🔒 Please log in to use tool features (fill sample / analyze / AI interpretation / export document)
HomeQuality ToolsImage Compression Tool
Image Compression ToolFree online tool · works on PC and mobile
Use it now →

Image Compression: Batch Shrink Files Without Visible Quality Loss

What is the Image Compression Tool?

The tool batch-reduces image file sizes with support for JPG, PNG and WebP, letting you choose compression quality and output dimensions while comparing the before and after size on screen. It suits screenshots, photos, product images and document illustrations, making files smaller, faster to load and easier to upload or attach, with little visible quality loss. It is a small but frequently used office utility.

When to Use It

Use it for web and mobile page images that must load fast, email attachments that exceed size limits, system uploads such as supplier files and inspection photos, and Word or PPT documents that have become too heavy. Quality personnel often find that phone photos of defects or audit evidence are too large to upload; compressing them makes archiving and sending quick.

How to Use It (Step by Step)

Upload one or more images, choose a quality preset (high quality, balanced or small size) and optionally a target dimension, then run the compression and compare the result. Download the compressed files, or download all batch results as one archive. Processing runs locally so images are not uploaded to a server, and privacy-sensitive images should be anonymized before use.

Key Formulas / Example

There is no formula; the trade-off is quality versus size. As an example, a 3 MB photo can typically be reduced to about 300 KB at balanced quality with no obvious visual difference on screen. Lower quality settings give smaller files but more artifacts, so adjust per image until the balance suits your need.

Open Image Compression Tool → Calculate online in your browser · free registration · PC and mobile
UTILITIES Discussions · Latest
No discussions yet — be the first to ask a question in the community.
Frequently Asked Questions
Does compression damage quality?
Smart compression keeps as much detail as possible while meeting the size goal. Lower quality settings produce smaller files with more visible loss, so choose the trade-off that fits your use.
Which formats are supported?
JPG, PNG and WebP and other common raster formats are supported. GIF animations and special formats should use dedicated software.
Is there a quantity limit?
Batch upload is supported; a single batch is best kept to a few dozen images. Larger batches are queued automatically and downloaded together when finished.