Free Accounting & Tax Tools — CA Piyush Gupta
🤖 AI-Powered · 100% Free · Works Offline

AI-Powered Tools for Smart Accountants

100+ free tools designed for accountants. Works without internet. Your data never leaves your device.

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100% Private
Your data stays on your device
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Works Offline
No internet connection needed
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AI Powered
Smart, accurate & instant results
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🧾 Taxation, Payroll & Statutory Compliance

GST Auto-Login Excel Tool

Secure macro-enabled Excel tool by CA Piyush Gupta Sir to manage all client credentials in a single sheet and log in instantly with a double-click.

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GST Calculator

GST calculator. Type in ANY field (Base, CGST, SGST, IGST, or Total) to back-calculate values based on statutory & custom GST rates.

GST ITC Reconciliation Tool (GSTR-2B)

Reconcile Purchase Register with GSTR-2B under Sec 16(2)(aa). Supplier-wise mismatch breakdown, GSTR-3B ITC compliance insights & 6-sheet Excel audit export. 100% Offline.

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GST Invoice Generator (Offline Excel)

Download free macro-enabled Excel tool (.xlsm) to generate professional GST invoices offline. Auto CGST/SGST/IGST calculation, HSN/SAC codes & 1-click PDF export.

GST Late Fee & Interest Calculator

Calculate Section 50 interest @ 18% p.a. and Section 47 Late Fees for delayed GST return filings based on due and actual filing dates.

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Multi-Tax Slab Invoice Summarizer

Dynamic multi-item invoice summarizer that aggregates line items by GST tax rate slab (0%, 5%, 12%, 18%, 28%) for Intra/Inter-state invoices.

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Bulk GSTIN & PAN Validator

Bulk regex format validation for Indian PAN and GSTIN numbers with state code and taxpayer entity type detection.

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Payroll PF & ESI Split Calculator

Future-proofed payroll breakdown engine with fully editable statutory wage ceilings (₹15,000 / ₹21,000) and contribution rates.

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Indian FY / AY / Quarter Finder

Find Indian Financial Year (Apr-Mar), Assessment Year, Quarter, and FY progress. Includes reverse FY date range lookup & ITR due dates.

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Cheque & Instrument Validity Checker

Check if cheques are valid, post-dated, or stale based on 3-month Section 138 NI Act rule. Single and bulk check modes included.

📁 Specialized Utility Tool Suites

⚖️ Core Accounting, Ledger & Reconciliation

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Ledger Reconciliation & Difference Finder

Instantly reconcile two ledger columns. Auto-match entries within tolerance, find unreconciled differences, and copy unmatched lists.

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Trial Balance Checker & Error Detector

Verify trial balance tally and pinpoint transposition errors (÷9), slide errors, omissions, and one-sided entries with smart hints.

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Bank Reconciliation Statement (BRS) Builder

Step-by-step Bank Reconciliation builder. Add unpresented cheques, bank charges, auto-compute adjusted balances, and export text report.

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Universal Journal Entry Builder

Universal dynamic journal matrix builder supporting ALL unlimited transaction combinations (Advance, Accrued, Outstanding, GST, Assets, Capital).

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Rectification Entry Generator

Select accounting error type (Omission, Commission, Principle, Reversal) and get exact rectifying journal entries & Suspense A/c logic.

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Partnership Profit Distribution Calculator

Distribute partnership profits/losses. Computes Interest on Capital, Partner Salaries, Interest on Drawings, and generates P&L Appropriation A/c.

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Cost Sheet & Statement of Cost Builder

Generate structured Statement of Cost with Prime Cost, Works Cost, Cost of Production, Total Cost, and per-unit cost column breakdown.

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Foreign Exchange Gain/Loss Calculator (AS-11)

Calculate realized & unrealized forex gain/loss on foreign transactions and generate AS-11 journal entries for booking, restatement & settlement.

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Cash Denomination Counter

Count physical INR notes (₹500, ₹200, ₹100, ₹50, ₹20, ₹10, ₹5, ₹2, ₹1), calculate live totals, and copy Bank Cash Deposit & Tally narrations.

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Tally Ledger Grouping Guide

Instant search guide for 60+ Indian accounting ledgers, Tally Primary Groups, and GST/TDS tax regulations.

📊 Financial Math, Business Ratios & Calculations

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Reverse Percentage Calculator

All-in-one 6-mode percentage suite: find original before GST/tax, reverse TDS, % change, add/subtract % and formula steps.

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Margin vs Markup Converter

Convert and compare profit margin % and markup % instantly. Includes visual price breakdown bar, price builder & reference table.

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Ratio Splitter & Apportionment Calculator

Split any amount proportionally by custom ratios (e.g. 3:2:1 or 5:3:2:1). Features visual breakdown bar & rounding difference detector.

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Pro-Rata Amount Calculator

Calculate proportionate amounts for partial periods (Rent, Prepaid Insurance, Depreciation, Interest) with manual & date picker modes.

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Paste & Sum Instant Column Calculator

Paste messy number lists from Excel or PDF. Strips ₹, Rs, parenthetical negatives. Instant Sum, Count, Average, Median, Min, Max.

Number to Indian Words

Instantly convert numbers into standard Indian numbering words (Crores, Lakhs, Thousands) with copy-to-clipboard and custom formats.

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Key Financial Ratios Calculator

Calculate Current, Quick, Debt-to-Equity, Gross Margin %, Net Margin %, ROE %, and Working Capital with universal accounting math.

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Debtors Aging & DSO Calculator

Calculate Days Sales Outstanding (DSO) and analyze debtor aging across customizable future-proof bucket thresholds (30/60/90 days).

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Loan EMI & Amortization Schedule

Calculate reducing balance EMI, total interest, and month-by-month repayment schedule with 1-click PDF print button.

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Interest Calculator

Solve for any missing variable among Principal (P), Rate (R), Time (T), or Amount (A) for Simple and Compound Interest.

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Date Difference & Business Days Calculator

Calculate exact days between dates, count business days excluding Sundays/Saturdays, and compute bill maturity due dates with 3-day grace.

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Accountant’s Text Cleaner

Clean raw bank statements, format customer lists to Title Case, standardize GSTIN/PAN to UPPERCASE, and strip extra spaces/special chars.

Shortcut & Formula Search Engine

Instant search engine for 260+ verified shortcuts for Tally Prime, MS Excel, MS Word, and Excel business formulas.

💼 Career & Professional Tools

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