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Minimalist Online Utilities & Calculators

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Healthcare & Manufacturing

NPI Checksum Validator
HL7 / FHIR Viewer
ICD-10 & CPT Code Lookup
GTIN Checksum Validator
BOM Flattener
Tolerance Stack-up Calculator
ISO 9001 Document Generator
Lot Code Decoder

Aviation, Maritime & Finance

NOTAM Decoder
Airport Code Lookup
Flight Time & Fuel Calculator
N-Number & Mode-S Validator
ISO 6346 Container Validator
MMSI Lookup & Validator
IMO Ship Number Validator
Nautical Mile Converter
IBAN Validator
ISIN & CUSIP Validator
Luhn & VAT Calculator
Invoice Number Generator
Amortization Calculator
Depreciation Calculator

Barcode & 2D Matrix Suite

Data Matrix Generator/Reader
PDF417 Generator/Reader
Aztec Code Generator/Reader
Micro QR Generator/Reader
JAB Code Generator/Reader
Han Xin Code Generator/Reader
GS1-128 / SSCC-18 Generator
MaxiCode Generator/Reader
USPS IMb Generator/Reader
FedEx / UPU S10 Generator
EDI 856 ASN Parser
Code 128 Generator/Reader
Code 39 Generator/Reader
UPC-A / EAN-13 Generator

Developer, Security & Utilities

SlidePlayer Downloader
iFunny Downloader
Word Counter
Duplicate Line Remover
Password Generator
MD5 Hash Generator
Hash & HMAC Generator
Python Dict to JSON
JSON Diff & Table Compare
JSON to Pydantic
Markdown to HTML
Query String Parser
Base64 Encode/Decode
URL Encode/Decode
UTM Link Builder
UUID Generator
QR Code Generator
Favicon Generator
Bulk Image Cropper
RGB to HEX
Aspect Ratio Calculator
Table to JSON Converter
Magnet URI Parser

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