Guide
How to Compress Photos Online — Image Compressor Step-by-Step
This guide walks you through using the free PrivatePhotoSuite Image Compressor to compress photos without uploading your photos to any server. All processing happens in your browser — your images never leave your device.
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Zero upload guaranteed. Your photos are processed entirely in your browser. No server receives your images, no data is stored remotely.
Step-by-step guide
- 1
Open the Image Compressor
- 2
Upload your photos (JPG, PNG, or WebP)
- 3
Adjust the quality slider or choose a preset (Web, Balanced, Print, Max)
- 4
Use the before/after slider to preview the difference
- 5
Click Compress & Download All
Tips & best practices
- Use high-resolution source photos for the best output quality.
- This tool works offline after your first visit — useful for sensitive photos.
- No account is ever required. Your editing history stays on your device.
Frequently asked questions
How much can I compress?
Typically 40-80% reduction depending on the image and quality setting.
Which format compresses best?
WebP usually produces the smallest files at equivalent quality to JPEG.
Does it damage photos?
At quality 80+, the difference is typically invisible to the human eye.