Comrevo — Free Calculators + Tech Guides

Every free calculator and utility tool built on Comrevo — for loans, investments, taxes, retirement planning, and everyday tasks like compressing files or generating QR codes. No sign-up, no fees, 100% mobile-friendly.

Why use Comrevo's free tools? Every calculator and tool here is 100% free, requires no sign-up, and is designed to work smoothly on mobile — with numbers built around real Indian tax slabs, EPF rules, and loan structures.

✅ 100% Free ✅ No Sign-up Required ✅ Mobile-friendly ✅ Built for Indian Users ✅ Updated for 2026

Free Currency Converter | USD to INR, EUR, GBP – Live Rates

Use this free currency converter to convert USD to INR, AED to INR, EUR, GBP, SAR and 45+ world currencies at today's live exchange rate. Type an amount and the result updates instantly — no button clicks, no sign-up, works on mobile.

PDF File Compressor Online Free

Use this free PDF Compressor to shrink the file size of your PDF documents — right in your browser. Drag in your files, choose a compression level, and download smaller PDFs in seconds. Nothing is ever uploaded to a server.

Image Compressor Online Free

Use this free Image Compressor to shrink the file size of your JPG, PNG, and WebP images — right in your browser. Drag in your photos, choose a quality and format, and download smaller images in seconds. Nothing is ever uploaded to a server.

QR Code Generator

Use this free QR Code Generator to instantly create scannable QR codes for a website link, plain text, Wi-Fi network, email, phone number, or SMS. Pick a type, fill in the details, customise the colour and size, and download your QR code as a PNG image — no sign-up required.

SWP (Systematic Withdrawal Plan) Calculator

Use the free SWP calculator below to estimate how long your investment will last (or how much will remain) when you withdraw a fixed amount at regular intervals. Choose monthly, quarterly, or yearly withdrawals, enter your investment, expected return rate, and time period, and hit calculate.

PPF (Public Provident Fund) Calculator

Use the free PPF (Public Provident Fund) Calculator below to estimate your maturity value, total interest earned, and year-wise growth on your PPF investments. Enter your yearly deposit, tenure, and interest rate, then hit calculate.

Fixed Deposit (FD) Calculator

Use the free FD (Fixed Deposit) Calculator below to estimate your maturity value, total interest earned, and post-tax returns on a bank or NBFC fixed deposit. Enter your deposit amount, interest rate, tenure, and compounding frequency, then hit calculate.

Income Tax Calculator India (FY 2026-27 & FY 2025-26) – Old vs New Regime

Use the free Income Tax Calculator below to compute your tax liability for FY 2026-27 (current year) and FY 2025-26 (last year) under both the New Tax Regime and the Old Tax Regime, and instantly see which one saves you more — so you can plan your tax-saving investments in time.

AI Detector and Paraphraser

Two tools to help students and researchers write in their own voice: check a passage for robotic AI-sounding phrasing, or paraphrase a sentence with every change highlighted for review.

Online Scientific Calculator

A free online calculator that looks and behaves like the calculator app on your phone — type a full expression such as 2+8×5+6÷3 and watch the answer update live below it, with correct order of operations (multiplication and division are always calculated before addition and subtraction). It also includes trigonometry, logarithms, powers, roots, factorials and more.

EPF, Pension & Gratuity Calculator

Use the free EPF, EPS pension, and Gratuity calculator below to estimate your retirement corpus, monthly pension, and gratuity payout as a salaried employee in India. Pick a calculator, enter your details, and hit calculate.

Comrevo — Free Calculators + Tech Guides

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Wednesday, 16 September 2026

Free Online Calculators & Tools in India (2026) — Full Comrevo Directory

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