Tax tools that run in your browser — no sign-up, no data leaves your device.
Each tool gives you a plain-English explanation, a checklist of documents you need, and a downloadable working (PDF or CSV) you can keep for your records. Zero personal details required.
143(1) Intimation Decoder
Got a notice from CPC? Unlock the PDF password, decode each adjustment line — TDS mismatch, 80C disallowed, HRA denied, income added from AIS — get the exact documents you need, and know whether to accept, file rectification under section 154, or appeal.
Income Tax Demand Notice — What to Do
Step-by-step guide to understanding why CPC raised a demand, the different types of demand notices (143(1), 156, 245), top 5 reasons, how to respond online, and when to consult a CA.
Form 67 Foreign Tax Credit Calculator
Calculate the FTC you can claim on Form 67 under your DTAA treaty, get a personalised checklist of supporting foreign tax documents (Form 1042-S, P60, IR8A, T4, PAYG, T5), and save the working permanently — foreign income has no time limit under the Black Money Act.
Schedule FA Checker
Holding US stocks, vested RSUs, a foreign bank account or a 401(k)? Answer four questions and get the exact Schedule FA tables that apply (A1 to G), the calendar-year window that confuses everyone, the Black Money Act penalty position, and a checklist of records to keep permanently.
RNOR Calculator — ROR, RNOR or Non-Resident?
The status every other tax question depends on. Five questions resolve the 182/120/60-day rules, the ₹15 lakh deemed-residency rule and the two RNOR tests — with the exact statutory trace behind your verdict, what it means for foreign income and Schedule FA, and the records that prove it years later.
Vault documents from Claude or ChatGPT
While working with your financial documents in Claude or ChatGPT, when you need to vault them for long-term retention — one phrase saves them into KarSafe. Your phone encrypts each file with its own fresh 256-bit key before upload; the AI assistant never touches your vault.
Where is the key? — Why KarSafe is a vault, not cloud storage
Google Drive, OneDrive, Dropbox, iCloud all encrypt your files. The question that actually matters is: who holds the key? A simple explanation of why KarSafe is a vault and cloud storage is a warehouse — and why every document in KarSafe is encrypted with its own separate key.