File Hash Checksum
Network & Ops · Free Online Tool
Drop a file to compute SHA-1, SHA-256, SHA-384 and SHA-512 checksums.
Drag and drop a file here, or click "Choose File"
Files are processed locally — never uploaded
Web Crypto
Uses crypto.subtle.digest for fast, hardware-accelerated hashing.
Drag & Drop
Drop a file anywhere on the zone — or click to browse. All four hashes compute in one pass.
Fully Private
Files are read with the File API and hashed in memory — nothing is sent to any server.
How to Use File Hash Checksum
- 1Enter the URL, IP address, or network parameter to look up.
- 2Click the lookup or test button.
- 3Review the detailed results in the output panel.
- 4Use the information for your network operations.
Features
- ✓100% free — no signup, no subscription, no ads
- ✓Runs entirely in your browser — data never leaves your device
- ✓Fast and lightweight — instant results
- ✓Cross-platform — works on desktop, tablet, and mobile
Frequently Asked Questions
Are network lookups real-time?
Yes, IP lookups, DNS queries, and HTTP tests perform live network requests to provide current data.
Is my IP address logged?
The IP Lookup tool queries public geolocation APIs. We do not store your IP address or lookup history.
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Learn the concept
Learn the concept
Understand the programming ideas behind this tool.