Dummy Image Generator
Generate placeholders for mockups, layouts, and prototypes.
PNG ve JPG görsellerin dosya boyutunu tarayıcıda azaltın.
Supports JPEG, PNG, and WebP format imports. Suggested max file size limit: 10MB. 100% private, files never leave your system.
WebP 75-80% is recommended for blogs.
It provides up to 80% size savings compared to PNG/JPEG with imperceptible quality loss.
Next step: Convert to WebP format
The Free Image Compressor is a local utility that reduces file sizes of PNG, JPG, and WebP images. By utilizing native HTML5 canvas rendering streams and client-side compression algorithms, the compressor allows you to optimize files without uploading them to remote servers. Keep absolute control over image quality, output resolution, and target sizes. Ideal for bloggers, web designers, and content managers who need to optimize visual assets to improve website speeds and boost Core Web Vitals.
Local image compression that operates offline without uploads.
Adjustable quality slider with real-time file size previews.
Supports batch operations for multiple image compression.
Converts and outputs directly to optimized WebP, JPG, or PNG.
Displays percentage space saved comparison logs.
Step-by-step interactive mockup tutorial
Most online görsel sıkıştır utilities require uploading your files to remote servers, exposing sensitive business or personal data to leakage, and throttle speeds with download queues. Toolchi is different. All scaling, cropping, and compression operations run strictly inside your browser tab utilizing canvas and CPU threads. Our workspace integrates a dynamic Web Speed Readiness Score to analyze page load suitability, and offers custom presets tailored for blog heroes (1200px), SEO previews, and social headers with 100% file privacy.
Toolchi offers high-performance Developer APIs for this tool's pipeline. Integrate image compression, PDF merge/split, SEO audits, and AI generation programmatically.
The tool uses smart lossy compression, which removes imperceptible visual data. You can adjust the quality slider to find the perfect balance between size and quality.
You can upload and compress up to 20 images simultaneously, processed locally in parallel.
Yes, the images never leave your computer. Processing runs entirely in your local browser sandbox.
Yes, WebP is the recommended format for web optimization, and the tool compresses it efficiently.
Lossless compression reduces size without touching pixel quality, while lossy compression removes minor pixel details to save significant storage space.
Toolchi operations are executed fully in your local browser sandbox. Zero files, strings, or image buffers are uploaded to servers, ensuring complete security.
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