Support compressed jpg, webp, png, svg, gif animation, apng animation
Easyconvert is a free online image compressor that helps you reduce the file size of JPG, PNG, WebP, SVG, GIF animation, and APNG animation without noticeable quality loss. It runs entirely in your browser — no files are uploaded to any server, ensuring 100% privacy.
The tool provides two compression modes: Lossless and Customize. In lossless mode, the tool maintains the original image quality while applying maximum compression. In customize mode, you can adjust the compression strength to find the perfect balance between file size and image quality.
All processing is done locally using WebAssembly technology. This means your images never leave your device, and the tool works even without an internet connection after the initial load.
Click the "Select the file" button and choose one or more images, or directly drag and drop image files onto this page. You can also paste an image from the clipboard using Ctrl+V, or click "Select folder" to import an entire folder of images.
Select "Lossless" to maintain the highest image quality with maximum compression, or select "Customize" to manually adjust the compression strength. The higher the number, the stronger the compression.
Click the "Start" button in the lower right corner. The tool will process all images locally. Once completed, click the download button to save the compressed images. If you have multiple images, they will be packaged into a ZIP file for convenient download.
JPG compression uses the mozjpeg encoder, which is one of the most efficient JPEG encoders available. It can reduce JPG file sizes by 30%-60% while maintaining visually identical quality. The tool automatically optimizes the quantization tables and Huffman coding to achieve the best compression ratio.
PNG compression uses oxipng (an optimized PNG optimizer) and pngquant (a lossy PNG compressor that reduces palette sizes). Together, they can significantly reduce PNG file sizes while preserving the lossless quality characteristics of the PNG format. For images with many colors, pngquant can reduce the color palette to 256 colors while maintaining excellent visual quality through dithering.
WebP is a modern image format developed by Google that provides superior compression compared to JPG and PNG. The tool uses the official libwebp encoder to compress WebP images. WebP can achieve 25%-34% smaller file sizes than equivalent quality JPEGs, making it ideal for web use.
SVG compression uses SVGO (SVG Optimizer) to remove unnecessary metadata, comments, hidden elements, and other redundant data from SVG files. This can dramatically reduce SVG file sizes, often by 50% or more, without affecting the visual appearance of the vector graphic.
For animated GIF and APNG files, the tool optimizes each frame individually and removes redundant data between frames. This can significantly reduce the file size of animated images while preserving smooth animation playback.
In lossless mode, yes. The tool uses optimized encoders (mozjpeg for JPG, oxipng for PNG, libwebp for WebP) that achieve maximum compression without any quality degradation. In customize mode, there may be minor quality differences depending on the compression level you choose, but the visual difference is usually imperceptible.
No. All image compression happens entirely in your browser using WebAssembly technology. Your images are never uploaded to any server. The entire Easyconvert website is written in pure JavaScript and runs locally on your device.
No login required. The tool is completely free to use with no functional limitations. There are no watermarks added to your images and no usage limits.
There is no hard file size limit. Performance depends on your device's memory and processing power. We recommend processing images up to 20MB each, and no more than 300 images at a time for optimal performance.
It depends on the format and content. JPG files typically compress by 30%-60%. PNG files can compress by 20%-70% depending on the image complexity. WebP files may see 10%-30% additional compression. SVG files with lots of metadata can be reduced by 50% or more. Animated GIF and APNG files can often be reduced by 20%-50%.
Yes. You can select multiple files, drag multiple files, or even import an entire folder. The tool will process all images in batch and package them into a ZIP file for download.
The standard compress tool focuses on reducing file size and may strip some metadata. If you need to compress JPG files while preserving EXIF data (camera info, GPS, etc.), please use our dedicated Compress JPG and Keep EXIF tool.
We recommend using a computer (PC) with Chrome or a Chromium-based browser for the best experience. The tool may work on mobile devices, but the interface is optimized for larger screens.