HEIC & files that won't open
HEIC won't open? How to view and convert it
Why iPhone .heic files refuse to open on Windows, and the three fixes that actually work — extensions, conversion and a camera-setting change.
HEICConvert HEIC to JPG on Windows, iPhone and online
Exact steps for turning iPhone photos into a universal JPG on Windows 11, on the phone itself, or straight in your browser with no install.
Compression & file size
Compress a JPG to 100KB or 200KB
Hit a form's exact upload cap without gutting the image: resize first, then trim quality until the file lands on 100 or 200 KB.
Web performanceCompress images for a website without losing quality
The resize, compress and WebP workflow tied to Google's 2.5-second Largest Contentful Paint target, so pages load measurably faster.
CompressionBest TinyPNG alternatives without the 20-file cap
TinyPNG stops you at twenty uploads. These free tools compress whole batches in the browser — nothing uploaded, no per-day limit.
Cut-outs & backgrounds
How to remove an image background for free
Five genuinely free cut-out methods, ranked by speed, edge quality and whether they quietly stamp a watermark on your result.
BackgroundBest remove.bg alternatives: free, no watermark
When remove.bg downsamples your free cutout, these alternatives export a full-resolution, watermark-free PNG instead.
BackgroundRemove the background from a signature or logo
Turn a phone snap of your signature — or a logo on white paper — into a crisp transparent PNG for PDFs, Word and websites.
Layout, print & PDFs
Combine images into one PDF & back again
Stitch several JPGs into a single A4 or Letter PDF, or pull one PDF page back out as an image — no Acrobat, no upload.
SocialResize images for Instagram, X and Facebook
The 2026 pixel targets for each network, and a fit-and-pad method that keeps your whole photo instead of letting the app crop it.
PrintMake a photo 300 DPI for printing
DPI is metadata, not detail. The real pixel math behind a sharp print, and the rare cases where upscaling genuinely helps.
EditingBest free Photoshop alternatives
GIMP, Photopea, Canva and PixlReady compared on price, platform and learning curve when you don't want a subscription.
RoundupBest free online image tools in 2026
A curated tour worth bookmarking: compress, convert, cut out, resize and turn images into PDFs — all running on your device.
Icons, grids & format guides
How to make a favicon for a website
The sizes to ship, multi-size ICO conversion, the HTML tags and transparent icons — built free in your browser.
InstagramHow to split a photo into a 3×3 grid for Instagram
Slice one square photo into nine tiles and upload them in the correct right-to-left order so the wall assembles.
ConvertJPG to PNG: when, why and how to convert
Transparency, screenshots and logos versus photos — when the switch is worth it and when it only wastes space.
Passport & ID photos
Take a passport photo at home with your phone
The setup that actually gets accepted: rear camera, window light, plain wall, 1.5 metres away, plus baby and rejection fixes.
Spec tableDigital photo file size by country (20 countries)
Pixels, KB caps, JPEG format and background for the US, UK, Canada, Schengen, India and more — in one sortable table.
FramingHead size and framing, in mm and percent
Chin-to-crown, top clearance, eye line and shoulders for every major authority — and how to line the photo up.
BackgroundBackground colour: white, cream, grey or blue?
Why the UK rejects pure white, France forbids it, and how to swap the wall you already shot against for the right tint.