Base64 Encode / Decode - Text & Image
Free Base64 tool. Encode/decode text or images to/from Base64 locally in your browser, with UTF-8 Chinese support. 100% local, no upload.
About 编码 / 开发
Encode/decode text & images to Base64 locally, Chinese supported. This tool runs entirely in your browser locally — no file upload, your privacy is protected, and speed is unaffected by network.
FAQ
Will my files be uploaded?
No. All processing happens locally in your browser; files never leave your device.
Which formats / scenarios are supported?
base64 encode, base64 decode, online base64, encode decode, image base64 and more can be done on this page.
Do I need an internet connection?
After the page loads, conversion/computation runs locally and works offline (except features relying on external fonts/libraries).