ekofyi
Liveencodingshipped v1.0.0

Byte Size Calculator

Calculate the byte size of text content in different encodings and compression formats. See UTF-8, UTF-16, Base64, and estimated gzip/brotli sizes. Useful for checking payload sizes against API limits, estimating bandwidth, and optimizing data transfer.

bytessizeutf8gzipencodingpayload

Unit converter

B
1,048,576
KiB
1,024
MiB
1
GiB
0.001
TiB
9.54e-7
PiB
9.31e-10

Text byte counter

chars
0
UTF-8 bytes
0 (0 B)
UTF-16 bytes
0
ASCII safe
yes

Transfer time at common speeds

56k modem2.5 min
10 Mbps839 ms
100 Mbps84 ms
1 Gbps8 ms
10 Gbps1 ms

🔒 Note: KB (1000) vs KiB (1024). MacOS uses decimal, Windows uses binary.