Security & Crypt

Explore 5 Security & Crypt tools and finish common tasks quickly in your browser.

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NEW Security & Crypt

Taiwan National ID & Resident Certificate Validator (身分證/居留證)

Validate Taiwan National ID numbers (身分證) and Alien Resident Certificates (ARC / 居留證). 100% client-side privacy-first validation with zero tracking or uploads.

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Security & Crypt

Password Strength & Leak Analyzer (HIBP Breach Check)

Check password entropy, estimate crack time, and securely test if leaked in historical breaches.

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Security & Crypt

Password Generator - Strong Random Password & UUID Generator

Generate strong passwords and check crack time offline.

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Security & Crypt

Cryptographic Hash Generator

Calculate MD5, SHA-1, SHA-256, and SHA-512 hashes for texts and local files instantly.

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Security & Crypt

Universal File Metadata Purger

Scrub metadata from images (EXIF/GPS) and office documents (PDF/Word) 100% locally in your browser to protect privacy.

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