Key features
- Encode images, PDFs, JSON, spreadsheets, and binary files.
- Decode raw Base64 or full Data URLs.
- Inspect detected MIME type, format, validity, and approximate size.
- Copy clean Base64, save text output, or download rebuilt files.
Base 64 file utility
Base64 Converter Online
The Base64 converter helps encode files into Base64 text and decode Base64 or Data URLs back into downloadable files. It also covers common searches such as base 64 converter, converter base 64, and converter 64.
Related tools
Practical use cases
- Encode a file to Base64
- Decode Base64 into a file
- Inspect Data URLs
- Check detected MIME type
Frequently asked questions
What is Base64 used for?
Base64 represents binary data as text for transport in APIs, HTML, CSS, or configuration fields.
Can I decode a Data URL?
Yes. Paste a full data:...;base64,... URL and the tool detects the payload and MIME type.
Does Base64 make files smaller?
No. Base64 usually increases size, but it makes binary data safe to store or send as text.
Is base 64 converter the same as Base64 converter?
Yes. Base 64, base64, converter base 64, and converter 64 usually refer to the same encode and decode workflow.