10 Free Binary Converter Tools Every Programmer Needs
Ten free converters cover almost every binary task: Text to Binary, Binary to Text, Decimal to Binary, Binary to Decimal, Hex to Binary, Binary to Hex, Decimal to Hex, ASCII to Binary, Binary to ASCII and Text to ASCII. Use the text tools for characters and the number tools for values.
The 10 converters
✓1. Text to Binary
💻 Turn any text into 8-bit groups. Best for: Learning, puzzles, encoding examples. Open Text to Binary
2. Binary to Text
Decode space-separated 8-bit groups back to text. Best for: Reading binary messages. Open Binary to Text
3. Decimal to Binary
Convert ordinary numbers to binary. Best for: Homework and networking. Open Decimal to Binary
4. Binary to Decimal
Turn binary back into a normal number. Best for: Checking manual conversions. Open Binary to Decimal
5. Hex to Binary
Expand hex bytes into bits. Best for: Colour codes, low-level debugging. Open Hex to Binary
6. Binary to Hex
Shorten long binary into hex. Best for: Reading memory and file data. Open Binary to Hex
7. Decimal to Hex
Convert numbers to hex. Best for: CSS colours, programming. Open Decimal to Hex
8. ASCII to Binary
Encode ASCII characters as bits. Best for: Learning character codes. Open ASCII to Binary
9. Binary to ASCII
Decode bits to ASCII characters. Best for: Data exercises. Open Binary to ASCII
10. Text to ASCII
See the ASCII code of each character. Best for: Debugging text encoding. Open Text to ASCII
Characters or numbers? Pick the right family
| You have… | You want… | Utiliser |
|---|---|---|
| Words or letters | Bits | Text to Binary |
| A number like 200 | Bits | Decimal to Binary |
| A colour code like FF5733 | Bits | Hex to Binary |
| Long binary | Something shorter | Binary to Hex |
| A character | Its code number | Text to ASCII |
Tips for accurate results
✓- Separate binary bytes with spaces when decoding text.
- Use an even number of hex digits (0F, not F).
- Remove prefixes such as 0x and # first.
- Convert back to double-check important results.
Open the Text To Binary on pdfseotools.com – free, no sign-up and it works on any device.
Questions fréquentes
Are these converters free?
Yes. All ten are free in the browser with no sign-up.
Which converter should a student start with?
Decimal to Binary and Binary to Decimal – they cover most school and exam questions.
Can I upload files?
The text-based converters accept pasted text, and several also accept a .txt file.
Why do Text to Binary and Decimal to Binary give different results for 5?
Text to Binary encodes the character "5" (ASCII 53 = 00110101). Decimal to Binary converts the value 5 = 101.
Do they work on mobile?
Yes, in any modern mobile browser.
Dois-je installer un logiciel ou créer un compte ?
Non. Tout s'exécute dans votre navigateur web sur Windows, Mac, Android et iPhone – rien à télécharger, rien à installer et aucun compte à créer.
Résumé
Character tools for text, number tools for values – and a quick reverse conversion to check. All ten are on the free binary converters page.
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