Developer Tools

Fast, privacy-friendly utilities for developers: format, encode and generate in seconds.

Hash Generator

Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text, right in your browser.

Color Converter

Convert colors between HEX, RGB and HSL with a live preview.

Timestamp

Convert Unix timestamps to human dates and back — UTC, local, ISO 8601 and relative time. Seconds and milliseconds are auto-detected.

URL Encoder

Percent-encode and decode URLs and URL components, UTF-8 safe.

JSON ⇄ CSV

Convert JSON to CSV and CSV back to JSON, both ways. Choose the delimiter, handle quoted fields, and copy the result. Everything runs in your browser.

YAML ⇄ JSON

Convert YAML to JSON and JSON back to YAML, both ways. Validates as it converts and shows clear errors. Everything runs in your browser.

JSON Formatter

Format, beautify and validate JSON online with clear error messages for invalid input.

Base64 Encoder

Encode text to Base64 or decode Base64 back to text. UTF-8 safe with automatic direction detection.

UUID Generator

Generate 5 random RFC 4122 version 4 UUIDs at once. The input is ignored; run again for a new batch.

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