Offline-first developer utility hub
Runs locally in your browser by default; no upload.
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Popular tools
All 50 tools →Ranked by built-in popularity; search above covers every tool.
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JSON Format / Minify
Format, minify and validate JSON.
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Base64 Encode / Decode
Base64 conversion.
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Image Compress (local)
Compress image in-browser.
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URL Encode / Decode
URL encode/decode.
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Hash (MD5/SHA)
Compute MD5/SHA1/SHA256.
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Timestamp Converter
Convert timestamp and date.
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UUID Generator
Generate UUID v4.
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Regex Tester
Test regex and highlight matches.
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YAML ↔ JSON
Convert YAML and JSON.
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Case / Naming Convert
camelCase/snake_case/kebab-case.