TXT to B64 Converter

Convert plain text (.txt) to Base64 (.b64) in your browser when possible. UniConvert is come-convert-leave: no account and no permanent file library.

Open the interactive TXT to B64 Converter (loads automatically when JavaScript is available).

How to convert TXT to B64

Step 1. Choose a .txt file from your device (or paste text when the format allows).
Step 2. Confirm the output format is .b64 — this page is already set to TXT → B64.
Step 3. Start the conversion, then preview, copy, or download the .b64 result. Nothing is kept for later.

Why convert TXT to B64 here

TXT → B64 can run locally in the browser for this pair when the engine is registered.
Category: Developer Utilities — Encoding, hashing helpers, and developer-friendly text transforms.
No signup, no subscription, and no permanent storage of your files on UniConvert.
Status: available now.

TXT to B64 FAQ

Is this TXT to B64 converter free?

Yes. UniConvert does not require an account for TXT → B64. Ads may appear to keep the site free.

Do you store my plain text files?

Browser conversions stay on your device. We do not keep a permanent file library.

What is the difference between .txt and .b64?

.txt is treated as the input format and .b64 as the output. Use this page when you specifically need plain text → Base64 rather than a generic upload form.

Can I convert other formats in Developer Utilities?

Yes — open the Developer Utilities category for other pairs, or use Convert a file to pick any available source and target.