File to Base64
Encode any file as a Base64 data URI
- Processed client-side in your browser — files never leave your device.
- Free, with no signup, account, or usage limits.
- Works on any modern browser, including mobile.
About this tool
File to Base64 helps you encode any file as a Base64 data URI. Processing runs locally in your browser — your input is not uploaded to ThothBox.
How to use
- Open File to Base64 and paste or type your input.
- Choose any options that affect the output.
- Run the tool or watch the live result update.
- Copy or download the output.
FAQ
What does File to Base64 do?
Encode any file as a Base64 data URI.
Is File to Base64 private?
Yes for typical use: input is processed in your browser and is not uploaded to ThothBox.
Is File to Base64 free?
Yes. It is free to use with no signup required.
How do I use File to Base64?
Open the File to Base64 tool, then open File to Base64 and paste or type your input.