Image
14 tools
Image Compressor
Compress images locally in the browser with adjustable quality and max dimension; batch supported, no upload.
Image Watermark
Batch-add text or image watermarks with adjustable position, opacity, rotation and tiling.
Image Joiner
Stitch multiple images vertically or horizontally into a long image; adjust gap, background and alignment.
Image Format Converter
Batch-convert among JPEG, PNG, WebP and BMP locally with no upload.
Seal Extractor
Detect the red seal area in an image, remove white background and noise, output a transparent PNG seal.
ID Photo Layout
Generate print sheets at standard sizes (1-inch, 2-inch, small 2-inch) ready to print.
Signature Extractor
Extract a handwritten signature from paper or contract photos to a transparent PNG, with auto crop.
Social Image Cropper
Batch-crop images to presets for WeChat, Xiaohongshu, Douyin, Bilibili, Taobao and more.
Image EXIF Viewer
Read a photo's EXIF: capture params, time, device and GPS; parsed locally, no upload.
Image Filter
Apply grayscale, invert, retro, warm filters and tune brightness/contrast/blur via Canvas; processed locally.
Palette Generator
Generate light/dark scales and complementary/analogous/triadic schemes from a base color; click a swatch to copy HEX.
Image to Base64
Convert images to/from Base64 data URLs with preview and download; processed locally.
Batch Image Compressor
Compress multiple images at once with adjustable quality, showing size change and download; local.
Image EXIF Stripper
Strip photo metadata (EXIF/GPS) by re-encoding via Canvas; download a clean image, local only.