Do Not Track Tester
Check if your browser sends Do Not Track (DNT) and Global Privacy Control (GPC) signals correctly.
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Create QR codes for URLs, text, Wi-Fi credentials, vCards, and more with customizable size and colors.
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Scan and decode QR codes from uploaded images or your device camera to extract embedded data.
File Checksum Calculator
Compute MD5, SHA-1, SHA-256, and SHA-512 checksums to verify file integrity and detect tampering.