Unit Converter & Calculator
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About this app
Convert anything, calculate everything, and handle your
documents completely offline.
Convertify is an all-in-one unit converter and calculator app
with 5,000+ units across 90+ categories, 80+ practical
calculators, and a full offline PDF and image studio. No
internet needed, no sign-up, and no data leaving your phone.
UNIT CONVERTER: 5,000+ UNITS, OFFLINE
• Length: cm to inches, mm to inches, feet to meters, miles to km
• Weight: kg to lbs, grams to ounces, tola to gram, quintal to kg
• Temperature: Celsius to Fahrenheit, Kelvin
• Area: square feet to square meters, gaj, bigha, marla, kanal,
acre, hectare
• Volume: litres to gallons, ml to cups, cooking measurements
• Speed, pressure (psi to bar), power (hp to kW), energy, torque
• Data storage: KB, MB, GB, TB and data transfer rates
• Fuel economy, density, frequency and dozens more engineering units
• Currency converter with cached exchange rates and crypto
(Bitcoin, Ethereum) that keeps working offline
• Search any unit instantly, save favourites, reuse recent results
80+ CALCULATORS
• Finance: EMI and home loan calculator, SIP, compound interest,
GST, discount, ROI, full amortisation schedule
• Health: BMI, BMR, body fat, ideal weight, calorie needs,
pregnancy due date
• Construction: concrete volume, bricks, tiles, paint coverage,
steel weight
• Math: percentage, algebra, statistics, 2D and 3D geometry
• Date and time: age calculator, days between dates, duration
• Electrical, automotive and business margin formulas
Every result comes with a step-by-step breakdown, not just a number.
STUDIO: PDF & IMAGE TOOLS, 100% OFFLINE
Things you would normally upload to a website, done privately
on your phone:
• Image to PDF, JPG to PDF, PDF to image
• Merge PDF, split PDF, extract pages, reverse order, page numbers
• Compress PDF, text to PDF
• Document scanner with on-device OCR: scan a receipt or page
and copy the text out
• Image compressor, photo resizer, crop, rotate, watermark, collage
• JPG to PNG and WebP converter
• QR code generator and barcode maker for links, Wi-Fi, contacts
HISTORY THAT REMEMBERS
Every conversion, calculation and export is saved locally in a
searchable history with filters, trash and one-tap copy.
WHY PEOPLE KEEP IT INSTALLED
• Works fully offline: on a plane, on site, in a basement,
or abroad without roaming
• Private: files and images are processed on your device
• Light and fast, small download, no loading screens
• Dark and light themes
Built for students, engineers, site supervisors, cooks,
travellers, traders and anyone tired of searching "kg to lbs"
every single time.
Free to use. Download Convertify.
documents completely offline.
Convertify is an all-in-one unit converter and calculator app
with 5,000+ units across 90+ categories, 80+ practical
calculators, and a full offline PDF and image studio. No
internet needed, no sign-up, and no data leaving your phone.
UNIT CONVERTER: 5,000+ UNITS, OFFLINE
• Length: cm to inches, mm to inches, feet to meters, miles to km
• Weight: kg to lbs, grams to ounces, tola to gram, quintal to kg
• Temperature: Celsius to Fahrenheit, Kelvin
• Area: square feet to square meters, gaj, bigha, marla, kanal,
acre, hectare
• Volume: litres to gallons, ml to cups, cooking measurements
• Speed, pressure (psi to bar), power (hp to kW), energy, torque
• Data storage: KB, MB, GB, TB and data transfer rates
• Fuel economy, density, frequency and dozens more engineering units
• Currency converter with cached exchange rates and crypto
(Bitcoin, Ethereum) that keeps working offline
• Search any unit instantly, save favourites, reuse recent results
80+ CALCULATORS
• Finance: EMI and home loan calculator, SIP, compound interest,
GST, discount, ROI, full amortisation schedule
• Health: BMI, BMR, body fat, ideal weight, calorie needs,
pregnancy due date
• Construction: concrete volume, bricks, tiles, paint coverage,
steel weight
• Math: percentage, algebra, statistics, 2D and 3D geometry
• Date and time: age calculator, days between dates, duration
• Electrical, automotive and business margin formulas
Every result comes with a step-by-step breakdown, not just a number.
STUDIO: PDF & IMAGE TOOLS, 100% OFFLINE
Things you would normally upload to a website, done privately
on your phone:
• Image to PDF, JPG to PDF, PDF to image
• Merge PDF, split PDF, extract pages, reverse order, page numbers
• Compress PDF, text to PDF
• Document scanner with on-device OCR: scan a receipt or page
and copy the text out
• Image compressor, photo resizer, crop, rotate, watermark, collage
• JPG to PNG and WebP converter
• QR code generator and barcode maker for links, Wi-Fi, contacts
HISTORY THAT REMEMBERS
Every conversion, calculation and export is saved locally in a
searchable history with filters, trash and one-tap copy.
WHY PEOPLE KEEP IT INSTALLED
• Works fully offline: on a plane, on site, in a basement,
or abroad without roaming
• Private: files and images are processed on your device
• Light and fast, small download, no loading screens
• Dark and light themes
Built for students, engineers, site supervisors, cooks,
travellers, traders and anyone tired of searching "kg to lbs"
every single time.
Free to use. Download Convertify.
Offline unit converter + 90 calculators, PDF tools, doc scanner & QR maker
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
What’s new
Advance tools added, Converter studio introduced, Smart history
