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Base64 Encode and Decode (Text, Image, File)

Encode text to Base64 or decode a Base64 string to readable text (UTF-8, Arabic included). Upload an image or file to get its Data URI to embed directly in HTML, CSS or emails.

🔗 Direct link sahlify.uk/en/base64-encoder-decoder/

How does it work?

Type or paste your data.
The result appears instantly.
Copy or download the result.

Why use Base64 Encoder / Decoder?

✓ 100% free, no limits, no watermark
✓ No sign-up, no install
🔒 Files processed locally: full privacy
📱 Works on desktop, tablet and mobile

Frequently asked questions

Is Base64 encryption?

No, it's a simple reversible encoding: it doesn't protect data.

Why is the file bigger in Base64?

Base64 encoding increases size by about 33%.

Is my data uploaded?

No, encoding and decoding happen in your browser.

Are Arabic characters handled?

Yes, text is encoded as UTF-8 before conversion.

Is this tool really free?

Yes, 100% free, with no sign-up, no watermark and no usage limit.

Are my files safe?

Yes. Processing happens directly in your browser: your files are never uploaded to a server or stored.

When to use it

Base64 lets you embed a small image directly in CSS or an HTML email (Data URI), send binary data in JSON, read an authentication header or decode a value from an API.

Our tips

💡 Base64 increases size by about 33% — use it for small images (icons).
💡 It is not encryption: never hide passwords in it.
💡 For a JWT, decode the header and payload separately.