GST, ITR, EMI, name availability — the four calculators founders open most. Updated for FY 2026, accurate to the rupee, no email gate.
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Calculate GST amount for any transaction — inclusive, exclusive, or reverse.
Compute your tax liability for FY 2025-26 under new and old regime.
Check if your proposed company name is available before filing.
Pick the cheaper regime — old vs new. CTC structure, in-hand, HRA, 80C.
12 tools · free forever
Print-ready invoice with CGST/SGST or IGST split, HSN, amount in words.
Find the right HSN or SAC code and GST rate for your goods or services.
Structural check + check-digit math. Catches typos before they hit your books.
Validate thousands of GSTINs at once via paste or CSV upload. 100% client-side.
14 sections covered (194A, 194C, 194I, 194J, 194Q…). FY 2025-26 rates.
State-wise stamp duty + registration fee across 20 states. Gender concessions included.
Calculate monthly EMI with principal + interest breakup.
See what you would pay at Vakilsearch, ClearTax or IndiaFilings vs FilingLab. Per-year delta.
CorpBot
Hi! I'm CorpBot. Ask me anything about company registration, GST, ITR, or trademark — or tell me your need and I'll connect you with a CA.
