Outils pour développeurs
Utilitaires de développement et de débogage pour programmeurs
Choisissez un outil ci-dessous. Tout est gratuit et s'exécute dans votre navigateur.
💻 Outils pour développeurs · Total 42 outils
Chiffrement / déchiffrement AESAES encrypt decrypt tool: support AES encryption and decryption with key and IV for development and security, with one-click copy, offline and multilingual.
Chiffre de CésarCaesar cipher tool: encrypt and decrypt with any shift 1-25, letters only with case preserved for learning, one-click copy and offline.
Générateur de codes-barres Code128Code128 barcode generator: support ASCII charset with automatic checksum generating standard barcode SVG for products and logistics, with one-click copy and offline.
Formateur de cookiesCookie formatter: parses Cookie strings to JSON/table with URL decoding and rebuilds Cookies from JSON. For debugging. Supports batch processing and one-click copy.
Somme de contrôle CRC32 / Adler-32Checksum calculator: support CRC32 and Adler-32 algorithms outputting hex and decimal results for file and data verification, with one-click copy and offline.
Analyseur d’expressions CronCron parser: parse 5-field cron expressions into readable descriptions and next run times for scheduling, with one-click copy and offline.
Formateur et minificateur CSSCSS formatter and minifier: beautify or minify CSS with one click, removing comments while keeping syntax valid for frontend, with one-click copy and offline.
CSV vers tableau MarkdownCSV to Markdown: converts CSV to Markdown tables with comma/semicolon/Tab and quote handling. Supports batch processing, export and one-click copy, offline use.
Calculateur de temps de téléchargementDownload time estimator: calculate download time from file size and connection speed for downloads, with one-click copy and offline.
Formateur .env.env formatter: parse KEY=VALUE and align, trim and escape or convert to JSON for config and deployment, with one-click copy and offline.
Générateur .gitignoreGitignore generator: select Node, Python, Java, Go, Vue etc to generate .gitignore with custom merge. Supports batch processing, export and one-click copy.
Compression / Décompression GzipGzip compress tool: compress text to Base64-encoded Gzip or decompress back for transfer and storage, with one-click copy and offline.
Générateur HMAC-SHA256HMAC generator: enter message and secret to generate HMAC-SHA256 hex and Base64 signatures. For API signing. Supports batch processing, export and one-click copy.
Encodeur / Décodeur HTML et vers JSHTML escape and decode tool: support special character escape, entity decode and deep numeric encoding for web and security, with one-click copy and offline.
Générateur de tableaux HTMLHTML table generator: paste CSV data to generate HTML table code with header, border and class settings and preview for development, with one-click copy and offline.
HTML vers MarkdownHTML to Markdown converter: convert HTML to Markdown with headings and links for docs and writing, with one-click copy and offline.
Codes de statut HTTPHTTP status codes reference: look up 1xx-5xx meanings, scenarios and troubleshooting with all common codes for development and ops, with one-click copy and offline.
Générateur de questions d'entretienInterview questions: pick a category (frontend, backend, algorithm, system design, behavioral) and count (1-10) for random open-ended questions with one-click copy.
Calculatrice de sous-réseau IPIP subnet calculator: calculate network address and broadcast from IPv4 and prefix for networking, with one-click copy and offline.
Expansion et compression IPv6IPv6 expander: expand compressed addresses to full 8 groups or compress back with validation for networking and ops, with one-click copy and offline.
Formateur et minificateur JavaScriptJavaScript formatter: beautify indentation, minify size and safely handle strings and comments with custom indent for development, with one-click copy and offline.
Aplatisseur JSONJSON flattener: expand nested JSON into dot-path key-value pairs with array indexes and custom separators for config and APIs, with one-click copy and offline.
JSON vers CSVJSON to CSV converter: convert JSON array to CSV with custom delimiters and header export for data processing, one-click copy, offline and multilingual.
JSON vers TypeScriptJSON to TypeScript: converts JSON to TypeScript interfaces with nested support. For frontend. Supports batch processing, export and one-click copy, offline use.
JSON vers YAMLJSON to YAML converter: convert JSON objects to YAML format with nesting and arrays for config and development, with one-click copy and offline.
Visionneuse d'arbre JSONJSON tree viewer: render JSON as collapsible color-coded tree with expand and collapse for deep data for APIs, with one-click copy and offline.
Encodeur JWT (HS256)JWT encoder: inputs header, payload and secret to generate HS256 JWT token. Supports batch processing, export and one-click copy, offline use.
Générateur d’adresses MACMAC address generator: generate random MAC addresses in bulk with multiple formats for networking, with one-click copy and offline.
Générateur de tableaux MarkdownMarkdown table generator: visually edit rows and columns to generate table code with header and alignment for docs and README, with one-click copy and offline.
Markdown vers HTMLMarkdown to HTML converter: support headings, bold, italic, links, lists and code blocks with live preview for writing and docs, with one-click copy and offline.
Générateur de sommaire MarkdownMarkdown TOC generator: extract headings to generate anchored table of contents with nesting for docs, with one-click copy and offline.
Calculatrice de hachage MD5MD5 hash tool: compute 32-char hex MD5 digest for UTF-8 text locally for privacy for verification and learning, with one-click copy and offline.
Recherche de type MIMEMIME lookup: enter file extension or MIME to get Content-Type with common types. Supports batch processing, export and one-click copy, offline use.
Générateur aléatoire IP & portRandom IP and port generator: generate random public IPv4 with port and validate IP:port format for network testing, with one-click copy and offline.
Formateur SQLSQL formatter: beautify SQL with keyword uppercasing and indentation for multiple dialects and debugging, one-click copy and offline.
Échapper / Déséchapper (JS)String escape tool: convert strings to JavaScript escaped form handling quotes and newlines for coding, with one-click copy and offline.
Encodeur / Décodeur Unicode (\u)Unicode converter: convert Chinese, Emoji and text to \uXXXX escapes or restore with bulk and large text for development, with one-click copy and offline.
Analyseur de User-AgentUser-Agent parser: paste UA string to identify browser, version, OS and device with highlighting for development and analytics, with one-click copy and offline.
Encodeur / Décodeur UTF-16 (\x)UTF-16 converter: convert text to \xXXXX hex escapes or decode back supporting bulk and large text for development and debugging, with one-click copy and offline.
XML vers JSONXML to JSON converter: convert XML to JSON handling attributes and nesting with validation for development, with one-click copy and offline.
Formateur YAMLYAML formatter: parse and reformat YAML with clean indentation and quoting for clear output for config and learning, with one-click copy and offline.
Convertisseur YAML vers JSONYAML to JSON converter: support indent-nested maps and scalars converting to formatted JSON for config, with one-click copy and offline.
FAQ
Qu'est-ce que la catégorie Outils pour développeurs ?
La catégorie Outils pour développeurs comprend 42 outils gratuits, tous dans le navigateur.
Ces outils sont-ils gratuits ?
Oui, tous gratuits et sans limite d'utilisation.
Faut-il s'inscrire ?
Non. Ouvrez la page et utilisez-la ; vos données restent locales.
Quelles langues sont prises en charge ?
This site supports 12 languages: Chinese, English, Japanese, Spanish, French, Portuguese, Arabic, Indonesian, Hindi, Thai, Vietnamese and Bengali.