Free Image Compressor Online - Compress JPG, PNG, WebP & All Image Formats Without Upload | Reduce Image File Size
Free Image Compressor Online - Reduce Image File Size Without Quality Loss
Compress almost any image format online free without uploading to any server. Our free image compressor supports JPEG, PNG, WebP, HEIC, TIFF, BMP, GIF, RAW formats, and virtually any image format powered by FFmpeg. Reduce file sizes by up to 90% while preserving visual quality. Perfect for optimizing images for websites, improving page load speed, reducing email attachment size, or saving cloud storage space. Convert to modern WebP format for maximum compression, or use traditional JPEG/PNG for compatibility. Adjust quality settings, strip EXIF metadata for privacy, and optionally resize or crop images—all with instant preview. All processing happens locally in your browser, ensuring your images never leave your device.
How to Compress Images Online Free
- 1.Upload your image - Click “Choose Image” or drag and drop your JPEG, PNG, WebP, HEIC, TIFF, BMP, or any image file
- 2.Select format - Choose WebP for best compression, JPEG for universal compatibility, or PNG for lossless quality
- 3.Adjust quality - Use the quality slider to balance file size and image quality (70-85% recommended)
- 4.Optional adjustments - Resize, crop, enable lossless mode, or strip metadata
- 5.Compress & download - Click “Compress Image” and save your optimized file
Why Use Our Free Browser-Based Image Compressor?
- Privacy First: Images never leave your browser
- No Upload Required: Process images offline
- All Image Formats: JPEG, PNG, WebP, HEIC, TIFF, BMP, GIF & more
- Instant Processing: No server delays or queues
- Completely Free: No watermarks or limits
- Advanced Control: Quality, resize, crop, and more
Frequently Asked Questions
Are my images uploaded anywhere?
No, absolutely not. All image processing happens directly in your browser using WebAssembly technology. Your images never leave your device, are never uploaded to any server, and remain completely private. You can even use this tool offline after the initial page load.
Which image format should I choose?
WebP provides the best compression (30-50% smaller than JPEG) and is supported by all modern browsers. Choose JPEG for maximum compatibility with older devices. Use PNG for images with transparency or when you need lossless compression.
How much can I reduce image file size?
Typically 50-90% reduction is possible. Results depend on the original format and your settings. Converting a PNG to WebP with 80% quality often reduces file size by 80-90%. JPEG to WebP conversions typically achieve 30-50% reduction while maintaining similar quality.
What quality setting should I use?
For most images, 75-85% quality provides an excellent balance. For web use, 75-80% is often sufficient. For print or professional use, stick to 85-90%. Below 70%, quality degradation becomes more noticeable.
What does “Strip Metadata” do?
Metadata includes EXIF data like camera settings, GPS location, timestamps, and copyright information. Stripping metadata reduces file size slightly (usually 1-5%) and removes potentially sensitive information like where/when photos were taken.
Can I compress multiple images at once?
Currently, images are processed one at a time to ensure optimal performance and allow you to fine-tune settings for each image. You can quickly process multiple images by adjusting settings and repeating the compress-download cycle.
Does lossless mode work with all formats?
Lossless compression is available for WebP and PNG formats. With lossless mode, the image quality is preserved perfectly, but file size reduction is more modest (typically 20-40%) compared to lossy compression.
Image Compression Tips - Reduce JPG, PNG File Size
- •For web use: Convert to WebP at 75-80% quality for optimal file size and performance
- •For social media: Resize to platform requirements (e.g., 1080px width for Instagram) before compressing
- •For email: Reduce resolution and use 70-75% quality to keep attachments small
- •For photos with text: Use higher quality (85-90%) to keep text sharp and readable
- •For thumbnails: Aggressive compression (60-70% quality) is fine since images are small
More Free Online Compression Tools
Need to compress other file types? Try our free browser-based compression tools – no upload required: