Outils pour développeurs
Utilitaires du quotidien pour développeurs : formater et valider du JSON, encoder et décoder du Base64 ou des URL, générer des hachages et des UUID, tester des expressions régulières, décoder des JWT et expliquer des expressions cron. Conçus pour aller vite : sans compte et sans limite.
JSON Formatter
Beautify, validate and minify JSON with precise error locations.
Base64 Encoder / Decoder
Encode or decode Base64 safely, including emoji and non-Latin text.
URL Encoder / Decoder
Percent-encode or decode URLs and query-string values.
HTML Entity Converter
Escape or unescape HTML entities — keep code visible and safe.
Hash Generator
Create MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes instantly.
UUID Generator
Bulk-generate random UUID v4 identifiers with one click.
JWT Decoder
Inspect JWT headers and payloads, with expiry checks.
Regex Tester
Test regular expressions live with highlighted matches and groups.
Cron Expression Explainer
Translate cron schedules into plain English and see next runs.
HTTP Status Code Lookup
Search every HTTP status code with meanings and fix hints.
Code Minifier
Minify HTML, CSS and JavaScript with size savings shown.
Markdown to HTML
Convert Markdown to clean HTML with a live preview.