Compress Image

Lighten up your JPG, PNG, and WebP images.

STEP-BY-STEP GUIDE

How do you compress an image?

Treat pixel dimensions and compression settings separately in Photoshop or a suitable image encoder.

  1. Choose target dimensions

    Decide the pixel width and height needed for the image.

  2. Remove unnecessary pixels

    Resize proportionally to the required dimensions in a capable editor.

  3. Set the encoding

    Choose JPEG quality or WebP’s lossy or lossless mode for the use.

  4. Compare the copies

    Compare the new file’s size and fine details with the source.

This guide explains the general workflow in an application that supports the operation. This version offers file selection and type/size checks; it does not generate processed output.

Frequently asked questions

Answers about the workflow, file quality, and situations you may encounter.

What is lossy versus lossless compression?

Lossy compression discards data; lossless compression reconstructs the original pixel data when decoded.

What suits logos and screenshots?

Lossless encoding better avoids compression artifacts around sharp text and lines.

What does JPEG quality change?

Lower quality can reduce size but lose detail; higher quality generally produces a larger file.

Why do images shrink by different amounts?

Results depend on the source format and encoding choices; converting to WebP does not always produce a smaller file.

Will changing PPI alone reduce file size?

Without resampling, pixel dimensions stay unchanged; a PPI setting alone does not reduce image data.

Can I complete the operation and download a file on this page?

This version supports file selection and checks of file type, size, and count. Processing is not connected, so it does not convert, edit, or generate downloads. The guide describes a workflow in an application that supports the operation.

Which file types and sizes can I select?

This tool accepts JPG, JPEG, PNG, WEBP file extensions. You can select up to 20 files, with a 25 MB per-file limit and 100 MB total. Checking an extension does not verify that the file contents are valid or undamaged.

Are my selected files sent to a server?

In this version, file contents are not read or uploaded. Selections stay in the tab’s memory and are cleared on refresh. File names, extensions, and sizes are used only to display and check your selection.