// compression tool
File Size Reducer
Compress images and PDFs to a target KB size — all processing happens in your browser. No uploads. No limits.
✅ Free
🔒 100% Private
📸 JPG · PNG · WEBP
📄 PDF
Drop images here
or click to browse · JPG, PNG, WEBP · Multiple files OK
Compressing…
Drop PDF files here
or click to browse · Multiple PDFs OK
Compressing PDF…
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Images
Lower quality + WebP format = smallest file size while keeping good visual quality.
📄
PDFs
PDFs are re-rendered page by page and compressed as JPEG. Best for scan/photo PDFs.
🔒
100% Private
All compression runs in your browser. Nothing is ever uploaded to any server.
📦
Batch
Upload multiple files at once and download them all in one click.