Compress Image
Compress image online for free. Reduce JPG, PNG, WebP, AVIF, HEIC, GIF, BMP, and TIFF files in your browser with no upload required.
or drop files here
Maximum file size: 50MB per file
Convert to a modern format for better compression. WebP is recommended for best results.
High Quality
Maintain file quality while reducing file size up to 80%.
100% Secure
All processing happens in your browser. Your files never leave your device.
Super Fast
Compress multiple files in seconds with our optimised algorithms.
Compress, convert & crop images offline on iPhone - privacy-first, batch up to 200
Compress to Target Size
Quickly compress your files to specific file sizes
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About the Image Compressor
Let Compress gives you one browser-based tool for reducing image size across popular formats such as JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, and HEIC. Format-aware compression keeps images usable for websites, email, storage, and sharing while your files stay on your device. Whether you are optimizing for the NBN, preparing myGov submissions, or sharing files across Australia's vast distances, this tool keeps your files light and quick to transfer — even on regional, fixed-wireless, and satellite connections, with no upload required.
Made for Users in Australia
Australian internet ranges from fast NBN fibre in the capitals to satellite and fixed-wireless in regional and remote areas. Keeping files small is essential for reliable sharing across the NBN, for uploads to myGov and state services, and for delivering content to audiences on Telstra, Optus, and Vodafone mobile networks across vast distances.
- myGov and state government portals enforce upload limits — compress scanned IDs and documents before lodging them.
- For regional users on fixed-wireless or satellite NBN, smaller files mean fewer timeouts on slower, higher-latency links.
- Australian mobile plans often include data caps; pre-compressed media saves data for end users on the go.
- When sharing with New Zealand and Southeast Asia, smaller attachments transfer more reliably across trans-Tasman links.
How to Compress Images Online
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1
Upload your images
Choose one or more JPG, PNG, WebP, AVIF, HEIC, GIF, BMP, or TIFF files from your device.
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2
Choose output and quality
Pick the format and quality settings that match your use case, such as smaller website images or easier email sharing.
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3
Compress and download
Run compression in your browser, preview the results, and download the reduced images individually or in a ZIP file.
Frequently Asked Questions
Is this image compressor private?
Yes. Image compression happens locally in your browser, so your files are not uploaded to our servers.
Which image formats can I compress?
You can compress common image formats including JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, and HEIC.
Will image quality change after compression?
Compression settings affect the final balance between file size and visual quality. In most cases you can reduce image size significantly while keeping the image clear enough for web, email, and everyday sharing.
Can I compress multiple images at once?
Yes. You can add multiple images, compress them together, and download the results one by one or as a ZIP archive.
How to compress photos online?
Upload your photos to our image compressor and adjust the quality slider. Supports JPG, PNG, WebP, HEIC, GIF, BMP, and more. All processing happens in your browser.
How to compress a picture for email?
Upload your picture, reduce quality until the file size is under your email limit, then download. Works with any image format and keeps your files private.
What is the best image compressor?
Our browser-based image compressor reduces file size by up to 80% while keeping visual quality. It supports all major formats and never uploads your images to any server.
Can I compress files for myGov and state government portals?
Yes. myGov and state services often limit document sizes. Our tools help you get scans and forms under those limits before you upload them.
Will this work on slow regional or satellite NBN?
Yes. Because files are processed locally and never uploaded, the tool works well even on fixed-wireless and satellite connections where upload speeds are limited.
Does it respect my data cap?
Absolutely. Since nothing is uploaded, you only use data for the final, smaller download — ideal for Australians on metered mobile and NBN plans.
What file formats are supported?
We support PNG, JPG, WebP, AVIF, GIF, BMP, PDF, and many more. Check each tool page for its specific format support.
Why Choose Let Compress?
- No upload — saves your NBN and mobile data allowance
- 100% free, no sign-up — no subscriptions or hidden fees
- Reliable on slower regional, fixed-wireless, and satellite NBN connections
- Batch processing for busy Australian workflows
- Works in any modern browser — nothing to install
- Privacy by design — your files stay on your device
Learn More About File Compression
Explore these authoritative resources to deepen your understanding of file compression and optimisation.
MDN Web Docs: Image Optimisation
Comprehensive guide on image optimisation for web performance by Mozilla.
Google Web Fundamentals: Image Optimisation
Best practices for image optimisation from Google's web performance team.
W3C WebP Specification
Official W3C specification for the WebP image format.