Bulk Image Compressor
Bulk Image Compressor
Compress up to 50 photos simultaneously in your browser with 100% privacy.
Batch Settings
Global compression level
Drag & drop images here, or click to browse
Supports PNG, JPG, JPEG, WEBP, SVG • Up to 50 images simultaneously
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About Bulk Image Compressor
Modern cameras and smartphones produce photographs and design assets often exceeding 10MB to 30MB each. When preparing images for websites, digital forms, real estate listings, or email campaigns, uploading images individually is painfully slow. ConvertSheet's Bulk Image Compressor runs locally on your device hardware, allowing you to optimize up to 50 photos in parallel with real-time savings calculations and one-click ZIP packaging.
How to Convert Bulk Image Compressor to Result Online in 3 Simple Steps
Convert your data effortlessly with zero installations and complete local privacy.
- 1Step 1:
Upload batch of images
Drag and drop up to 50 JPG, PNG, or WebP files or choose them from your device.
- 2Step 2:
Fine-tune compression/quality
Apply a global quality preset or adjust individual photo sliders to achieve your ideal balance of sharpness and file size.
- 3Step 3:
Download individual or ZIP
Download individual compressed photos or export the complete batch in a single convenient ZIP archive.
Frequently Asked Questions: Bulk Image Compressor
Answers to common questions regarding inputs, calculations, and mathematical methodology.
Is my photo uploaded to an external server?
No. All compression, resizing, and ZIP packaging happens entirely within your web browser using client-side JavaScript and Canvas APIs. Zero image data is sent across the internet.
What is the file limit for batch compression?
You can compress up to 50 images simultaneously, with support for files up to 50MB each depending on your device's browser memory.
Which formats are supported?
Our bulk compression engine supports JPEG/JPG, PNG, and WebP image formats, preserving alpha transparency where applicable.
How does ZIP export work?
All compressed files in your batch are packaged locally using client-side ZIP streaming, allowing you to save all optimized images with one click.
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