File & Storage Tools
Browser-side file integrity and storage analysis tools. Compute SHA-256 and MD5 cryptographic hashes on files using native Web Crypto APIs with zero server transmission, and compare file sizes across decimal and binary units.
Available File & Storage Tools (2)
File Checksum Verifier & Hash Calculator
Calculate and verify MD5, SHA-1, SHA-256, and SHA-512 cryptographic checksums on local files to detect corruption.
File Size & Storage Comparison Tool
Compare file sizes side-by-side, calculate exact byte savings percentage, and convert between KB, MB, GB, and TB.
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Image Tools
Compress, resize, convert, crop, and optimize images locally in your browser.
PDF Tools
Merge, split, rotate, convert, and organize PDF documents securely on your device.
Developer Tools
Format JSON, inspect JWTs, test regular expressions, encode Base64, and generate hashes.
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Preview SERP listings, analyze keyword density, generate robots.txt, and build Schema markup.