Bulk Image Compressor
Batch compress multiple images simultaneously with controlled browser processing and ZIP archive export.
Select Images to Compress
Upload multiple images to compress in batch entirely inside your browser.
JPG, PNG, WebP • Max 20 MB per file
Queue is empty
Add multiple images using the upload area on the left to batch compress your files.
Privacy: Your images are processed locally in your browser. OfficeKit does not upload or store the images you select in this tool.
Review Notice: Verify compressed file sizes, visual quality, and archive integrity before production use.
Batch Compression Architecture & Performance
Designed for high-throughput image optimization workflows with zero server latency or file upload wait times.
Batch Quality & Format Settings
Set quality and target output format (Original, WebP, or JPEG) once to apply uniformly across your entire image queue.
Resource Throttling
Queue processing is rate-limited to avoid hogging your CPU or memory. Failed items are isolated without interrupting remaining files.
Standard ZIP Export
Download all optimized images in one click as a lightweight ZIP archive formatted with sanitized filenames and collision avoidance.