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Developer Toolkit

A fast dashboard for developers: Base64 encode/decode, JSON/CSV format, URL encode, Unix timestamps, and JWT decode. All tools run in your browser, no server calls.

Open in WorkbenchHow to use
🔐Base64 Encoder / Decoder
Loading base64-tool…
📋JSON & CSV Formatter / Validator
Loading json-csv-formatter…
🔗URL Encoder / Decoder
Loading url-encoder…
⏱️Unix Timestamp Converter
Loading unix-timestamp-converter…
🔐JWT Decoder & Security Checker
Loading jwt-decoder…

How to use the Developer Toolkit

  1. 1

    Encode or decode strings with the Base64 Tool.

  2. 2

    Format, convert, or minify JSON and CSV with the JSON/CSV Formatter.

  3. 3

    Escape URLs for query strings with the URL Encoder.

  4. 4

    Convert human-readable dates to Unix timestamps and back.

  5. 5

    Inspect JWT payload and header without sending data anywhere.

Tip: No data leaves your browser — safe for tokens and private strings.

About the Developer Toolkit

A fast dashboard for developers: Base64 encode/decode, JSON/CSV format, URL encode, Unix timestamps, and JWT decode. All tools run in your browser, no server calls. Every tool runs entirely in your browser — no signup, no data stored, and no server-side processing. Use this board directly, or click “Open in Workbench” to customize the layout, reorder cards, and add your own tools.