Developer tools

Clean, inspect, and transform code and structured data.

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JSON Cleaner & Formatter

Detect invisible characters, clean troublesome whitespace, validate, format, minify, copy, and download JSON.

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JSON Minifier

Shrink valid JSON to a compact single line, with instant size comparison.

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JSON ↔ CSV Converter

Convert arrays of JSON objects to CSV and CSV tables back to JSON.

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Base64 Encoder & Decoder

Encode Unicode text to Base64 or decode Base64 safely.

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URL Encoder & Decoder

Encode or decode URL components without sending them anywhere.

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JWT Decoder

Inspect JWT headers and payloads locally. No token is uploaded or verified.

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UUID Generator

Generate one or many cryptographically random UUID v4 identifiers.

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Unix Timestamp Converter

Convert Unix timestamps to readable local/UTC dates and back.

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JSON Compare

Compare two JSON documents and see whether their normalized data matches.

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JSON Escape / Unescape

Escape text for a JSON string or unescape a JSON string value.

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Regex Tester

Test a regular expression against text and inspect every match.

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HTML Escape / Unescape

Safely escape HTML special characters or restore escaped text.

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HTML Minifier

Remove unnecessary whitespace and comments from HTML source.

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CSS Minifier

Minify CSS by removing comments and unnecessary whitespace.

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JavaScript Whitespace Cleaner

Clean JavaScript whitespace and comments for quick copy-and-paste snippets.

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SHA-256 Hash Generator

Create a SHA-256 cryptographic hash from text locally.

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SHA-1 Hash Generator

Create a SHA-1 hash for legacy compatibility checks.

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Password Generator

Generate strong random passwords with letters, numbers, and symbols.

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