Bulk Image Compressor Online Free
Compress multiple images at once directly in your browser. Upload JPG, PNG, WebP or GIF files, choose quality and output format, then download smaller images.
Upload Images
Select multiple images. The compressor uses browser Canvas, so normal photos work best.
Compression Settings
Lower quality creates smaller files. WebP usually gives strong compression for website use.
| Preview | File Name | Original | Compressed | Saved | Status | Download |
|---|---|---|---|---|---|---|
| No images selected yet. | ||||||
How To Use Bulk Image Compressor
Step 1: Upload Multiple Images
Click the upload area and select multiple images from your computer or phone. You can also drag and drop image files into the upload box.
Step 2: Choose Compression Settings
Select JPG, WebP or PNG output, adjust quality and optionally enter a maximum width. If max width is set to 0, the original image dimensions are used.
Step 3: Compress All Images
Click Compress Images. Each image is processed in the browser and shown in the result table with original size, compressed size and saved percentage.
Step 4: Download Results
Download files one by one or use Download All. Some browsers may ask permission when many downloads start together.
Is bulk compression free?
Yes. This page compresses images in your browser without requiring paid software or account login.
Are files uploaded to a server?
No. The compression uses local browser APIs. Your selected images are processed inside your browser session.
Which format should I choose?
WebP is usually best for website images. JPG is widely compatible. PNG is useful when you need sharper graphics, but it may not always reduce size.
Why did one image become larger?
Some already optimized images may not compress further. Changing format or quality can affect final size differently for each image.
Compress Multiple Images Online
A bulk image compressor is useful when you need to reduce many images before uploading them to a website, blog, form, email or online store. Large images can slow pages, increase upload time and consume more storage. Compressing images helps make files easier to share and faster to load.
This tool focuses on a simple browser-based workflow. You can select multiple image files, choose a quality level, optionally resize large images and export compressed files without installing software. The result table helps compare original and compressed file sizes so you can quickly see how much space was saved.
For website use, WebP often provides excellent compression while keeping good visual quality. JPG is a strong option for photos and is compatible almost everywhere. PNG can be useful for transparent graphics, but browser-based PNG export may not always create smaller files because PNG quality settings work differently from JPG and WebP.
If you need smaller output, reduce quality or set a maximum width. Resizing very large images often saves more file size than quality changes alone. For best results, choose a balance that keeps the image clear while reducing unnecessary data.