Blog
Clear guides to open, convert and troubleshoot your 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.
- How to reduce an image's file size without losing quality (practical guide)Images1 min
Shrink photos from several megabytes to under 500 KB. Recommended quality, pixel size, best format and common mistakes when compressing images.
- .ai File Won't Open or Shows Blank: Causes and FixesDesign files2 min
If your Illustrator file won't open, throws an error or looks empty, here are the most common causes and how to fix them.
- How to open an .ai file without Illustrator (3 free methods)Design files2 min
You received an .ai file and you don't have Adobe Illustrator. Here are three free ways to open it, with their pros and limits.
- How to convert a WhatsApp audio to MP3 (and trim it)Audio2 min
Save a WhatsApp voice note, convert it from OPUS to MP3, and trim just the part you need, without installing any software.
- How to turn photos into a PDF on your phone (and make them look good)PDF2 min
Turn photos of documents into a single, tidy PDF with good quality and Letter or A4 page size, right from your phone.
- Is it safe to upload your documents to an online converter?Privacy and security2 min
Many converters upload your files to a server. We explain the risks, how to tell whether a tool is private, and what alternatives there are.
- JPG, PNG or WebP: which to use and when to convertImages2 min
Clear differences between JPG, PNG and WebP, with a quick guide to picking the right format and making your images smaller.
- MP3 vs WAV: differences, file size and which to useAudio2 min
What's the difference between MP3 and WAV, how big is each per minute, and when it makes sense to convert from one format to the other.
- What is a PSD file and how to open it without PhotoshopDesign files2 min
A PSD is Photoshop's layered format. We explain why it's so large and how to view it or convert it to PNG or JPG without the program.