplicate content issues
CanonicalSEOURLDuplicate
Open
Generate an SVG favicon from any emoji — copy the link tag
FaviconEmojiSVGICO
Open
Compare popular open-source licenses and generate the LICENSE text
LicenseMITApacheGPLOSS
Open
Generate a structured README.md template for any project
READMEMarkdownGitHubTemplate
Open
Generate shields.io status badges with custom label, color, logo
BadgeShields.ioGitHubMarkdown
Open
Click-to-build cron expressions — daily, weekly, custom intervals
CronScheduleBuilderExpression
Open
Build sample webhook JSON payloads for GitHub, Stripe, generic events
WebhookPayloadJSONPOST
Open
Validate API key format patterns — length, prefix, charset rules
API KeyFormatValidatePrefix
Open
Generate up to 1000 UUID v4s at once and copy or download as text
UUIDBulkv4RandomExport
Open
Generate HTML placeholder blocks: headings, paragraphs, lists, tables
LoremHTMLBlocksPlaceholder
Open
Common .htaccess snippets: HTTPS redirect, HSTS, cache headers, 404
.htaccessApacheRedirectSecurity
Open
Hash and verify passwords with bcrypt (pure JS implementation)
BcryptHashPasswordSalt
Open
Generate Universally Unique Lexicographically Sortable Identifiers
ULIDIDSortableTimestamp
Open
Generate RSA-OAEP 2048/4096-bit key pairs via SubtleCrypto
RSAKeyPublicPrivatePEM
Open
Check if a PDF file contains digital signatures and extract signer info
PDFSignatureCertificateVerify
Open
Convert files to/from Base64 data URIs — drag & drop supported
Base64FileData URIEncode
Open
Generate strong memorable passphrases from the BIP39 wordlist
BIP39PassphraseDicewareEntropy
Open
Generate and validate TOTP/HOTP codes for two-factor authentication
OTPTOTPHOTP2FAAuthenticator
Open
Convert text to NATO phonetic alphabet (Alpha, Bravo, Charlie…)
NATOPhoneticAlphabetSpelling
Open
Show Unicode codepoints, UTF-8 bytes, and escape sequences for text
UnicodeCodepointUTF-8Escape
Open
Convert YAML configuration to TOML format
YAMLTOMLConvertConfig
Open
Convert JSON to TOML configuration format
JSONTOMLConvertConfig
Open
Sort, deduplicate, reverse, prefix/suffix, and join lists
ListSortTransposeDedupeJoin
Open
Convert TOML configuration to JSON format
TOMLJSONConvertConfig
Open
Convert TOML configuration to YAML format
TOMLYAMLConvertConfig
Open
Press any key to see its keyCode, key, code, which and location values
KeycodeKeyboardEventJavaScriptKey
Open
Visual HTML editor with formatting toolbar — see HTML output live
HTMLWYSIWYGEditorRich Text
Open
Generate QR codes from any text or URL — download as PNG
QRCodeGenerateScan
Open
Generate a QR code to share WiFi credentials — scan to connect
WiFiQRSSIDPasswordNetwork
Open
Generate lightweight SVG placeholder images with custom size and color
SVGPlaceholderImageDimensions
Open
Record video from your webcam directly in the browser — no upload
CameraWebcamRecordVideo
Open
Searchable Git commands reference — init, branch, merge, rebase, stash…
GitCheat SheetCommandsReference
Open
Generate random available port numbers in configurable ranges
PortRandomTCPNetwork
Open
Visual chmod permission calculator — toggle read/write/execute per role
ChmodPermissionsLinuxUnixFile
Open
Convert docker run commands to docker-compose.yml format
DockerComposeContainerConvert
Open
Pretty-print and validate XML documents with proper indentation
XMLFormatPretty-printValidate
Open
Format and validate YAML documents with proper indentation
YAMLFormatPretty-printValidate
Open
Expand an IPv4 range (start-end or CIDR) to a full list of addresses
IPv4RangeExpandCIDRList
Open
Generate random MAC addresses with configurable OUI prefix and format
MACGenerateRandomEthernet
Open
Generate RFC 4193 Unique Local IPv6 addresses (fd00::/8)
IPv6ULAPrivatefd00Generate
Open
Evaluate math expressions with variables, functions, and constants
MathCalculatorExpressionEvaluate
Open
Calculate estimated time of arrival based on progress and elapsed time
ETATimeProgressEstimate
Open
Calculate percentages: X% of Y, X is what % of Y, % change
PercentCalculateRatioFraction
Open
Stopwatch with lap times and countdown timer
TimerStopwatchLapCountdown
Open
Convert between Celsius, Fahrenheit, Kelvin, and Rankine
TemperatureCelsiusFahrenheitKelvin
Open
Measure JavaScript code execution time with multiple iterations
BenchmarkPerformanceTimerJS
Open
Search and copy emojis with their Unicode names and codepoints
EmojiUnicodeCopySearch
Open
Obfuscate strings with homoglyphs, zero-width chars, or char codes
ObfuscateEncodeHideString
Open
Generate numeronyms like i18n, l10n, a11y from any word
Numeronymi18nl10na11yAbbreviation
Open
Convert text to ASCII art banners with multiple font styles
ASCIIArtTextBannerFIGlet
Open
Parse and format phone numbers to E.164, national, and international formats
PhoneE.164FormatInternational
Open
Validate IBAN numbers and extract country, bank code, and check digits
IBANBankValidateSWIFTBIC
Open

PhishDestroy Personnalisé

Conçu pour la recherche en sécurité et la lutte contre le phishing

Générer ou valider des phrases de récupération BIP39 de 12 ou 24 mots afin de tester les formulaires de hameçonnage destinés à récupérer les phrases de récupération des portefeuilles.

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Créer un security.txt avec les champs « Contact », « Date d'expiration », « Politique », « Chiffrement » et tous les autres champs standard.

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Générer un fichier lisible par l'IA llms.txt afin que les LLM puissent comprendre la structure et le contenu de votre site.

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Créez un fichier robots.txt permettant de bloquer en un clic GPTBot, ClaudeBot, CCBot, PerplexityBot et plus de 10 autres robots d'indexation basés sur l'IA.

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Décrypter les enveloppes SafeLinks de Microsoft Defender et URLDefense de ProofPoint afin de révéler l'URL de destination réelle.

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Outils de sécurité, enquêtes et ressources