Miaoku Image Tools · Online Image Tools
Compress, crop, merge and watermark images on desktop or mobile. Your files stay in your browser.
Popular image tools
Choose a tool, upload an image and start editing.
Compress
Compress JPG, PNG and WebP images with quality and size controls.
Target Compress
Compress images toward a target size such as 500KB or 1MB.
Crop
Crop freely or use common 1:1, 3:4, 4:5 and 16:9 ratios.
Grid Split
Split one image into nine tiles or choose a custom grid.
3D Grid
Remove the subject background and create a 3D pop-out grid.
Screenshot Stitch
Detect repeated areas and combine chat or webpage screenshots.
Merge Images
Combine multiple images vertically or horizontally in order.
Collage
Create grid collages with spacing, rounded corners and backgrounds.
Watermark
Add draggable text or logo watermarks with position and opacity controls.
Add Text
Add draggable text for covers, captions and annotations.
Convert to WebP
Convert JPG and PNG images to WebP in batches.
Batch Tools
Compress, resize, convert or watermark multiple images at once.
Annotate
Add arrows, boxes, highlights, text and mosaic blocks to screenshots and images.
AI Cutout
Automatically remove complex backgrounds and export transparent PNGs in batches.
Browse by task
Choose from compression, cropping, collage, watermark and batch tools.
Crop & resize
Merge & split
Watermarks & text
Format conversion
Enhance & annotate
Privacy & metadata
Batch processing
Your images stay on your device
Your browser reads and processes images on this page. Nothing is uploaded and no account is required.
Miaoku includes image compression, target-size compression, image crop, resize, JPG/PNG/WebP conversion, watermarking, AI background removal, screenshot stitching, grid splitting and batch image processing tools.
How it works
- Choose a tool and upload images
- Adjust the settings
- Review the preview
- Download the result