Developer Tools
Free developer and web utilities — password and UUID generators, color and hash tools, and more.
Password Generator
Generate strong, random, secure passwords with custom length and character types. Created entirely in your browser — nothing is sent or stored.
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Color Converter
Convert colors between HEX, RGB, and HSL instantly. Pick a color or paste a HEX code and copy any format with one click.
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UUID Generator
Generate random version 4 UUIDs (GUIDs) in bulk. Created in your browser with a cryptographically secure random generator. Copy one or all.
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QR Code Generator
Create a QR code from any text or URL and download it as a PNG. Generated in your browser, free, with no watermark and no sign-up.
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Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text instantly. Runs entirely in your browser — nothing is uploaded.
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JWT Decoder
Decode a JWT (JSON Web Token) to read its header, payload, and claims. Runs entirely in your browser — your token is never uploaded.
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Unix Timestamp Converter
Convert Unix timestamps (epoch) to human-readable dates and back. Auto-detects seconds vs milliseconds. Shows UTC, local, and ISO time.
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URL Encoder / Decoder
Encode text for safe use in URLs, or decode percent-encoded strings back to plain text. Handles spaces, symbols, and Unicode. Free and private.
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Cron Expression Parser
Paste a cron expression to see a plain-English breakdown of each field and the next 5 run times. Presets for common schedules included.
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Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal instantly. Handles very large values with no precision loss. Free and private.
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