Verifies PAN card number format and structure locally. Extracts the taxpayer category from the PAN code — Individual, Company, Trust, etc. No data is sent to any server.
Content reviewed October 2026 · About Toolzum
Checks any GSTIN format instantly — decodes state, embedded PAN, entity code, and check digit with Luhn mod-36 verification. Supports bulk file decode (up to 500) with CSV export for accounts teams.
Validates Aadhaar numbers using Verhoeff checksum verification. Checks format rules, detects fake UIDs, and explains Aadhaar number structure. Fully local validation with no data upload.
Resizes PAN photos and signatures to NSDL/UTIITSL portal specs with manual crop and under-limit compression. All processing is local and private.
Inserts page number labels at user-chosen positions (bottom-center, top-right, etc.) with configurable font, size, and starting offset. Documents stay on your device — editing and conversion run locally in your browser.
Extracts all text content from PDF files and converts it to clean Markdown format with proper headings, lists, and structure. Documents stay on your device — editing and conversion run locally in your browser.
10 characters: 5 letters, 4 digits, 1 letter (e.g., ABCDE1234F).
Holder type across 10 codes — P individual, C company, H HUF, F firm/LLP, A AOP, B BOI, G government, J juridical person, L local authority, T trust. Try the 4 built-in examples (ABCDE1234F, PQRSG7890H, XYZTC5678K, LMNOP3456J) to see decoding.
Format validates structure instantly; active status needs the tax portal.
No — validation runs locally in your browser, free with no signup.
Indian Document Enhancer
Enhances scanned images of Indian identification documents — Aadhaar, PAN, Voter ID, Driving License — for upload compliance on government portals. Adjusts contrast, brightness, and sharpness locally.
GSTIN Lookup
Checks any GSTIN format instantly — decodes state, embedded PAN, entity code, and check digit with Luhn mod-36 verification. Supports bulk file decode (up to 500) with CSV export for accounts teams.