When should I use it?
Use before uploading hero images, product photos or blog media when you need smaller files without a desktop app.
Online Image Utility
Image Compressor
Shrink image file size with quality control, live preview and a full Optimization Report.
100% Browser-Based — images never upload to our servers. Compress, convert and edit locally with Canvas.
✓ Browser Processing
✓ No Upload
✓ Privacy First
✓ Free Forever
✓ Works Offline
Drag & drop image here
or browse · paste from clipboard (Ctrl+V)
Original
Result
Tool Options
Working…
Optimization Report
Download
Need full-site SEO + asset audits?
Continue with related FreeConverter.app image and SEO tools — all browser-based.
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FreeConverter.app Guide
What does Image Compressor do?
Compress JPG, PNG and WebP in your browser with quality presets and a size-savings report.
Who is it for?
Website owners, bloggers, ecommerce teams and developers.
Example input
A 4 MB product JPG from a phone camera
Example output
Compressed JPG/WebP with quality slider and before/after byte savings
Browser processing100% in-browser
PrivacyLocal Processing
UploadNot required
DifficultyEasy
How It Works
Private, local image processing in your browser.
1
Drop or browse
Add an image by drag & drop, file browse, or paste from clipboard. Nothing leaves your device.
→
2
Process locally
Resize, compress, convert or edit with Canvas — preview and Optimization Report update live.
→
3
Download
Save the result, copy to clipboard, or download a ZIP for batch outputs.
Zero server upload — every pixel stays on your device.
About Image Compressor
Compress JPG, PNG and WebP with quality presets, optional resize and EXIF control. Side-by-side size savings and Optimization Report — 100% local. Includes an Optimization Report with size savings, web format tips and SEO filename/ALT suggestions — all generated in the browser.
FAQs
Lossable compression can slightly reduce detail. Use higher quality presets for photos, then preview the result.
No. FreeConverter.app processes images with Canvas APIs in your browser.
Photos usually prefer JPG or WebP. UI graphics with transparency often stay PNG or convert carefully to WebP.
Aim for the smallest file that still looks sharp on the intended display size — then serve modern formats like WebP where possible.
Works in current Chrome, Firefox, Safari and Edge with Canvas support.
This tool prioritizes privacy and convenience. Batch pipelines and CLI may still be better for huge folders.
No. All image tools process files in your browser. FreeConverter servers never receive your images.
JPG, PNG, WebP, GIF (first frame), BMP, AVIF when the browser can decode it, and limited SVG rasterization.
Yes. FreeConverter.app browser image tools are free to use.
No. FreeConverter.app processes this tool locally in your browser. Your input is not uploaded to our servers.
No. Image Compressor on FreeConverter.app is free to use without creating an account.
Website owners, bloggers, ecommerce teams and developers.