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Text to Hex / Binary / ASCII Converter

Free Convert

Convert text to Hex, Binary, ASCII, Base64, and other encoding formats.

Privacy-first: All processing happens in your browser. Your text is never uploaded to any server.
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Enter text to see conversion

Results update in real-time

Shortcuts: Ctrl+Enter Convert Ctrl+S Swap Ctrl+Shift+C Copy Ctrl+K Clear
Features

Everything You Need

Powerful features designed to make your text work easier and faster.

Text to Hex

Convert each character to its hexadecimal representation. "AB" becomes "41 42" with space-separated bytes.

Hex to Text

Paste hex values and convert back to readable text. Supports space, comma, or no separator formats.

Text to Binary

Convert text to 8-bit binary. "Hi" becomes "01001000 01101001" — perfect for learning binary encoding.

Binary to Text

Paste binary strings and decode them back to text. Handles space-separated or continuous binary.

Text to ASCII Codes

Get the decimal ASCII code for each character. "A" becomes "65" — useful for encoding reference.

ASCII to Text

Convert ASCII decimal codes back to characters. Enter "72 101" to get "He".

Text to Base64

Encode text to Base64 format. Perfect for data URIs, API payloads, and binary-safe transport.

Base64 to Text

Decode Base64 strings back to readable text. Handles standard and URL-safe Base64.

Text to URL Encoding

Percent-encode text for URLs. Spaces become %20, special characters are safely encoded.

URL to Text

Decode percent-encoded URLs back to readable text. "%20" becomes a space, "%3F" becomes "?".

One-Click Copy

Copy any conversion result with a single click. Each output has its own copy button.

Keyboard Shortcuts

Press Ctrl+Enter to convert, Ctrl+Shift+C to copy the active result, Ctrl+K to clear all.

How It Works

Simple as 1-2-3

No learning curve. Get results in seconds with our intuitive workflow.

1

Paste Your Text

Enter the text you want to convert into the input area.

2

Select a Format

Choose from Hex, Binary, ASCII, Base64, or URL encoding tabs.

3

Choose Direction

Toggle between encoding (text → format) and decoding (format → text).

4

Copy the Result

Your converted text appears instantly. Copy it with one click.

Use Cases

Who Is It For?

Designed for professionals, students, and creators across industries.

Developers

Encode strings for APIs, debug binary data, and convert between hex, Base64, and URL formats.

Debugging

Inspect raw byte values, decode Base64 tokens, and analyze character encoding issues.

Students

Learn how text is represented in binary, hex, and ASCII with instant live conversion.

URL Builders

Percent-encode query parameters and path segments for safe URL construction.

Benefits

Why Choose This Tool?

Real advantages that save you time and protect your privacy.

5 Encoding Formats

Hex, Binary, ASCII, Base64, and URL encoding — all in a single tool with bidirectional conversion.

Instant Conversion

Results update live as you type. No buttons, no waiting, no page reloads.

Error Handling

Invalid input is detected and shown with clear error messages — no silent failures.

Developer-Friendly

Space-separated output, monospace font, and copy buttons designed for quick dev workflows.

FAQ

Frequently Asked Questions

Everything you need to know about this tool.

What encoding formats are supported?
Five formats with bidirectional conversion: Hexadecimal, Binary, ASCII decimal codes, Base64, and URL percent-encoding. Each can convert text→format and format→text.
Can I convert very long text?
Yes. The converter handles text of any length. Very large inputs may take a moment but all processing is instant for typical use.
What happens if I paste invalid input for decoding?
The tool validates input and shows a clear error message if the input cannot be decoded. For example, invalid hex characters or malformed Base64 will trigger an error state.
Does it support Unicode characters?
Yes. All conversions support UTF-8 Unicode. Multi-byte characters are correctly encoded in hex and binary using their full byte representation.

100% Private. 100% Free.

This tool runs entirely in your browser. Your text is never uploaded to any server. No signup, no tracking, no hidden costs — forever.

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No Tracking
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