Convertisseur de taille de données
Convertissez KB, MB, GB et KiB, MiB, GiB.
Enter a value to convert instantly between data sizes. Decimal units (KB, MB, GB, TB) use powers of 1000, while binary units (KiB, MiB, GiB, TiB) use powers of 1024. Everything runs locally in your browser.
Les unités décimales (KB, MB, GB, TB) utilisent 1000 ; les unités binaires (KiB, MiB, GiB, TiB) utilisent 1024.
Votre saisie est traitée localement dans votre navigateur — rien n'est envoyé, stocké ni journalisé.
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Comment ça marche
- 1 Type a value.
- 2 Pick the units to convert from and to.
- 3 Copy the result, or Swap to reverse.
Cas d'usage courants
- Convert file sizes.
- Compare KB and KiB.
- Estimate storage or bandwidth.
- Check download sizes.
Questions fréquentes
Is my input sent to a server?
No. Every calculation runs locally in your browser — your input is never uploaded, stored or logged.
What's the difference between KB and KiB?
1 KB (kilobyte) = 1000 bytes (decimal). 1 KiB (kibibyte) = 1024 bytes (binary). Operating systems often label binary sizes with decimal symbols, causing confusion.
How many bits in a byte?
8 bits = 1 byte.
Is it really free?
Yes — free, with no signup and no limits.