Convert to BASE64 — Free
Files convert instantly in your browser — 100% private, any file size, no account needed.
How to convert to BASE64
Use BoltConverter to quickly convert any file into a Base64 string. This free online tool makes it simple to encode your data for various web and programming needs. Get your Base64 output fast and securely.
Base64 encoding transforms binary data into an ASCII string format, making it suitable for text-based systems like email or HTML. Your files are processed server-side and are immediately deleted after conversion, ensuring your privacy.
Upload Your File
Click the "Upload File" button or drag your file into the designated area.
Start Conversion
Once uploaded, click the "Convert" button to begin the Base64 encoding process.
Wait for Processing
BoltConverter will process your file on our secure servers.
Download Base64
Your Base64 encoded string will appear, ready for you to copy or download as a text file.
Frequently asked questions
Is BoltConverter's Base64 conversion tool free to use?
Yes, BoltConverter offers this Base64 conversion tool completely free of charge for all users.
How long does BoltConverter store my files after conversion?
Your uploaded files are processed server-side and are immediately deleted from our servers after the Base64 conversion is complete.
Is there a file size limit for Base64 conversion?
Yes, the current file size limit for Base64 conversion on BoltConverter is 100 MB.
Does converting to Base64 affect the quality of my data?
No, Base64 encoding is a direct data representation, so it does not alter or degrade the original quality of your file's content.
Can I convert multiple files to Base64 at once?
Currently, BoltConverter supports converting one file at a time to Base64. Please process files individually.