Requirement Guide

Tool Details

Back to Tools Directory

URL Encoder / Decoder

LiveDeveloper Utilities

URL Encoder / Decoder is a free, instant browser tool for API developers, frontend engineers, and anyone working with URLs daily. Encode special characters for safe URL transmission, decode percent-encoded strings back to readable text, or break down a full URL into its parsed components (protocol, host, path, query parameters). Supports both encodeURIComponent (for query values) and encodeURI (for full URLs). Everything runs client-side — no data leaves your browser.

Launch App ToolView All Tools
PreviewOutput

Workflow Preview

# URL Encoder / Decoder
Fast writing and instant preview for production-ready content.

Key Features

Encode text with encodeURIComponent for query parameters
Encode full URLs with encodeURI preserving URL structure
Decode any percent-encoded URL string instantly
Real-time encoding/decoding as you type
URL parser: break down any URL into protocol, host, path, and query params
One-click copy encoded or decoded output
Load sample URLs to quickly test the tool
100% client-side — no data sent to any server
Dark mode and light mode with responsive layout
Clean, distraction-free interface

FAQs

What does URL Encoder / Decoder do?

It converts special characters in text (like spaces, &, =, ?) into percent-encoded format safe for URLs, and decodes percent-encoded strings back into readable text. It also parses full URLs into their components.

What is the difference between encodeURI and encodeURIComponent?

encodeURI encodes a full URL but preserves characters that are part of URL structure (like ://?#&=). encodeURIComponent encodes everything except letters, digits, and - _ . ~ making it ideal for encoding individual query parameter values.

Is my data safe when using this tool?

Yes. All encoding and decoding happens 100% in your browser. No URLs or text data is ever sent to a server or stored anywhere.

Why do URLs need to be encoded?

URLs can only contain certain ASCII characters. Special characters like spaces, accented letters, and symbols (& = ? #) must be percent-encoded so they are transmitted correctly without breaking the URL structure.

Can I decode URLs with Unicode characters?

Yes. The tool fully supports UTF-8 decoding, so it correctly handles percent-encoded Unicode characters, emojis, and text in any language.

Related Tools

Markdown Live Preview

Write Markdown and see a live preview with GFM support, copy/export options, and responsive layout.

JSON Formatter / Beautifier

Format, beautify, minify, and validate JSON instantly in your browser. No data leaves your device.

JWT Decoder

Decode, inspect, and debug JWT tokens instantly. See header, payload, expiry status, and claim details — all in your browser.