URL Encode Decode: free online, fast and secure
URLs can only contain certain characters. Spaces, &, ?, # and non-English letters must be percent-encoded (like %20 for a space), or links and query parameters break.
This tool encodes and decodes text using encodeURIComponent for parameter values or encodeURI for full URLs, and decodes messy tracking links back into readable text.
How to use URL Encode Decode
- Paste text or a URL. Plain on the left, encoded on the right.
- Choose mode. Component for values, URI for full addresses.
- Encode or decode. Copy the result.
Why use ConvertKaro URL Encode Decode? Free, fast and secure
Many online tools upload your file to a remote server and make you wait. ConvertKaro is different.
100% Free
Use URL Encode Decode completely free, every day. No credit card, no “pro” version and no daily cap on files.
Fast results
No waiting for uploads to finish. The work happens on your device the moment you add a file, which makes it noticeably faster than server-based tools.
Secure and private
Your files never leave your device. ConvertKaro does not upload, store or look at your documents and photos, which makes it safe for ID cards, bank statements and private pictures.
No signup, no watermark
You do not need to sign up or log in, and your output is clean, without any logo or branding.
Works on every device
Nothing to install: it runs in any modern browser on phones, tablets and computers.
Two encoding modes
Choose the right function for query values or whole URLs to avoid double encoding.
ConvertKaro vs other websites and apps
| ConvertKaro | Typical website or app | |
|---|---|---|
| Price | Free forever, every feature | Free trial, then paid plans |
| Your data | Stay on your device | Uploaded to a server |
| Signup | Not needed | Often required |
| Watermark or ads on result | Never | Common on free plans |
| Speed | Instant, no upload wait | Depends on upload speed |
| Daily limits | None | Usually limited |
Common uses for URL Encode Decode
- Building UTM and campaign links
- Passing search terms in query strings
- Decoding long redirect and tracking URLs
- Debugging API requests
- Sharing links with Hindi text
Tips for the best results
- Encode each parameter value, not the whole URL, with component mode.
- Plus signs (+) in queries are decoded as spaces.
- Create clean paths with Slug Generator.
- Generate QR codes for links with QR Code Generator.
Good to know
Small utilities like URL Encode Decode save time every day: no need to open an IDE, install a package or write a script for a quick check. The tool follows the same standards used by browsers and Node.js, so results match what your code will do. Bookmark this page or add it to your home screen to keep it one click away.
| Price | Free, no limits |
|---|---|
| Processing | In your browser, instant |
| Signup | Not required |
| Watermark | None |
| Works on | Android, iPhone, Windows, Mac, Linux |
| Category | Developer tools |
How URL Encode Decode keeps your code and data private
Everything you enter into URL Encode Decode stays on your device. The tool works offline once the page has loaded, because all the logic is in the page itself rather than on a server. We never receive, log or store your code and data, so you can use it at work, at school or for personal matters without worrying about privacy.
Using URL Encode Decode on your phone
On a phone, open this page in Chrome or Safari, tap the main button and pick or paste what you need. Results download straight to your phone, usually into the Downloads folder or Files app. You can also add this page to your home screen for one-tap access next time.
Who uses URL Encode Decode?
You do not need any technical knowledge to use it. It is popular with:
- Web developers and programmers
- Students learning coding and web design
- Digital marketers and SEO specialists
- Testers and support engineers debugging data
- Small business owners managing their own websites
Supported input: Plain text, JSON, CSS, JavaScript, HTML, URLs, Base64, tokens and image files where relevant.
Frequently asked questions
What is %20?
The percent-encoded form of a space character.
encodeURI vs encodeURIComponent?
encodeURI keeps characters like / ? & that structure a URL; encodeURIComponent encodes them too, for use inside a value.
Why does decoding fail?
The text contains a % not followed by two hex digits.
Is URL Encode Decode really free?
Yes, completely free. You can use it as many times as you want, and every option on the page is included at no cost.
Is it safe to use URL Encode Decode online?
Yes. Your data are processed inside your own browser and are never uploaded to our servers, so nobody else can see them.
Does URL Encode Decode work on mobile?
Yes, the tool is built mobile-first. Open this page on your phone, add your data and download the result directly.
Do I need to install anything to use URL Encode Decode?
No. URL Encode Decode works in your web browser. There is no app, plug-in or extension to install.
Will ConvertKaro add a watermark or ask me to sign up?
No. There is no watermark, no login and no email required. Copy or download the result as it is.
Does URL Encode Decode work offline?
Once this page has finished loading, the tool keeps working even if your internet connection drops, because all processing happens on your device.
Related free tools
Explore more free tools that work the same way, privately in your browser: Base64 Encode Decode, Slug Generator, QR Code Generator, Meta Tag Generator, JSON Formatter.