Convertisseur de bases numériques
Enter a number in any base from 2 to 36 and see it in binary, octal, decimal, hexadecimal and base 36. It handles very large numbers exactly. Students and programmers use it for computer science homework and debugging.
Fonctionne dans votre navigateur. Vos fichiers ne quittent jamais votre appareil.
- Binary (2)11111111
- Octal (8)377
- Decimal (10)255
- Hexadecimal (16)FF
- Base 3673
Comment ça marche
- 01Type the number.
- 02Choose the base it is written in.
- 03Copy any of the converted results.
Questions
How large a number can I convert?
Very large. It uses exact big-integer arithmetic.
Do I need a prefix like 0x?
No. Just type the digits and pick the base.
Why is my number marked invalid?
It contains a digit that does not exist in that base, such as 2 in binary.
Is my file uploaded to a server?
No. Everything happens inside your browser on your own device. Your files are never sent to us or anyone else.
Is it free?
Yes. It is free to use, with no signup, no watermark and no daily limit.