Practical help for every image.
Tutorials for smaller files, accurate dimensions and formats that work. Pick a practical topic and follow the steps with the matching image tool.
Open image tools →Compress images
How to compress an image to a file-size limit
Choose an upload-size preset, check exact bytes and understand when quality or dimensions change. Compare the 100 KB, 200 KB and 500 KB image tools.
Read the guide →IMAGE GUIDEHow to compress an image
Reduce image file size in your browser. Learn how to choose a format, adjust quality, compare the result and decide when resizing is a better next step.
Read the guide →IMAGE GUIDEHow to compress an image to 100 KB
Make an image at most 100,000 bytes with the 100 KB tool. Learn what happens to quality, dimensions, transparency and a JPG that is already small enough.
Read the guide →Resize images
Crop, rotate & flip
How to crop an image to an aspect ratio
Crop a JPG, PNG or WebP to a square, portrait or landscape ratio. Reposition the crop, preview the result and save a separate copy without stretching.
Read the guide →IMAGE GUIDEHow to rotate an image
Turn a sideways JPG, PNG or WebP using a live preview. Choose a clockwise rotation, export a copy and check the actual pixel dimensions.
Read the guide →IMAGE GUIDEHow to flip or mirror an image
Mirror a JPG, PNG or WebP left to right, flip it top to bottom, or combine both. Preview the result and download a separate image file.
Read the guide →Convert image formats
How to convert JPG to PNG
Make a PNG copy of a JPEG in your browser. Follow the steps and understand larger files, unchanged pixel dimensions and why conversion does not remove a background.
Read the guide →IMAGE GUIDEHow to convert PNG to JPG
Convert a PNG image to JPEG in your browser. Learn how transparent pixels become white, how quality affects the result and why the output may be larger.
Read the guide →IMAGE GUIDEHow to convert image formats
Choose the right image format and convert a copy in your browser. Compare JPG, PNG and WebP output, transparency, file size and HEIC input support.
Read the guide →IMAGE GUIDEHow to convert PNG to WebP
Convert a PNG to WebP in your browser, check transparent edges and compare file sizes. Learn when the WebP copy is useful and when to keep the PNG.
Read the guide →IMAGE GUIDEHow to convert JPG to WebP
Make a WebP copy of a JPG in your browser. Choose quality, compare file size and detail, and check that your website or upload accepts the new format.
Read the guide →IMAGE GUIDEHow to convert WebP to JPG
Turn a WebP image into a JPG copy in your browser. Follow the steps and understand white backgrounds, quality, file size and static-image limits.
Read the guide →iPhone & HEIC photos
How to convert HEIC to JPG
Learn how to convert HEIC to JPG online, on Mac or on Windows. Follow the steps, compare methods, and understand quality, file size and iPhone settings.
Read the guide →IMAGE GUIDEHow to convert HEIC to PNG
Convert a HEIC or HEIF photo to PNG locally in your browser. Follow the steps and understand larger files, 8-bit output, metadata and still-image limits.
Read the guide →IMAGE GUIDEHow to convert HEIC to JPG on Mac
Convert HEIC to JPG on a Mac with Preview, or use a browser for small batches. Follow the export steps, choose JPEG quality and keep your original.
Read the guide →IMAGE GUIDEHow to convert HEIC to JPG on Windows
Convert HEIC to JPG on a Windows PC in your browser. Follow the steps, handle HEIF codec messages and check quality, file limits and downloaded JPGs.
Read the guide →Start with a specific task
These guides are written in English. The general HEIC guide also has 12 translated versions. The image tools are available in 13 languages.