Image guides
Plain-English help with formats, file sizes, social media dimensions and keeping your photos private. Each guide links to a free tool that does the job right in your browser.
- Are Online Image Tools Safe? What Happens to Your Photos What really happens when you upload a photo to an online image tool, the risks worth knowing about, and how to check that a tool keeps your images private.
- JPG vs PNG vs WebP vs AVIF: Which Image Format Should You Use? A plain-English comparison of JPG, PNG, WebP, AVIF and HEIC: file size, quality, transparency and support, with a quick rule for picking the right format.
- How to Open and Convert HEIC Photos on Windows, Mac and Android Why iPhone photos are HEIC files, how to open them on Windows, Mac and Android, and the quickest ways to turn them into JPGs that work everywhere.
- How to Reduce a Photo’s File Size for Email and Online Forms Shrink photos to fit email attachment limits and upload forms that demand “under 100 KB” or similar, without making them look blurry or blocky.
- Social Media Image Sizes: A Practical Guide for Posts, Stories and Covers The image shapes and sizes that work best on Instagram, YouTube, Facebook, X and LinkedIn, and how to crop and resize your photos to fit them.
- How to Remove Location Data from Photos Before You Share Them Phone photos can reveal exactly where they were taken. How to check, how to stop it on iPhone and Android, and how to strip it from photos you already have.