Guides
Short, practical guides to everyday image tasks. Each one links to the free tool that does the job — in your browser, with no upload.
Resize & compress
How to Resize an Image Without Losing Quality
Why resized photos look soft or blurry, the difference between shrinking and enlarging, and how to resize to exact pixels or a percentage.
How to Compress an Image to Under 100 KB (Without Ruining It)
Need a photo under 100 KB for a form or portal? See how size, dimensions and format work together, and do it free in your browser.
Formats & converters
JPG vs PNG vs WebP vs AVIF: Which Image Format Should You Use?
A plain comparison of the four main image formats: quality, file size, transparency and compatibility — and when each one is the right choice.
How to Convert HEIC to JPG: iPhone Photos on Windows, Android and the Web
iPhone photos won't open? Learn what HEIC is, why it causes problems and how to convert HEIC to JPG or PNG in your browser without uploading.
How to Convert WebP to JPG (and Why Websites Save Images as WebP)
Why downloaded images are WebP and how to convert WebP to JPG or PNG. Learn what happens to transparency and animation. Free, in your browser.
How to Open and Convert Camera RAW Files (CR2, NEF, ARW, DNG, RAF, RW2) to JPG
What RAW files are, why they won't open, and how to convert CR2, NEF, ARW, DNG and other camera RAW formats to JPG or PNG in your browser.
TIFF, BMP, PPM and JFIF: What These Image Formats Are and How to Convert Them
What TIFF, BMP, PPM and JFIF files are, why they won't open everywhere, and how to convert them to PNG or JPG in your browser.
How to Convert JPG, PNG or HEIC Photos to PDF
Turn one photo or many into a single PDF in your browser. Choose A4, Letter or the image's own size, order the pages and keep your files private.
Privacy & safety
Are Online Image Converters Safe? Browser Processing vs Server Uploads
Does your photo leave your device when you use a free online tool? How to tell uploading tools from in-browser ones, and what to check.
How to Remove GPS Location and EXIF Data from Photos Before Sharing
Photos can reveal where and when they were taken. Learn what EXIF data is, how to check it and how to strip it before you share a picture.
How to Blur Faces, License Plates and Private Text in a Photo
Hide faces, license plates and private details before you share a photo. Learn when blur is enough and when a black box is safer.
Social & print
Social Media Image Sizes: A Cheat Sheet for Instagram, Facebook, YouTube, TikTok and LinkedIn
Image sizes and aspect ratios for the main platforms in one table, with one-click presets to resize your photo to fit.
How to Post a Full Photo on Instagram Without Cropping
Stop Instagram from cutting off your picture. Fit the whole photo into a square, 4:5 or story frame with a blurred or coloured background.
What Is DPI? How to Convert cm and Inches to Pixels (Print Size Guide)
What DPI means and how to convert cm, mm and inches to pixels. Pixel sizes for A4, A3, 10×15 and 70×100 cm, plus a free DPI calculator.
Editing tools
How to Remove the Background from a Photo for Free (Without Uploading It)
Cut out a person or product, get a transparent PNG or a white background, and touch up edges — with an AI model that runs on your device.
How to Crop, Resize and Rename Many Photos at Once (Same Ratio, One ZIP)
Crop up to 300 photos to one ratio, adjust single photos, resize, add a watermark, rename and download a ZIP. Free, in your browser.
How to Add a Watermark to Photos (Single Images or Up to 100 at Once)
Add a text or logo watermark to one photo or up to 100 at once. Set position, opacity and margin, and download a ZIP. Free, in your browser.
How to Annotate an Image Online: Arrows, Text, Boxes and Numbered Steps
Add arrows, text, boxes, highlights and numbered steps to a screenshot or photo in your browser. Free, no upload, saved at full resolution.
How to Resize, Convert and Extract Frames from an Animated GIF or WebP
Make a GIF or animated WebP smaller, convert one into the other or save its frames as pictures. Free, in your browser, no upload.
How to Make a Photo Collage Online (Free, Without Uploading Your Photos)
Combine 2 to 4 photos into one picture. Choose a layout, set gaps and size, and save as JPG, PNG, WebP or AVIF in your browser.
How to Make a Meme Online for Free (No Watermark, No Upload)
Add top and bottom text, caption bars or panels to your own photo and save a meme as JPG, PNG, WebP or AVIF — all in your browser.
How to Make a Favicon for Your Website (ICO, PNG, Apple and Android Icons)
Create a favicon.ico plus PNG, Apple and Android icons from one image, and add them to your site with a few lines of HTML.