What is URL to Base64?
URL to Base64 Converter encodes URL strings into Base64 format.
How to use URL to Base64
Paste a URL string to generate Base64 output.
Key features
- Encodes URLs to Base64
- 100% client-side
Common use cases
- Safe URL parameter passing inside web payloads
Technical details & standards
Encodes URL strings client-side.
Frequently asked questions
Should I use URL-safe Base64?
Yes, URL-safe Base64 replaces + and / with - and _.
Is my data safe?
All processing happens entirely in your browser. Your data never leaves your device and is never sent to or stored on a server.
Does it work offline?
Yes. Once the page has loaded, most tools keep working without an internet connection.