Try it without internet
Turn on airplane mode and convert a file. It works the same, because it never leaves your device. It's the simplest proof that your information is yours alone.
Connected. Turn on airplane mode and watch a file get converted with no internet.
What do you want to do?
Pick a group and tap your conversion.
PDFMerge, split, sign8
DesignOpen .ai and .psd4
ImagesHEIC, JPG, PNG, WebP13
AudioMP3, WAV, WhatsApp6
Data and QRExcel, CSV, JSON, QR9
Unitskm, kg, °C and more16
- kmmiKilometers to Miles
- mikmMiles to Kilometers
- cminCentimeters to Inches
- incmInches to Centimeters
- kglbKilograms to Pounds
- lbkgPounds to Kilograms
- °C°FCelsius to Fahrenheit
- °F°CFahrenheit to Celsius
- LgalLiters to Gallons (US)
- galLGallons (US) to Liters
- ftmFeet to Meters
- mftMeters to Feet
- ozgOunces to Grams
- gozGrams to Ounces
- km/hmphKilometers per hour to Miles per hour
- mphkm/hMiles per hour to Kilometers per hour
Guides for when a file won't open
Step-by-step solutions for problems with PDF, AI, PSD, image and audio files.
- How to open HEIC photos on Windows, Android or Word (and convert them to JPG)Images2 min
What the iPhone's HEIC format is, why it won't open on other devices, and three ways to convert it to JPG, including one that doesn't upload your photos to the internet.
- How to create a free QR code for WiFi, WhatsApp or your businessImages1 min
A guide to making QR codes that never expire: to share your WiFi, open a WhatsApp chat or link to your menu, with tips to make sure they always scan well.
- How to sign a PDF without printing or scanning (free and safe)PDF1 min
Learn how to sign contracts and forms in PDF from your phone or computer, how valid a digitized signature is, and how to keep your documents safe.