URL Encoder / Decoder — Free Online Tool
Encode or decode URL-safe strings instantly
Encode URL parameters or decode %-encoded URLs. Free online URL encoder/decoder, browser-based.
📚 Learn more
Free URL encoder & decoder — instant, UTF-8 safe
Toololis 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?
Key Takeaways
- URL Encoder / Decoder is a free, browser-based developer tool — encode or decode url-safe strings instantly.
- No 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 Toololis — 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
- Price
- Free — no limits, no watermarks, no paywalls
- Privacy
- 100% browser-based — no data is sent to any server
- Platform
- Any modern browser on desktop, tablet, or mobile
- Category
- Developer Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Feature | Details |
|---|---|
| Tool | URL Encoder / Decoder |
| Category | Developer |
| Signup Required | No |
| File Upload | None — processed in browser |
| Mobile Support | Fully responsive |
| Cost | Free forever |
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.