🔗

URL Encoder / Decoder

100% Client-Side

Safely encode text and query parameters into standard percent-encoded URI strings or decode encoded URLs into human-readable text.

Component Mode (encodeURIComponent)

Input String

Processed Result

How to Use URL Encoder / Decoder

Pick Encoding Mode

Choose Encode URL or Decode URL.

Set Scope

Select Component mode (for query values) or Full URI mode.

Execute & Copy

Input text, view percent-encoded strings, and copy with one click.

✓ Component vs Full URI

Supports both encodeURIComponent and encodeURI for flexible escaping.

✓ Character Preservation

Accurately parses spaces (+ or %20), ampersands, slashes, and UTF-8 characters.

✓ Zero Data Transmission

Operates completely within browser memory.

🔒 Complete Client-Side Isolation

This tool runs entirely in your local browser runtime. No logs, analytics tracking, or remote server transmissions occur.

Format, pretty-print, validate, and minify JSON strings with instant syntax error detection, line indicators, and custom indentation.

Validate JSON strings with detailed line and column error indicators, key counters, data type inspection, and payload sizing.

Encode and decode Base64 strings with full Unicode (UTF-8) character and emoji support, plus optional URL-safe Base64 formatting.