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CSV to JSON Converter — Free, Instant, and Runs in Your Browser
Convert CSV files to JSON and JSON to CSV instantly in your browser. No uploads, no accounts — perfect for developers and data professionals who value privacy.
Having issues with buttons or file uploads? If tools aren't responding, please or press Ctrl+F5 (or Cmd+R on Mac).
Tag: developer tools
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Free Hash Generator — MD5, SHA-1, SHA-256, SHA-512 in Your Browser
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly from text or files. All hashing runs locally in your browser — no uploads, completely private.
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Free JSON Formatter & Validator — Beautify and Validate JSON in Your Browser
Format, validate, and minify JSON instantly in your browser. No uploads, no server — your data stays private. The fastest JSON formatter for developers.
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Free Base64 Encoder & Decoder — Works Offline, No Data Leaves Your Browser
Encode and decode Base64 strings instantly in your browser. No uploads, no servers, no tracking — 100% private and works offline.
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AI Token Counter — Count Tokens for GPT, Claude, and Gemini for Free
Count tokens in your prompts before sending them to OpenAI, Anthropic, or Google APIs. Estimate costs and stay within context limits. Runs entirely in your browser.