Dev Tools Suite (7 Tools)
Free Online Developer & Web Tools
Format, validate, and minify JSON, HTML, CSS, JavaScript, generate hashes, QR codes, and UUIDs.
Developer & Web ToolsPopular
JSON Formatter & Validator
Beautify, validate, minify, and inspect JSON data with tree view and error highlighting.
100% FreeUse Tool
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JSON ⇄ CSV ⇄ XML Converter
Convert between JSON, CSV, TSV, and XML formats with table preview.
100% FreeUse Tool
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QR Code Generator & Scanner
Generate custom high-res QR codes for URLs, WiFi, vCards, WhatsApp & scan existing QR codes.
100% FreeUse Tool
Developer & Web Tools
Hash Generator (MD5, SHA-256)
Generate cryptographic MD5, SHA-1, SHA-256, and SHA-512 hashes for text and files.
100% FreeUse Tool
Developer & Web Tools
Base64 Encoder & Decoder
Encode and decode text, URLs, and image files to/from Base64 strings.
100% FreeUse Tool
Developer & Web Tools
UUID / GUID Generator
Generate random UUID v4 and v1 identifiers in bulk with custom casing.
100% FreeUse Tool
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HTML / CSS / JS Minifier & Beautifier
Clean, format, and minify HTML, CSS, and JavaScript code for faster load times.
100% FreeUse Tool