Converters & Encoders Tools
Convert units, encodings, colors, timestamps, and data formats online.
Handiwork’s converters translate values from one format to another in a click. Switch between measurement units, encode or decode Base64 and URLs, convert colors, number bases, and Roman numerals, turn timestamps into readable dates, or transform CSV into JSON.
Each converter runs in your browser for instant, private results. Browse the converters below and pick the one that fits the format you are working with.
Convert Unix timestamps to dates and back. Supports ISO and local time.
Live encode and decode text or files to Base64 in your browser.
Live percent-encode or decode URL components and full URLs.
Convert between HEX, RGB, and HSL with sliders and CSS-ready copy.
Convert length, weight, volume, area, speed, temperature, and data with live results.
Convert numbers between binary, octal, decimal, hex, and any base 2–36.
Convert CSV to JSON and JSON to CSV, with custom delimiters.
Convert date and time between time zones with presets, live results, and offset differences.
Convert Arabic numbers and Roman numerals from 1 to 3999 with live results and a symbol reference.