Base64 Encoder & Decoder

Encode plain text to Base64 or decode Base64 strings back to UTF-8 text.

source_text.txt
workspace source_text.txt
Ln 1, Col 1 0 chars
UTF-8 Plain Text
base64_encoded.txt
output base64_encoded.txt
Ln 1, Col 1 0 chars
Ready Base64

How to Use Base64 Encoder & Decoder

Follow these 3 simple steps to use this free tool directly in your web browser:

Select or Drop Input

Choose your files, drag and drop into the workspace, or paste your input code directly.

Process & Customize

Preview the results instantly, adjust any formatting or compression parameters to your liking.

Download & Save

Download your converted files in high quality or copy the processed output to your clipboard.

Frequently Asked Questions

Yes! Base64 Encoder & Decoder is 100% free with unlimited usage. There are no subscriptions, fees, watermarks, or account registration requirements.

No. All conversions and processing occur entirely on the client-side inside your browser. Your files never touch our servers and never leave your computer or smartphone.

Our tool is universally compatible with all modern browsers including Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge, and mobile browsers on iOS and Android.

There are no strict server quotas or artificial daily limits. Since processing happens on your local hardware, you can process files as often as needed.
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