Hash a file locally
File hashes help verify download integrity, compare forensic samples, or confirm whether two files are identical.
LOCAL CTF TOOL
File SHA-256 Checksum
Select a local file and calculate its SHA-256 digest in the browser without uploading its contents.
INPUT ·
LOCAL ONLY
OUTPUT
Privacy first
Input is processed in your current browser and is not uploaded.
Common questions
How does this tool work?
The operation runs in your browser.