A universe of
free online tools
Calculators, converters, generators, text utilities and developer tools — all in one beautifully crafted galaxy. Built for speed, privacy and delight.
Not sure which tool? Try the AI Tool FinderFeatured tools
Most loved across the galaxy.
Count words, characters, sentences and reading time.
Convert Celsius, Fahrenheit and Kelvin.
Strip duplicate lines from any list.
Compare price per unit between two package sizes to find the better value.
Convert a nominal rate and compounding frequency into the effective annual yield (APY).
Estimate how long money takes to double (or the rate needed) with the Rule of 72.
Convert annual salary to hourly wage and back — plus monthly, weekly and daily pay.
Find a loan's true annual cost (APR) from the rate, term and upfront fees.
Explore by category
Pick a planet and start exploring.
Manipulate, format, and analyze text instantly.
23 live bidirectional converters: length, weight, volume, speed, data and more.
Math, finance, health and everyday calculators.
Generate passwords, lorem ipsum, UUIDs and more.
JSON, Base64, URL encoders and developer utilities.
Resize, compress and transform images in your browser.
Meta tags, keyword density and SEO helpers.
Mortgages, EMIs, investments, taxes and 26 finance calculators.
Invoices, quotations, freelance rates and 12 business tools.
BMR, TDEE, body fat, pregnancy and 24 health & fitness tools.
GPA, CGPA, study planner, flashcards and 12 academic tools.
Probability, regression, std dev, matrices and 31 math tools.
Countdowns, timesheets, pomodoro, timezone planner and 17 date tools.
Gradients, shadows, palettes and live CSS generators.
Merge, split and compress PDFs entirely in your browser.
Wheel spinner, dice, coin flip, generators and decision tools.
Password tools, JWT, hashes, HMAC, RSA, AES — all client-side.
Paint, tile, concrete, solar, garden and 12 home calculators.
Fuel cost, mileage, auto loan, lease vs buy, 0–60 and tire size.
Compress, convert, trim, extract and mute video — entirely in your browser, nothing uploaded.
Popular calculations
View all →- GST on ₹50,000
- GST on ₹1,00,000 at 28%
- GST on ₹1,00,000
- EMI on ₹10,00,000 at 8% for 20 years
- EMI on ₹5,00,000 at 9% for 10 years
- SIP of ₹5,000/month for 10 years at 12%
- SIP of ₹10,000/month for 15 years at 12%
- CAGR from ₹1,00,000 to ₹5,00,000 in 5 years
- Compound interest on 10,000 at 8% for 5 years
- Compound interest on 100,000 at 7% for 20 years
- Mortgage payment on $300,000 at 6% for 30 years
- Mortgage payment on $400,000 at 7% for 30 years
Lightning fast
Runs entirely in your browser — no servers, no waiting.
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Your data never leaves your device. Ever.
Built with love
Carefully crafted UI and obsessive attention to detail.