About this tool
Free URL Encoder / Decoder Online
Encode or decode URLs, URI components, and Base64 values quickly with a developer-friendly tool built for testing, debugging, and web workflows.
How to Encode or Decode URLs
- 1. Paste your URL, query string, or Base64 value into the input panel.
- 2. Choose encode or decode mode and the appropriate URI or component setting.
- 3. Review the live output and use batch mode for multiple lines at once.
- 4. Copy the result for API testing, frontend debugging, or documentation.
Use Cases for Developers
This tool helps with API testing, query string debugging, frontend encoding issues, and quick inspection of encoded link values.
Batch and Preview Support
Switch into batch mode to process many inputs at once, and use the preview panel to confirm the result before sharing or exporting.
Frequently Asked Questions
Is this URL encoder / decoder free?
Yes. ToolClust’s URL encoder and decoder is free to use online with no installation or account required.
What does the tool support?
You can encode and decode URL strings, URI components, and Base64 values, with batch processing and live preview options.
Can I use batch mode?
Yes. Batch mode helps you convert multiple lines or entries at once, which is ideal for testing and developer workflows.
Does it help with JSON or API work?
Yes. The tool includes smart options for JSON detection, syntax preview, and quick inspection of encoded values used in web requests.
Is it safe for sensitive links?
The tool runs in the browser and is designed to keep your input and output local during normal usage, which helps preserve privacy.
Can I decode existing encoded URLs?
Yes. You can paste a URL, URI component, or Base64 string and switch modes to decode it instantly.
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