Tools
Client-side tools for formatting, encoding, and debugging. No data leaves your browser.
All tools
JSON Formatter
Format, minify, and validate JSON. Choose indent size and copy result.
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Base64 Encoder / Decoder
Encode text to Base64 and decode Base64 to text. UTF-8 supported.
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Timestamp Converter
Convert between Unix epoch (s/ms) and date/time. Live current time.
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URL Encoder / Decoder
Encode or decode URL percent-encoded strings. Safe for query params and paths.
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UUID Generator
Generate UUID v4 identifiers. One or multiple, client-side only.
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Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes for text. Compare hashes for integrity checks.
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CSV to JSON
Convert CSV data to JSON with configurable delimiters and headers. Batch convert or paste datasets.
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Diff Checker
Compare two text or JSON inputs and see a clear diff. Useful for config changes and API responses.
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QR Code Generator
Generate QR codes from URLs or text. Download as PNG or SVG. No data sent to external services.
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