Free Multi-Character ASCII, Hex, Binary & Unicode Converter

Convert Text to ASCII, Hex, Binary & Unicode

Convert text instantly between ASCII, hexadecimal (Hex), binary, Unicode and HTML entities. Everything runs locally in your browser with no uploads.

Who is it for? Built for web developers, computer science students, writers, and digital creators who need to inspect characters, calculate data weights, or escape HTML code.

🔒 Privacy First
All conversions are processed locally in your browser. Your text is never uploaded, stored, or shared.

✓ Text ↔ ASCII ✓ Text ↔ Hex ✓ Text ↔ Binary ✓ Unicode ✓ HTML Entities ✓ Browser-based

Conversion Workspace

Total Characters: 5 Data Size: 5 Bytes

Try Samples:

Plain Text / Words

Accepts text, emojis, and international scripts.

Decimal Array (Base-10)

Character index values separated by spaces.

Binary Array (Base-2 / Bits)

Computer code sequences (8-bit blocks separated by spaces).

Hexadecimal Array (Base-16)

Short codes used commonly in web layout setups and engineering.

Unicode Notation

Standard universal notation keys (U+XXXX).

HTML Entities

Safe formatting codes to display symbols inside text code blocks safely.

Frequently Asked Questions

How does the auto-convert work?

Simply type or paste your data into any box. The tool reads your input instantly and changes all other formats automatically. You do not need to click a convert button.

What is the difference between Characters and Bytes?

A character is a single visual symbol (like a letter or emoji). A byte is the amount of storage memory it takes up. Standard English letters take 1 byte, local Asian language scripts take 3 bytes, and large emojis can take up to 4 bytes!

Is my data safe here?

Yes. This tool operates 100% inside your web browser. No text or private data is ever sent to an external server or saved online.

Learn About Character Encoding

What is ASCII?

ASCII is a standard character encoding for English letters, numbers and symbols. For example, the letter A is ASCII decimal 65 and hexadecimal 41.

ASCII vs Unicode

ASCII supports 128 basic characters, while Unicode supports virtually every modern writing system, including Khmer, Chinese, Japanese and emoji.

Common Uses

Software and web development
Cybersecurity and digital forensics
Embedded systems (Arduino, ESP32)
API debugging and networking
Learning character encoding

Example Conversion

Text	ASCII	Hex
A	65	41
Hello	72 101 108 108 111	48 65 6C 6C 6F

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