NewTools
Free Tool

URL Encoder Decoder Online

Use NewTools to encode and decode URL text directly in your browser. Encodes or decodes URL components and query strings with friendly validation errors.

Fast URL Encoding. Quickly encode or decode URI components without sending data to external servers.

No installation
Fast processing
Browser friendly
Privacy-aware

Features

Two-way URL percent-encoding and decoding for query strings and URI components
Full UTF-8 support for multi-byte international characters, symbols, and emojis
Fully compliant with RFC 3986 URL and URI component encoding specifications
Smart handling of plus signs (+) and percent-encoded spaces (%20)
100% private in-browser processing — your URLs never leave your machine
Free to use with one-click clipboard copying and instant validation

How It Works

1

Step 1

Paste the text you want to process into the input field.

2

Step 2

Select whether to Encode or Decode the text.

3

Step 3

Copy or download the resulting string immediately.

Common Use Cases

HTTP GET Query Parameter Preparation

Encode search terms, redirection links, and parameter values to ensure they transmit safely inside HTTP query strings without breaking syntax.

Decoding Raw Tracking Links & Webhooks

Decode percent-escaped URLs from marketing links, analytics webhooks, and OAuth redirection flows to inspect parameter values.

Web Development & Form Testing

Test and verify that special characters like ampersands (&), question marks (?), and slashes (/) are safely escaped before submission.

Tips & Best Practices

Tip 1

Only encode the query parameters, not the entire URL (like https://).

Tip 2

Decoding a string multiple times might produce unintended results if it contains literal percent signs.

URL Encoder Decoder

Secure and Local

Because the processing relies on your browser's native JavaScript APIs, your input strings never leave your device. It is 100% local.

Frequently Asked Questions

Is the text uploaded to a server?

No, all URL encoding and decoding happens locally in your browser.

What encoding scheme does it use?

It uses UTF-8 percent-encoding, standard for modern web applications.

Does it support custom algorithms?

No, this tool only supports standard URL percent-encoding.