Security
Hashes, tokens, encoding and inspection — with a strict no-network guarantee you can verify.
27 of 36 live · the rest ship in waves, each unit-tested in public.
Data1
- Data anonymizer
Mask PII columns before sharing
Developer10
- AES encrypt/decrypt
Password-protect text and files locally
- File checksum verifier
Confirm a download matches its published hash
- HAR analyzer
Inspect browser network exports
- Hash generator
MD5 / SHA-1 / SHA-256 / SHA-512 for text and files
- Invisible character detector
Find zero-width and homoglyph characters
- JWT decoder
Decode header/payload, verify signatures
- Passphrase generator
Diceware-style memorable phrases
- Password generator
Rules, pronounceable mode, bulk
- RSA key generator
Key pairs via WebCrypto
- TOTP generator
2FA codes from a secret, fully client-side
Documents1
- Redact PDF
True content removal, not black boxes
Files & Privacy16
- CSP builder
Content-Security-Policy generator and analyzer
- Document metadata scrubber
Strip hidden data from DOCX, XLSX, PDF, images
- Encrypted file share
End-to-end encrypted links with expiry
- File encryptor
AES-GCM password protection, fully offline
- File type identifier
Detect the real type from bytes
- Hex viewer
Inspect binary files
- JWT security linter
alg=none, weak keys, expiry checks
- One-time secret
Share a password that self-destructs after reading
- Password strength auditor
zxcvbn score with a crack-time story
- PGP toolkit
Encrypt, decrypt, sign with OpenPGP.js
- Phishing URL analyzer
Unmask shorteners, punycode, redirect chains
- PII detector
Find emails, phones, PAN, Aadhaar patterns in text
- Pwned password check
k-anonymity lookup; the hash never leaves the browser
- Sandboxed HTML preview
Open suspicious HTML attachments safely
- Secret scanner
Paste code or logs, find API keys and tokens
- Security headers grader
Scan a site's response headers
Images & Media3
- EXIF remover
Strip metadata for privacy
- EXIF viewer
All metadata including GPS
- Redact image
Blur or pixelate regions before sharing
References1
- Common ports
Service to port lookup
Web & SEO4
- CSR / certificate decoder
Paste PEM, read every detail
- Email header analyzer
Trace the received path and auth results
- HTTP header inspector
Response headers with a security grade
- SSL certificate checker
Expiry, chain, SANs for any domain