Base64 Encoder
Base64 Text Encoder Online.
How to Base64 Encoder Online for Free
1
Select your files
Click the Upload button or drag & drop your files into the upload box.
2
Configure options
Adjust specific settings, arrange file order, or make edits in the interactive preview.
3
Save & Download
Click the Base64 Encoder button to finish and download your file instantly.
Frequently Asked Questions
Is using Base64 Encoder safe and private?
Yes, 100%! All file processing takes place right inside your browser using client-side WebAssembly and JavaScript. Your files are never uploaded to any remote server or stored in the cloud.
Is there any fee or file limit?
No. SemrushAI PDF Tools is completely free to use with unlimited operations. There are no subscriptions, paywalls, or hidden charges.
Can I use this on mobile phones or Mac?
Absolutely! The tool runs smoothly on any modern web browser across Windows, macOS, Linux, Android, and iOS.