Base64 Encoder

Encode text to Base64 or decode Base64 strings back to readable text. Useful for data URLs, API payloads, email encoding, and debugging.

Files never leave your device Always free No server uploads No sign-up No watermarks

Processing happens on your device — nothing is uploaded.

How It Works

Paste your text or data

Enter plain text to encode to Base64, or paste a Base64 string to decode back to text.

Output appears live

The encoded or decoded result updates in real time with no button press needed.

Copy the result

Click Copy to grab the output. Everything runs in your browser — nothing is sent anywhere.

Frequently Asked Questions

What is Base64 Encoder?

Base64 Encoder is a free, browser-based tool on TitanFile that lets you encode text to Base64 or decode Base64 strings back to readable text. Useful for data URLs, API payloads, email encoding, and debugging. Everything runs locally on your device — no files are ever uploaded to any server.

How do I use Base64 Encoder?

Open the Base64 Encoder page, add your file or enter your data, adjust any settings, then click the action button. Your result is ready instantly — no sign-up or installation required.

Are my files private?

Yes — all processing happens entirely in your browser using JavaScript. Your files and data never leave your device and are never uploaded to any server. We cannot see your files even if we wanted to.

Does this work offline?

Once the page has loaded, Base64 Encoder works without an internet connection. You can install it as a PWA to your home screen for instant offline access.

Is there a file size limit?

There is no server-side limit because everything runs locally in your browser. The practical limit is your device's available memory. Most modern devices handle files up to several hundred MB without issue.

Why is this free?

TitanFile is ad-supported and passion-driven. We believe powerful tools should be accessible to everyone. Base64 Encoder — like every tool on TitanFile — will always be free with no paywalls, watermarks, or hidden fees.