DUL Data Utility Labs

Encoding - Private browser tool

URL Encoder Decoder

Encode and decode URLs, query strings, and special characters locally in your browser.

Use the tool Read FAQ 
https://example.com/search?q=json to csv&sort=new

URL Encoder Decoder

Private, browser-based, free to use.

What this tool helps you do

Encode and decode URLs, query strings, and special characters locally in your browser. Paste your data, run the tool, copy the result, and move on. The core workflow stays on one focused page.

Best use cases

  • Convert or clean data before importing it into spreadsheets, BI tools, databases, or internal apps.
  • Debug API payloads, logs, tokens, encodings, regular expressions, and text transformations.
  • Create lightweight examples for documentation, tests, tutorials, customer support, and team handoffs.

Related tools

Base64 Encoder DecoderJWT DecoderSlug GeneratorTimestamp ConverterJWT DecoderBase64 Encoder Decoder

URL Encoder Decoder FAQ

What is URL encoding?

Special characters are escaped so they can safely appear in URLs.

Can I decode query strings?

Yes. Paste an encoded URL or parameter value and choose decode.

Does it upload URLs?

No. It runs locally.