Browser based image compressor

Compress Image Online without leaving the page

Upload one or multiple images, set a target file size, choose the output format, and compress them directly in your browser. This page is built for speed, batch use, and clean mobile-friendly editing.

It is useful when you need smaller image files for uploads, sharing, email attachments, SEO pages, or gallery use. The workflow stays lightweight, and the controls are designed so you can compress quickly without extra software.

Batch compression Target KB JPG / WebP Drag & drop Mobile friendly
0Selected files
0 KBCompressed size
0%Average reduction
IdleProcess state

Compress Image Tool

Upload images and compress them to a smaller size with one click.

Preparing compression…
Upload images to start compressing them.
Current fileNo file
Total size0 KB
OutputPending
FormatWebP

Image Queue

Images appear here after upload.
Output preview Waiting for compressed files
0 files

Why use Compress Image Online

Image compression helps you reduce file size without losing the visual quality you need for websites, forms, apps, and sharing. Smaller files load faster, upload faster, and are easier to store. This tool keeps the workflow simple by letting you set a target size and process multiple images at once.

It is a practical choice when you want to optimize photos for a web page, reduce attachment size before sending a message, or prepare images for a lightweight page. Because the process happens in the browser, the workflow stays quick whenever possible.

Best use cases

Website images

Reduce page weight so content loads faster for visitors.

Email attachments

Make files smaller so they are easier to send and receive.

Gallery uploads

Prepare image sets for quick upload and storage.

Form submissions

Compress scanned documents and photos before uploading.

How to use

Upload your images

Select JPG, PNG, or WebP files from your device or drag them into the upload box.

Set your target size

Enter the approximate KB value you want for the final image output.

Choose format and size

Pick WebP or JPG, and adjust the maximum image side if you want extra resizing.

Compress the files

Click the compression button to start processing each image in sequence.

Review output

Check the preview cards to compare original and compressed sizes.

Download results

Use the download buttons to save each compressed file or export them one by one.

Features

Batch compression

Process multiple images in one run.

Target KB control

Set an approximate output size that fits your use case.

Format selection

Choose between WebP and JPG for the final output.

Drag and drop

Upload files with a simple drop zone.

Progress display

See the compression status while files are processed.

Download buttons

Save each compressed file individually after conversion.

Benefits

Faster loading

Smaller images help web pages load more quickly.

Lower storage use

Compressed images take less space on your device or server.

Easy sharing

Lightweight files are easier to send in chats and emails.

Mobile friendly

The tool works well on smaller screens too.

FAQ

Can I compress multiple images at once?

Yes, the tool supports batch compression so you can process several files in one session.

Which format is smaller, JPG or WebP?

WebP is usually smaller for the same visual quality, especially for web use.

Can I set a target file size?

Yes, you can enter an approximate KB target and the tool will try to get close to it.

Will transparency be preserved?

Transparency is not preserved in JPG, but WebP generally handles it better.

Does this run in the browser?

Yes, the compression workflow runs locally in your browser whenever possible.

Can I use it on mobile?

Yes, the layout is responsive and works on phones, tablets, and desktop devices.

Keep using ConvertOPDF tools

Move to another PDF or image utility whenever you need the next quick task done.

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