JPGThe photo favorite
A practical choice for photographs and broad compatibility. Lossy compression keeps files smaller, but JPEG cannot preserve transparency.
Make your photos lighterFree image tools that work in your browser.
Compress, resize, crop and convert—without uploading
the files to a 4ool server.
From a photo for your website to a graphic for your presentation. Make it fit.
Selected image files are processed on your device and are not uploaded to 4ool servers.
Open a tool, choose an image and get on with your day. Your files are not stored by the tool.
Make a lighter copy. Keep an eye on the details.
The right dimensions, without the guesswork.
Keep what matters. Give your image a new frame.
Get to know your image, pixel by pixel.
See the story stored alongside the pixels.
Share the image. Leave readable metadata behind.
A PNG copy, with your original dimensions.
Make your next web image a little lighter.
Choose the background. Make a JPEG copy.
Keep transparent edges. Explore a smaller file.
A familiar format for your next upload.
A lossless container for your decoded pixels.
Different strengths. The same simple workflow.
A practical choice for photographs and broad compatibility. Lossy compression keeps files smaller, but JPEG cannot preserve transparency.
Make your photos lighterLossless storage and transparency make PNG useful for screenshots, diagrams and graphics. Photographs can produce much larger files.
Explore a smaller formatA flexible web format that supports transparency. Our tools use browser quality controls to balance detail and file size; results depend on the image.
Get your images web-readySimple tools should come with
straight answers.
Images selected for these tools are processed locally in your browser and are not uploaded to 4ool servers. Loading the website still creates ordinary web requests.
The tools support still JPG/JPEG, PNG and WebP images. Both .jpg and .jpeg are accepted. HEIC, HEIF, AVIF, GIF, SVG, TIFF, BMP and RAW are outside this version’s scope.
No. All twelve tools are free to use without creating an account or signing in.
No. The outcome depends on the source, format and browser encoder. PNG re-encoding in particular may produce a larger file. Each result shows the actual size comparison.
Large images can use much more memory while decoded than their file size suggests. This version limits files to 25 MiB, 24 megapixels and 10,000 pixels on either side to reduce the risk of exhausting browser memory.