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IMAGE COMPRESSOR
Reduce image file sizes instantly. Everything is processed locally in your browser—no files are uploaded to any server.
Original File
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Compressed File
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What is Image Compression?
Image compression reduces file size by either reducing quality (lossy compression), removing metadata, or decreasing pixel dimensions. This is essential for web developers optimizing page load speeds, content creators preparing images for social media upload limits, and professionals sending images via email. Our browser-based compressor gives you full control over both quality and dimensions with real-time preview and file size comparisons so you can find the optimal balance.
Why Use Our Image Compressor?
Images often contain sensitive content—personal photos, identity documents, business materials—that should not be uploaded to third-party services. Our tool processes everything within your browser using the HTML5 Canvas API. Your images are loaded into memory, processed locally, and the compressed result is generated for download without any network request. The side-by-side preview lets you compare original and compressed versions before committing.
Frequently Asked Questions
How much can I reduce file size?
Photos taken with modern cameras (5-20MB) can typically be reduced by 70-90% with minimal visible quality loss. A 10MB JPEG can often be compressed to under 1MB at 60-70% quality with negligible visual difference.
Does compression change dimensions?
Only if you choose to resize. Our tool offers both quality adjustment (reduces size without changing dimensions) and dimension scaling. You can use either or both.
What formats are supported?
JPG/JPEG and PNG files. JPEG is ideal for photographs, while PNG is best for graphics and images requiring transparency.