Guides
Practical, original guides to editing images: removing backgrounds, compressing and resizing, passport photo sizes, file formats, resolution for print, and keeping your photos private. Each guide is written by the team behind the tools and links to a free in-browser tool you can use straight away.
How to Use Generative Fill: Add or Replace Anything in a Photo with a Prompt
A practical guide to AI generative fill: how it works, how to select the area, prompts that work, when to use content-aware fill instead, and how to make the new content blend in — free and on-device.
Generative AIHow to Write Prompts for AI Image Generators (with 40 Examples)
How to write better prompts for AI image generation: the subject–style–light–camera formula, words that change the look, examples for photos, products, art and portraits, and common mistakes.
Generative AIHow to Turn a Photo into a Painting, Sketch or Anime with AI
How AI photo-to-art works and how to get good results: choosing the style, setting the strength, which photos work best, keeping faces recognisable, and printing the result.
Faces & portraitsHow to Swap Faces in a Photo — and When You Shouldn't
How face swapping works, how to get a realistic result (matching angle, light and resolution), the consent and legal rules to follow, and how to do it privately on your own device.
PrivacyOn-Device vs Cloud AI Photo Editing: What Happens to Your Photos?
Where your photos go when you use AI editors: cloud processing, data retention and training, how on-device AI with WebAssembly and WebGPU works, and how to check whether a tool uploads your images.
Depth & 3DHow to Make a 3D Photo (Parallax Effect) from a Single Picture
How single-image 3D photos work: AI depth estimation, camera moves, focus distance, choosing the right photo, and exporting a looping GIF or video for Instagram, TikTok and websites.
Background RemoverHow to Remove a Background from a Photo (and Get Clean Edges)
A practical guide to removing a photo background: how AI cutouts work, which photos cut out cleanly, where models fail (hair, glass, low contrast), and how to fix edges by hand.
Background RemoverHow to Make Product Photos with a White Background
How to shoot and edit product photos on a clean white background for Amazon, eBay, Shopify and Etsy: lighting, framing, background removal, image size and marketplace rules.
Image CompressorHow to Compress Images Without Losing Visible Quality
Practical ways to reduce image file size while keeping photos sharp: resize first, pick the right format, choose a quality setting, and hit a target size for web, email and uploads.
Passport Photo MakerPassport Photo Size Guide: Dimensions and Rules by Country
Passport photo sizes in millimetres, inches and pixels for the US, UK, Schengen/EU, India, Canada and Australia, plus the lighting, background and expression rules that cause most rejections.
File formatsPNG vs JPG: Which Format Should You Use?
PNG vs JPG explained: lossless vs lossy compression, transparency, file size, and a simple rule for choosing the right format for photos, logos, screenshots and cutouts.
File formatsWhat Is WebP? When to Use It and How to Convert It
WebP explained in plain English: how it compares with JPG and PNG, browser and app support, why downloaded images end up as .webp, and how to convert WebP to JPG or PNG.
Image basicsImage Resolution, Pixels and DPI Explained
A clear explanation of pixels, resolution, DPI and PPI: what actually affects quality, how many pixels you need for common print sizes, and why changing DPI alone does nothing on screen.
Image ResizerSocial Media Image Sizes: A Practical Cheat Sheet
Recommended image sizes and aspect ratios for Instagram, Facebook, X (Twitter), LinkedIn, YouTube and Pinterest, with tips on safe zones, cropping and file size.
Image UpscalerUpscaling Old Photos: A Practical Guide
What image upscaling can and can't do, why old scans look soft, how to balance noise reduction and sharpening, and how to scan and upscale family photos for print.
PrivacyWhat Your Photos Reveal: How to Remove EXIF and GPS Location Data
What EXIF metadata is, which details your photos reveal (location, device, time), which apps strip it automatically and which don't, and how to remove it before sharing.
Photo BlurHow to Blur Faces, Number Plates and Private Details in Photos
When and how to blur faces, licence plates, addresses and documents in photos before sharing — and why weak blur or pixelation on text can sometimes be reversed.
Signature RemoverHow to Create a Transparent Signature for Documents
Turn a handwritten signature into a transparent PNG you can place on PDFs, Word documents and email footers: how to capture it cleanly, remove the paper background, and use it safely.
Image to PDFHow to Combine Photos and Scans into One PDF
Combine photos, receipts and scanned pages into a single PDF: how to capture readable document photos, keep file size down, order pages, and protect sensitive documents.