Base64 Encode / Decode
Encode text or files to Base64, or decode Base64 strings back to text or downloadable files. All in your browser.
About this Base64 Encode/Decode tool
This free Base64 encoder and decoder lets you convert text or binary files to Base64 and decode Base64 strings back to readable text. Everything runs locally in your browser — no data is sent to any server.
What is Base64?
Base64 is an encoding scheme that converts binary data into ASCII text using 64 characters (A–Z, a–z, 0–9, +, /). It is commonly used to embed images in HTML/CSS, transmit data in JSON APIs, and store binary data in text-based formats.
FAQ
Can I encode files to Base64?
Yes. Drop any file into the file upload area and the tool will output its Base64-encoded content.
Is Base64 encryption?
No. Base64 is encoding, not encryption. It can be decoded by anyone — do not use it to hide sensitive data.