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Universal Encoding Toolkit

Universal Converter

One paste — all encodings. Auto-detect Base64, Hex, URL encoding and more.

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

Tip: drag & drop a file onto this area.

Encoding Options

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 Universal Converter

Paste once and see Base64, Hex, Binary, ASCII, Unicode, URL and HTML encodings together. Auto-detect encoding type with confidence and entropy — 100% 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.