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Encodeur et Décodeur d'URL Gratuit

Convertissez vos URL et caractères spéciaux en toute sécurité sans aucun transfert de données vers un serveur.

Mode:
0 chars • 0 bytes
0 chars • 0 bytes
100% Client-Side Browser Execution
Comment utiliser cet outil

How to use Encodeur / Décodeur d'URL in 3 simple steps

01

Paste Text or URL

Enter the raw text, query string, or encoded URL string into the workbench input field.

02

Select Encode or Decode Mode

Choose Encode to escape special characters, or Decode to convert percent-encoded sequences back to plain text.

03

Copy or Swap Output

Copy the transformed result with one click or swap input and output for subsequent operations.

Fonctionnalités principales

Key capabilities & features of Encodeur / Décodeur d'URL

Two-Way Encode & Decode

Effortlessly transform between plain text and percent-encoded URL formats with instant results.

Component vs Standard URI Modes

Switch between encodeURIComponent (all special characters) and encodeURI (preserving valid URL structure like :// and /).

Live Character & Byte Statistics

Inspect character counts and payload sizes before and after encoding.

Quick Swap Action

Instantly swap output back into input to chain transformations or verify symmetry.

Pre-Loaded Sample Datasets

Test with sample URLs featuring international UTF-8 characters, spaces, and query parameters.

100% In-Browser Security

Your sensitive tokens, query parameters, and URLs are processed locally without internet transmission.

FAQ

Foire aux questions

What is the difference between encodeURI and encodeURIComponent?
encodeURI encodes standard URLs while preserving protocol and path characters like :// and /. encodeURIComponent encodes every special character, making it ideal for query parameter values.
Does this tool support international UTF-8 characters?
Yes. It converts UTF-8 multi-byte characters (such as accents, Cyrillic, Chinese, and Arabic) into standard percent-encoded octets.
Can I decode malformed percent sequences?
If a string contains invalid sequences (e.g. an incomplete % sign), the tool alerts you with a helpful syntax error instead of failing silently.
Is any URL or token data saved?
No. All conversions happen entirely inside your browser memory using native JavaScript APIs. Zero data is logged or sent externally.
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