💻 Developer Tools

Developer Tools

Speed up everyday engineering tasks

14 tools

{ } JSON Formatter Format, minify & validate JSON 🔡 Base64 Encode / Decode Text ⇔ Base64 🔗 URL Encode / Decode Percent-encode URLs #️⃣ Hash Generator SHA-1 / 256 / 384 / 512 🆔 UUID Generator Bulk UUID v4 ⏱️ Unix Timestamp Converter Unix time ⇔ date .* Regex Tester Test regex matches live 🎨 Color Converter HEX ⇔ RGB ⇔ HSL ⇄ CSV ⇄ JSON Converter Convert CSV/TSV and JSON </> HTML Escape / Unescape Escape < > & for HTML 🔑 JWT Decoder Decode header & payload 01 Number Base Converter Bin / Oct / Dec / Hex 📄 Markdown Preview Write Markdown, see HTML ⏰ Cron Expression Helper Explain cron & next runs

Developer Tools

Speed up everyday engineering tasks。All tools are free, require no sign-up, and run in your browser. Your input is never sent to a server.