Toolbox
File Checksum (MD5 / SHA-256)
Drop files here, or click to choose
Multiple files supported; large files are read in chunks (MD5 shows progress)
No files yet
MD5 via spark-md5, SHA-1/SHA-256 via the native Web Crypto API; all digests are lowercase hex
Drop files to compute MD5, SHA-1 and SHA-256 in one pass, then paste the published checksum to confirm a download is intact and untampered.