| Key features | - Image Compressor: shrink JPG, PNG and WebP files by quality or exact target size
- Image Resizer: set exact dimensions, scale by percentage or fit inside a bounding box
- Image Cropper: crop freely or to fixed ratio, rotate, straighten, flip
- Image Converter: convert between JPG, PNG, WebP and AVIF with quality control
- Batch Image Tools: apply resize, compression, conversion and watermarks across dozens of images
- QR Code Generator: create QR codes for links, Wi-Fi, contacts, payments with custom colours and logos
- Barcode Generator: generate EAN-13, UPC-A, Code 128, Code 39, ITF-14 with validation
- OCR Text Extractor: pull text from screenshots, scans and photos in 60+ languages
- Passport Photo Maker: produce photos at exact millimetre size and DPI on printable paper
- Image to PDF: combine images into a single PDF with page size and margin control
| - PNG compression with quality controls and batch processing
- Automatic background removal for portrait cutouts
- Image resizing by percentage or exact pixels
- Crop and rotate images while preserving transparency
- Convert between PNG, JPG, WebP, AVIF and other formats
- Color quantization to reduce PNG to 2-256 color palette
- Advanced Compression with transparent-edge quality checks
- Batch workflows with ZIP downloads
- PNG metadata inspection and removal
- Cross-device workflow recipes for Pro users
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| What makes it different | - All processing happens locally in your browser with no file uploads to any server
- No account, signup, login or email collection required
- Multiple operations combined in one pass without quality loss
- Real controls for exact specifications like file size, dimensions and print resolution
| - All image processing stays in your browser with no file uploads
- Free tools with no watermark or sign-up required
- Three compression engines optimized for different use cases
- Purpose-built tools for specific PNG tasks
- Local processing works without uploading images to servers
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ImageDoctor
AlphaPNG