Compress Image
Work toward a target KB size. Check the actual result before you download.
ImagesTHE EVERYDAY TOOLBOX
Free tools for
everyday files.
Make photos smaller. Convert a file. Get the numbers right. All in your browser.
QUICK STARTON YOUR DEVICE
Compress an image
Get a smaller JPG. Keep your original.
All tools
One task. One useful tool.
14 tools
Resize Image
Make images smaller while keeping their original proportions intact.
ImagesCrop Image
Choose a ratio and position the crop around the part you want to keep.
ImagesWebP to JPG
Make JPG copies of WebP pictures for an app or form that needs them.
ImagesPNG to JPG
Convert PNG to JPG with a solid background for transparent areas.
ImagesJPG to PNG
Create PNG copies of your JPG images, individually or in a batch.
ImagesJPG to WebP
Create WebP images and compare their size before using them online.
ImagesRemove Duplicate Lines
Remove repeated entries, trim spaces and keep your list in order.
Text & dataCSV to JSON
Turn CSV into JSON while keeping strings and leading zeros intact.
Text & dataJSON to CSV
Make a CSV from flat JSON, with optional spreadsheet formula protection.
Text & dataPercentage Calculator
Find a percentage, compare two values or calculate percentage change.
CalculatorsAspect Ratio Calculator
Simplify a width-to-height ratio and find a matching new height.
CalculatorsMean & Median
Compare two kinds of average and see how an outlier changes the result.
CalculatorsImage Size Calculator
Connect pixel dimensions, print size and uncompressed image memory.
CalculatorsNo tools match that search. Try a shorter word or choose another category.
A creative extra for your pictures
Make something unexpected.
Turn a picture into a world of pixels. Drag, tweak, and make it yours.
Try the pixel playgroundEXPLAINED
All guides Practical guides
IMAGES
Pixels, shapes and image detail
Understand why a larger image does not always contain more detail.
Read the guide TEXT & DATACSV and JSON, side by side
Choose a useful data structure before converting your table.
Read the guide NUMBERSMean or median?
See what changes when one value is far from the rest.
Read the guide