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CATEGORY
Developer Calculators & Tools
Free developer tools from URTools. No sign-up required.
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Base64 Encoder & Decoder
Encode and decode Base64 text in your browser.
JSON Formatter & Validator
Format and validate JSON directly in your browser.
Unix Timestamp Converter
Convert Unix timestamps to readable dates and back.
URL Encoder & Decoder
Encode and decode URL components safely.
UUID Generator
Generate UUID v4 identifiers locally in your browser.
About Developer tools
Browse practical, mobile-friendly tools for common developer tasks. Results are generated instantly in your browser wherever possible.