Developer Tools
Free, fast, browser-based tools. No sign-up required.
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JSON Formatter & Beautifier
Format, beautify, and minify JSON data with customizable indentation.
Open tool → ✓
JSON Validator
Validate JSON syntax and get detailed error messages with line numbers.
Open tool → ⇄
JSON to YAML Converter
Convert JSON data to YAML format instantly.
Open tool → B64
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to plain text.
Open tool → %20
URL Encoder / Decoder
Encode or decode URL components for safe transmission.
Open tool → #
UUID Generator
Generate random UUIDs (v4) or time-based UUIDs (v1).
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