How to use the Base64 String Generator
Generate a base64 string generator instantly, fairly, and privately. The controls and result are provided on one page so the task can be completed without an account or uploading the input.
When and why to use it
Use it to create Base64-formatted sample data for development and encoding exercises.
Example
Generate a sample value to test the width and validation of a form field.
Step-by-step instructions
- 1
Choose an appropriate length and enable the character or word options required by the destination service.
- 2
Select Generate and review the result against the settings you entered.
- 3
Check the result, then copy, print, or export it only if it is suitable for your purpose.
How randomness and fairness work
Generation uses the Web Crypto API in your browser. Each character or word position is selected independently from the active source set; the result is generated locally.
Limitations
Base64 is encoding rather than encryption, and the output should not be assumed secret.
Questions about the Base64 String Generator
Is the Base64 String Generator free to use?
Yes. It can be used without an account or payment, and generation takes place in your browser.
Can I rely on every Base64 String Generator result?
Treat the output as a neutral generated result, not professional advice or independent verification. Base64 is encoding rather than encryption, and the output should not be assumed secret.