File to Base64
Encode a small file as Base64 text. Your inputs stay in this browser tab.
Your result
A little input. A useful result.
Your result will appear here.How to use file to base64
Encode a small file as Base64 text. This free tool runs locally after you choose to start.
- Choose supported files from your device.
- Check your selection before continuing.
- Choose the action button. Review the result, then copy text or download a file when available.
- Choose Clear all when finished to remove inputs and results from the interface.
Limits, without the small print.
Maximum 5 MB to keep the text output bounded.
One job runs at a time. You can cancel it; jobs stop after 30 seconds. Browser and device capabilities affect performance.
Understand the safeguards →A couple of useful answers.
Does file to base64 upload my data?
No. This tool processes your input in a browser worker. Your text and files are not sent to an application server. The static host receives page and asset requests; see our privacy explanation.
Is this tool free for work and study?
Yes. No account, paid API, usage subscription or watermark fee is required. You remain responsible for your content rights and checking results. Hosting providers and their free tiers are separate from this open-source software.
What should I check before relying on the result?
Maximum 5 MB to keep the text output bounded. Review important outputs against the source, especially financial, legal, identity, medical and research calculations.