ποΈ Bulk Image Compressor
Compress multiple images at once β JPG, PNG, WebP, BMP
All processing stays in your browser. Download as ZIP.
π¦ Bulk upload
π No server
π Resolution preserved
Drag & drop or click to select
Supports JPG, PNG, WebP, BMP (max 50 files)
Smaller file
Better quality
85%
Processing images...
0%
No images selected
π¦ Why Use Bulk Image Compression?
If you have many product photos, social media images, or scanned documents, compressing them individually is tedious. Our tool lets you compress up to 50 images at once and download them as a ZIP file β all in your browser, private and fast.
- β 100% clientβside β no upload, no server, complete privacy.
- β Preserves original resolution β we never resize your images.
- β Adjustable quality β control file size vs. image quality.
- β Multiple formats β JPEG, PNG, WebP output.
- β Download as ZIP β get all compressed images in one archive.
π How It Works
- Select multiple images (drag & drop or click).
- Choose output format (JPEG, PNG, or WebP) and quality (for JPEG/WebP).
- Click βCompress All Imagesβ β we process each image locally using Canvas.
- Review the file size reduction for each image.
- Click βDownload ZIPβ to save all compressed images.
All processing uses the browserβs native image encoding β no external libraries except JSZip for ZIP creation.
π‘ Compression Tips
- JPEG is best for photographs β reduce quality to 70β85% for good balance.
- PNG is lossless β good for logos, text, but file sizes are larger.
- WebP offers excellent compression; set quality similar to JPEG.
- Original dimensions are always preserved β no unwanted resizing.
β Frequently Asked Questions
No β we never resize images. The compressed output has exactly the same width and height as the original. Only file size is reduced (for lossy formats like JPEG/WebP).
You can select up to 50 images per batch. For larger numbers, you can run multiple batches.
No. All compression and ZIP creation happen inside your browser. Your images never leave your device.