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Universal Encoding Toolkit

Data URI Generator

Turn images into embeddable data: URLs for CSS and HTML — locally.

Privacy-first — encode and decode entirely in your browser. Nothing is uploaded to FreeConverter.

Encoding Options

Or paste a data URI / Base64 below into the optional note field after upload. Preview shows for images.

Output

Results will appear here…
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How It Works

Encode, decode and inspect encodings without leaving your browser.

1
⎘

Paste or upload

Paste text or drop a TXT/file. Nothing is uploaded to our servers.

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2
⚙

Encode or decode

Live convert with swap Encode ⇄ Decode. Auto-detect where applicable.

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3
⇩

Copy or download

Export TXT or JSON instantly from your browser.

Your data stays on your device — convert locally with live encode/decode.

About Data URI Generator

Upload an image (or any file) and generate a data URI (data:[mime];base64,...) with preview and size/growth stats — fully in your browser. Part of FreeConverter’s Universal Encoding Toolkit.

FAQs

No. The Universal Encoding Toolkit runs entirely in your browser. FreeConverter servers never receive your input.

Developers, pentesters, API engineers, email admins, SEO experts and students needing fast encode/decode workflows.

Yes. FreeConverter.app browser encoding tools are free to use.