How it works
How to use File to Base64 online
- Choose the file or files requested by the tool.
- Adjust any available settings for the output you want.
- Run the tool in your browser and download the finished result.
Data tool
File to Base64
Encode a file or pasted text as Base64.
Add your input
Your file stays in this browser.
Good to know1 file · 100 MB max
Upload a any file file or paste textResult: text files
- Your file stays in this browser while the tool runs.
- Large table previews are capped; downloads keep the complete processed output.
Overview
File to Base64 for private browser work
Encode a file or pasted text as Base64. This page keeps the input, output, browser requirements, and practical limits visible before you run the tool, so you can choose the right workflow for the file.
Input
Upload a any file file or paste text
Output
text files
Limits
1 file · 100 MB max
Best for
File to Base64 use cases
- Turn upload a any file file or paste text into text files without creating an account.
- Run a quick file to base64 job before sharing, archiving, or publishing a file.
- Check the 1 file · 100 mb max guidance before using larger or unusual inputs.
Processing
What happens in your browser
PrivConvert uses native Base64 for this workflow. No setup needed. No special browser capability is required for typical inputs
Your file stays in this browser while the tool runs.
Related tools
Keep working with this file
FAQ
File to Base64 questions
Is File to Base64 free to use?
Yes. This tool is free to use in your browser and does not require an account.
Are my files private?
PrivConvert is designed for local-first processing. Files are handled in your browser when supported and are not uploaded for account-based storage.
Why might a file fail to process?
Your file stays in this browser while the tool runs.