Base64 Encoder/Decoder
Encode to or decode from Base64 format.
100% In-Browser • Zero Uploads
No Login Required
About Base64 Encoder/Decoder
Easily translate plain text into Base64 encoded strings, or reverse the process to read an encoded string. Great for debugging APIs.
100% Client-Side
Your files and data are processed locally in your browser memory. Never uploaded to remote servers.
Zero Login Required
Instant access with no account, no email sign-up, no passwords, and no subscription paywalls.
Instant Speed
Powered by modern WebAssembly and native web APIs for near-instant rendering and zero latency.
Privacy Guaranteed
Zero data retention, no user tracking cookies, and GDPR/HIPAA friendly. Your data remains strictly yours.
All Devices Ready
Fully responsive on desktop, tablet, and mobile devices without installing software or extensions.
How to Use
- Paste your text or Base64 string.
- Choose Encode or Decode.
- The result updates automatically.
- Copy the output.