Compress image

Oversized images slow down websites, bounce off email attachment limits and get rejected by upload forms. pdfty's image compressor shrinks JPGs, PNGs and other common formats so they load faster and fit wherever you need to send them, without making you learn image settings. Typical uses: product photos for an online shop, images for a blog post or attachments for a job application.

Pick a preset: quality 85 for barely visible changes, 70 for a good everyday balance, or 50 for the smallest files. Lossy formats like JPG are re-encoded at that quality. PNG and other lossless images are optimized losslessly and saved as PNG, so graphics and screenshots keep every pixel. If compression would not make a file smaller, you get the original back — the output is never larger than what you uploaded.

Upload several images at once and get a ZIP. Free: no daily limit, up to 20 MB per file, no watermark, no sign-up. Files are deleted within 1 hour. For PDF files rather than images, use our PDF compressor instead. Your originals on disk are never touched, so you can always try another preset.