How do I encode a file to Base64?

Upload your file, start the conversion, then copy or download the generated Base64 string.

Can I encode binary files to Base64?

Yes. The generic Base64 encoder supports binary files as long as they are within your current plan limits.

Do I get a TXT download?

Yes. After encoding, you can download the Base64 result as a TXT file.

Base64 Encoder Online Free

Base64 Encoder

Upload a file and convert it into a raw Base64 string you can copy, inspect, and download as text.

Quick answer

Base64 Encoder lets you encode Base64 content online. Use it for file transport, API payloads, previews, or restoring downloadable files from Base64 text.

Images, PDF, Word, Excel, text files, and binary filesSupported input for this page.

Raw Base64 string with file informationOutput returned after processing.

10MB / 25MB / UnlimitedGuest, Registered, and Pro plan limits.

Base64 Encoder

Upload a file, click Encode, then copy or download the Base64 output.

5 free tries on this tool

Drop files here

Select file

Paste Base64

How it works

Upload a file, click Encode, then copy or download the Base64 output.

FAQ

What input is supported?

Images, PDF, Word, Excel, text files, and binary files.

What result do I get?

Raw Base64 string with file information.

Is this free to use?

Yes. Guest and registered users can use the tool within their daily per-tool tries and file-size limits.

Tool notes

Guest users can process files up to 10MB.
Registered users can process files up to 25MB.
Pro users have unlimited file size.
Every page uses the same job queue, storage, and download workflow.