Encodeur / Décodeur URL — Outil en ligne gratuit
Encode ou décode des chaînes URL instantanément
Encode des paramètres URL ou décode des URL encodées en %. Encodeur/décodeur URL en ligne gratuit, dans ton navigateur.
📚 En savoir plus
Free URL encoder & decoder — instant, UTF-8 safe
Outilolis URL Encoder converts between plain text and URL-safe percent-encoding. Use encodeURIComponent for individual query parameters or encodeURI for full URLs. Full UTF-8 support — emojis and international characters round-trip correctly.
How to use this tool
- 1
Pick a mode
Encode converts plain text to URL-safe percent-encoding. Decode converts %-encoded URLs back to readable text.
- 2
Paste your input
Drop in a URL, query string, or plain text. Conversion happens live as you type.
- 3
Copy the result
Tap Copy to send the encoded or decoded string to your clipboard.
Common encoding examples
- Space
" "→%20- Ampersand
&→%26- Question mark
?→%3F- Forward slash
/→%2F
Frequently Asked Questions
What is URL encoding?
% followed by their hex code. For example, a space becomes %20, and ? becomes %3F.When do I need URL encoding?
?name=John%20Doe), path segments with special chars, or building API requests. Also essential for internationalized URLs (CJK text, accented letters).What is the difference between encodeURI and encodeURIComponent?
encodeURI() preserves URL structure (doesn't encode :/?#). encodeURIComponent() encodes everything, including structural chars — use this for individual query param values.Does this handle UTF-8?
encodeURIComponent and decodeURIComponent handle UTF-8 correctly. Emojis, CJK characters, accents all round-trip safely.Is my data private?
À retenir
- URL Encoder / Decoder is a free, browser-based developer tool — encode or decode url-safe strings instantly.
- Non signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use URL Encoder / Decoder
- Open the tool: Launch URL Encoder / Decoder on Outilolis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
URL Encoder / Decoder — Quick Facts
- Prix
- Gratuit — sans limites, sans filigrane, sans paywall
- Confidentialité
- 100% dans le navigateur — aucune donnée n’est envoyée à un serveur
- Plateforme
- Tout navigateur moderne — desktop, tablette ou mobile
- Catégorie
- Développeur Outils on Outilolis
- Hors ligne
- Works offline after first visit (Progressive Web App)
| Caractéristique | Détails |
|---|---|
| Outil | URL Encoder / Decoder |
| Catégorie | Développeur |
| Inscription requise | Non |
| Téléversement de fichier | Aucun — traité dans le navigateur |
| Compatible mobile | Entièrement adaptatif |
| Coût | Gratuit pour toujours |
Why Use URL Encoder / Decoder?
You should try URL Encoder / Decoder for a quick, private way to encode or decode url-safe strings instantly. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.