Fast, privacy-friendly utilities for developers: format, encode and generate in seconds.
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text, right in your browser.
Convert colors between HEX, RGB and HSL with a live preview.
Convert Unix timestamps to human dates and back — UTC, local, ISO 8601 and relative time. Seconds and milliseconds are auto-detected.
Percent-encode and decode URLs and URL components, UTF-8 safe.
Format, beautify and validate JSON online with clear error messages for invalid input.
Encode text to Base64 or decode Base64 back to text. UTF-8 safe with automatic direction detection.
Generate 5 random RFC 4122 version 4 UUIDs at once. The input is ignored; run again for a new batch.
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