How to use Base64 Converter
- Start by adding the text or data you want to convert into Base64 Converter.
- Tune the Mode control before you convert.
- Base64 Converter updates the output automatically as you type.
- Finish by choosing Copy to take the output with you.
About this tool
Base64 Converter runs entirely in your browser. Base64 Converter converts between raw data and Base64 in your browser, handling text or files locally.
Because it runs locally, even sensitive payloads never leave the page. It behaves the same on desktop and mobile, with nothing stored remotely.
Frequently asked questions
What is Base64 Converter for?
Base64 Converter runs entirely on your device: add your input using the Mode control, and it converts it locally in real time.
Do I need an account for Base64 Converter?
No — Base64 Converter needs no account, sign-up or installation.
Does Base64 Converter upload my data?
No — Base64 Converter processes everything locally in your browser, so nothing you enter is uploaded or stored.
Is Base64 in Base64 Converter URL-safe?
Base64 Converter uses standard Base64 by default and runs locally, so your data is never sent anywhere.
Does Base64 Converter work on mobile?
Yes — Base64 Converter is just a web page and runs on any modern browser, including phones and tablets.