Base64 Decoder
How to decode Base64 to plain text
- Drop or select a .txt,.b64 file(s).
- The tool decode Base64 to plain text locally using your browser — no server upload.
- Download the converted .txt file instantly.
Why convert locally?
Your .txt,.b64 files are processed entirely in browser memory. Nothing is sent to a server, stored in a database, or retained after you close the tab. This makes local conversion ideal for sensitive data, proprietary configs, and private media.
Frequently asked questions
Is this Base64 to text converter free?
Yes. Every tool on convert.logicapplabs.com is free to use with no account required.
Are my files uploaded to a server?
No. All conversions run 100% client-side in your browser. Your files never leave your device.
What file size limits apply?
Limits depend on your browser and device memory. For very large files or batch jobs, consider ConvertLogic Pro for offline batch processing.