What is Base64?
Base64 represents binary bytes using text characters so data can be embedded or transported through text-based systems.
Base64 File Encoder & Decoder
Turn a file into Base64 text, or convert Base64 text back into file bytes.
Encode or decode Base64
Choose a file to encode, or paste Base64 text to decode.
How to use Base64 File Encoder & Decoder
- Choose a file and select Encode file, or paste Base64 text into the box.
- For decoding, enter the desired output filename.
- Select Decode & download.
Common questions
Does Base64 make files smaller?
No. Base64 usually makes the textual representation larger than the original binary file.
Can I decode a data URL?
Yes. Standard data URLs containing Base64 are supported.