WhatsApp Image Compressor — Free Online

A sharing copy should still show the information the recipient needs. Inspect faces, small labels and handwritten details after compression. A menu, ticket or screenshot may need a larger allowance than an informal photograph. If the recipient must edit or print the original, keep that original separately rather than treating a small messaging copy as an archival replacement.

This tool does not connect to WhatsApp, inspect contacts or choose the app’s sending mode. The destination may apply its own processing after you attach the file. A successful local size target therefore describes this download, not a guarantee about the exact copy received by another person. Check a sample through the intended workflow when preserving specific visual details matters.

JPG is selected initially for a simple photograph, so transparent regions become white. Choose PNG or WebP when transparency is needed and supported by the destination. For iPhone sources, HEIC to JPG prepares a supported input. Use Compress Image for Email for a group of email attachments; it explains a different budgeting problem. In either case, download the prepared copy before opening the messaging application.

Open one JPG, JPEG, PNG or WebP and review the preset before starting. A target is a maximum file budget, not an exact output weight. These pages use decimal units: 1 KB is 1,000 bytes and 1 MB is 1,000,000 bytes. You can change the target, select the output format and switch optional resizing on or off. Where a maximum long edge is preset, both dimensions scale together and smaller sources are not enlarged. Use Resize Image first when an exact canvas or crop is required.

The compressor tries encoding settings and measures their output. JPEG and WebP can discard detail; PNG compression may reduce the color palette. A demanding byte budget can also trigger proportional downscaling, even after you choose starting dimensions. The result shows the final dimensions and whether the maximum was met. An unsuccessful attempt remains clearly marked; choosing a bigger budget or changing dimensions may be necessary. JPEG puts transparency on white. For HEIC or AVIF, use Image to JPG before opening the result here.

Compare fine text, edges and important details before downloading. A smaller number is useful only if the image remains suitable for its destination. Return to the original when trying another setting, rather than repeatedly compressing the last copy. An already-fitting source is returned unchanged, including metadata, only when its format and dimensions also need no change. Processing is free and local to your browser, without signup or image uploads to our processing servers. The tool handles one file at a time and does not replace files in your library, upload to another account or submit a form for you.