Chinese Telegraph Code
Unihan DB
Bidirectional lookup and conversion for Chinese Commercial Codes, with Simplified & Traditional support for DS-160 visas and HKID.
⚡ LigTools
Lightning-fast, minimalist, and 100% secure utilities
for developers, travel compliance, and global finance.
No data ever leaves your browser.
⚡ PRO DEV & CLOUD
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Developer & Cloud Security Hub
AWS IAM Auditor, DynamoDB JSON Converter, Log PII Redactor, and YAML Formatter. 100% in-browser AST & zero server uploads.
🌍 TRAVEL & EXPATS
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Travel, Visa & Global Living Hub
DS-160 Biometric Photo Cropper, ICAO 9303 Passport MRZ Validator, Chinese Telegraph Codes, and Real FX Fee Calculator.
Visa & Passport Photo Cropper
🔒 Zero Upload
Validate official biometric head height, white background, and 240 KB limits for US DS-160, Schengen, and passport photos.
Passport MRZ Validator & Generator
ICAO 9303
Decode, validate 7-3-1 checksums, and generate ICAO Doc 9303 Machine Readable Zones for passports, ID cards, and visas.
Remittance & FX Fee Calculator
Mid-Market
Expose hidden bank exchange rate markups and compare real net payouts across Wise, wire transfers, and PayPal.
AWS IAM Policy Security Auditor
AST Linter
Audit wildcard permissions, privilege escalations, and resource exposure with 100% private in-browser AST static analysis.
Log PII & Secret Redactor
🔒 100% Offline
Mask AWS keys, JWT tokens, emails, IPs, cards, and phone numbers in logs and configs before sharing to AI or tickets.
DynamoDB JSON Converter
Type Unmarshal
Marshall and unmarshall AWS DynamoDB JSON to standard objects instantly.
JSON ⇄ YAML Converter
K8s / Compose
Cleanly convert standard payload structures into readable configuration files bidirectionally with zero cloud upload.
JWT Token Inspector & Key Verifier
Web Crypto
Decode JSON Web Tokens, inspect expiration claims, and verify HMAC/RSA signatures locally with zero cloud upload.
Schengen 90/180-Day Visa Calculator
90/180 Rule
Calculate legal Schengen stay allowance under the official 90/180-day rolling rule. Plan multi-entry trips and prevent overstay fines.
Printable Calendar & Planner Generator
Vector Print
Generate clean, ink-saving printable monthly, yearly, and weekly calendar sheets in A4 & US Letter with zero cloud upload.