File To Base64 Converter
This file to base64 converter encodes any file you choose into a Base64 string, optionally as a data URI. It runs entirely in your browser, so results are instant and nothing you enter is uploaded.
Your input is processed locally in your browser and is not uploaded or stored.
What this tool does
Reading a file and encoding its bytes as Base64. This file to base64 converter is free, works on desktop and mobile, and requires no sign-up.
Also useful for: audio to base 64, blob to base 64, byte array to base 64, byte array to base 64 string, convert byte array to base 64, convert crt to base 64, convert rtf to base 64, convert word doc to base 64.
Features
- Handles file to base64 converter with instant, in-browser results
- No account, no upload and no usage limits
- Copy or download results in one click
How to use it
- Enter your input for the file to base64 converter
- Read the result as it updates
- Copy or download what you need
Common uses
- Everyday file to base64 converter work
- Quick checks while coding or writing
- Learning how the format behaves
Good to know
- For very large inputs, processing speed depends on your device
Frequently asked questions
Is the file to base64 converter free to use?
Yes. Every tool on the site is free, needs no account and has no usage limits.
Is my data uploaded anywhere?
No. The tool runs entirely in your browser, so your input never leaves your device.