One rule for the batch
Choose smart quality for a balanced default or set a manual quality when a publishing workflow requires a repeatable value.
Compress Image Online
Upload common image formats and reduce image size locally in your browser.
$9/month
Need more batches?
Pro is for sellers and teams processing images every week.
- 5,000 images/month
- Keep processing after the free weekly limit
- Use Pro on any signed-in device
By purchasing, you agree to the Terms of Service and Privacy Policy. Support: support@picready.net.
Compress multiple images at once without uploading the originals
A bulk image compressor applies one quality and format policy to a folder instead of making you repeat the same export for every file. PicReady decodes and re-encodes each supported image in your browser, shows the measured result per file, and packages completed outputs into one ZIP when the batch passes review.
Measured file savings
Review original and optimized bytes for every image plus the total saved across the completed batch before downloading.
Private browser processing
Compression, previews, and ZIP creation run on your device, so source images do not need to reach an image-processing server.
A reliable bulk compression check
- Start with a small mix of photos, screenshots, transparent graphics, and images containing text; one setting will not affect every source in the same way.
- Keep pixel dimensions unchanged when they already fit the destination. Add a maximum width or height when oversized source pixels are the main cause of excess weight.
- Inspect gradients, sharp edges, product labels, and transparency in the before-and-after preview before exporting the complete ZIP.
- Keep the originals outside the downloaded output folder so you can retry a different format or quality without compounding compression loss.
Compression quality is destination-specific
A photo can often tolerate a smaller lossy file than a screenshot with tiny text or a graphic with flat color. Smart quality samples the output and selects a practical encoding level, but visual review still matters. If a difficult file looks soft, raise quality, keep more pixels, or choose PNG when lossless detail and transparency are more important than the smallest possible result.
Do not equate a file-size percentage with an exact page-speed improvement. A production page also depends on responsive image markup, displayed dimensions, caching, hosting, and network conditions. PicReady reports the direct evidence—the output bytes—so you can test the published page separately.
When to compress, resize, or convert
Compress when dimensions are already appropriate but encoding is inefficient. Resize when a camera or design export contains many more pixels than the destination displays. Convert when the receiving system supports a format that better fits the content or workflow. A batch may need all three operations, but each change should serve a known destination requirement.
Re-encoding produces new image files and removes source-file metadata that is not represented on the output canvas. If capture metadata or archival fidelity matters, retain the untouched originals and verify the downloaded files before replacing anything in a CMS, catalog, or client archive.
From large files to web-ready images
Upload your images
Drag and drop common image formats, including JPG, PNG, WebP, and HEIC.
Choose your optimization preset
Pick Website, Blog, Shopify, or a target file size.
Download web-ready images
Get compressed, resized, and renamed images in a ZIP file.
Built for site owners, stores, and SEO work
PicReady keeps the workflow simple: local processing, practical presets, and filenames that are ready to publish.
For websites
Compress landing page, blog, and portfolio images before publishing.
For ecommerce
Optimize product photos for Shopify, WooCommerce, Etsy, and marketplaces.
For SEO
Reduce image size, convert to WebP, and create clean filenames.
SEO landing pages ready for search
Compress images onlineCompress image to 100KBCompress image to 200KBConvert images to WebPResize images for websitesRemove image backgroundsOptimize Shopify imagesBatch resize imagesBatch crop imagesResize image to 16:9Resize image to 9:16Make product photos squareJPG to WebPPNG to WebPWebP to JPGShopify product image sizeAmazon product image resizer
Bulk image compression questions
Can I compress multiple images at once?
Yes. Add up to 20 supported images, apply one set of compression and output settings, review each result, and download individual files or one ZIP.
Are source images uploaded for compression?
No. PicReady processes the image data and creates the output files locally in your browser.
Will every compressed image be smaller?
Not necessarily. Already-efficient sources, PNG output, or high-quality settings can produce little reduction or a larger file, so compare the measured result before downloading.