75+ free tools for EMI, tax, gold, investments, invoices, SEO, developer utilities & more. No signup required.
GST invoices with print & PDF
Popular✉️Professional HTML signatures
New📊FY 2025-26 regime comparison
Dev📝Write, preview, export HTML
Productivity🍅Focus timer with sessions
Dev🎨Visual gradient builder + CSS
Fun⌨️Test WPM with real-time stats
Home, car & personal loan EMI
📈Mutual fund returns with SIP
💹Lumpsum & SIP with CAGR
🏛️Pension, lump sum & tax savings
📋Old vs new regime FY 2025-26
📊Detailed regime comparison
🧾Add or remove GST instantly
💳Fixed deposit maturity amount
🔐15-year tax-free PPF returns
🏘️House rent exemption 10(13A)
⏩Interest saved by prepaying
📅Year/month payment schedule
📊Compound annual growth rate
📉₹1L today = ₹X in 10 years
💼CTC to in-hand with EPF & tax
🧮All TDS sections & rates
🏡EMI, eligibility & affordability
💰New CTC after percentage hike
🎁Based on service years & salary
🏠True cost of renting vs owning
☕Your ₹50 chai = ₹18L in 20 years
🏖️Find your exact FIRE date
📐CI with all compounding options
🏗️PF corpus, EPS pension & more
🔄Systematic withdrawal planning
🏢State-wise property stamp duty
📈STCG/LTCG for all asset types
💵Gross, operating & net margins
⚖️Units to cover fixed costs
🔀Compare flat & reducing EMI
🏤NSC, KVP, SCSS & SSY returns
⏱️Convert salary ↔ hourly rate
Validate, beautify & minify JSON
🔍Live match highlighting & groups
🎨Visual gradient builder + CSS
🖼️Multi-layer shadow generator
🖼️Convert & scale SVG to PNG
📝Write, preview & export HTML
⏰Build & explain cron schedules
🔓Decode & inspect JWT tokens
🔄Encode/decode text & files
📦Minify & beautify HTML code
🎨HEX, RGB, HSL & palettes
📜Classic, Hindi & startup text
GST invoices with print & PDF
💼Professional salary slips + PDF
🧾Generate & print for HRA claims
✉️Professional HTML signatures
🛡️GDPR-ready policy in 60 seconds
🏷️SEO meta + OG + Twitter cards
📋JSON-LD for rich results
⭐From text or image, all sizes
🤖Control search engine crawling
📱URLs, WiFi, contacts → QR
🔒Cryptographically secure
Exact age in years, months, days
⚖️BMI with Asian health standards
📅Days between dates & add days
📐Length, weight, temp & more
⚡State-wise slab rates (14 states)
⛽Trip cost, CO₂ & split per person
➗%, increase, decrease & difference
🎓CBSE, VTU, Anna & more
📝Words, characters & reading time
📷Client-side, 100% private
🖼️Resize for any platform
🔤UPPER, camelCase, slug & more
⌨️Test WPM with live tracking
🏦Verify bank branch details
🍅Focus timer with breaks
📖Flesch-Kincaid & Gunning Fog
🖥️Display & browser info
💡Bill splitter with tip presets
⏳Event countdown in real time
📐Image & video ratio calculator
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CalcMonk is a collection of 75+ free online calculators, generators, and developer tools. From EMI and SIP calculations to live gold rates, income tax comparison, and unique tools like Rent vs Buy and Latte Factor — everything runs 100% in your browser.
No data leaves your device. No signup. No tracking. No fees. Just fast, accurate answers to help you make smarter financial and everyday decisions.