PDF & Document
File Toolkit
Check file checksums, build or open ZIP archives, and encode files to Base64 without uploading.
Files are read and processed locally in your browser. Nothing is uploaded.
File checksum
Hash a file locally, then compare the result with a published checksum.
MD5
SHA-1
SHA-256
ZIP archive
Create a ZIP from selected files or inspect an archive without uploading it.
File to Base64
Encode a local file as Base64 or a data URI. Useful for embedding small assets.
Duplicate file finder
Hash selected files locally and group identical content. Up to 100 files per scan.