Developer Tools

Utilities for formatting, checking, converting, and inspecting development data.

Tool collection

Available tools

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Format, indent, and validate JSON to produce readable, structured output for debugging and documentation.

Validate JSON syntax and get clear error messages to fix malformed data fast.

Remove whitespace and compress JSON to shrink payloads while keeping the same data structure.

Convert structured record data between array-style JSON and CSV tables for import, export, and analysis.

Convert simple JSON documents to YAML and back, maintaining structure and readable output.

Encode text into Base64 or decode Base64 strings back to readable text for inspection and handling.

Percent-encode or decode URL components so links and query strings are safe and human-readable.

Escape HTML special characters to entities or convert entities back into markup to view original content.

Featured

Generate random UUID v4 identifiers suitable for unique keys, test records, and identifiers.

Decode JWTs to reveal header and payload claims, timestamps, and contents for inspection.

Run regular expressions on sample text to view matches, captured groups, and replacements for pattern development.

Convert Unix epoch timestamps to human-readable dates and back, with timezone context for clarity.