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BulkPicTools

Bulk Image Compressor

Compress unlimited JPG, PNG, and WebP images at once. Reduce file size by 80-90% or to specific targets (200KB, 1MB) locally without losing quality.

Drag & Drop Images

JPG, PNG, WebP • Batch Compression

Browser-Local Compression • No Uploads
Related ToolsCompress Image to 100KB
Compress Image to 1MB
Compress Image to 200KB
Compress Image to 2MB
Compress Image to 500KB
Compress Image to 50KB

Advanced Smart Compression

Our intelligent algorithm uses perceptual color modeling to minimize image size while maintaining visual fidelity. Perfect for optimizing LCP and Core Web Vitals for SEO.

Industrial Batch Processing

Optimized for heavy workloads. Drag and drop entire folders or up to 1000 photos. Our tool utilizes multi-threading to process your batch in record time.

True Client-Side Privacy

Unlike TinyPNG or other cloud tools, your photos never leave your device. We use WebAssembly (Wasm) to compress images directly in your RAM, ensuring 100% data privacy.

Guides & Tips

Why Local WebAssembly Compression is Superior

Standard online compressors require you to upload your sensitive photos to their servers, creating a privacy risk and wasting bandwidth. Our Bulk Image Compressor leverages WebAssembly (Wasm) technology. This allows professional-grade compression libraries (like MozJPEG) to run directly inside your browser at near-native speeds.

By processing images locally, you bypass wait times and file size limits common in other tools. Whether you are handling 50MB raw shots or thousands of product photos, our local engine ensures a seamless, secure, and fast workflow without server-side latency.

Targeting Specific Sizes: From 50KB to 2MB

Different platforms require different constraints. A government portal might demand a 200KB limit, while Discord favors files under 8MB for instant previews. Our tool provides a precision-engineered 'Target Size' mode.

By intelligently adjusting the quantization tables and chroma subsampling, we hit your target size with surgical precision. If you're a web developer, optimizing your assets to under 100KB is the single most effective way to improve your PageSpeed Insights score and reduce bounce rates.

Optimizing E-commerce and Professional Workflows

For Shopify, Amazon, or Etsy sellers, image consistency is key. Large, unoptimized images slow down product pages and kill conversions. Our batch image optimizer allows you to standardize your entire catalog in minutes.

Beyond just resizing, we remove invisible metadata (EXIF) that bloats file sizes. This creates lean, web-ready images that look stunning on 4K Retina displays while occupying 80% less disk space. Save on hosting costs and provide a snappier experience for your customers.

How to use

1

Upload Images

Select or drag your JPG, PNG, or WebP images. You can upload up to 1000 files at once for batch processing.

2

Set Target Size

Adjust the compression level (e.g., 80%) or target a specific file size (e.g., <strong>compress to 200KB</strong>) for strict requirements.

3

Download

Click 'Compress All' to minimize file sizes instantly. Download the optimized images individually or as a single ZIP file.

FAQ

Upload your photos and select the 'Target Size' option. Enter your desired limit (e.g., 200). Our algorithm will iteratively adjust the quality until the file meets your requirement while preserving the best possible clarity.