UD5 Toolkit
Image Auto Crop Tool - Online Remove White Borders
Automatically crop transparent or solid‑color borders from any image. Just drop the photo and get the tight crop.
Image Cropper - Online Crop Photo Circle & Rectangle
Upload Your Image
Drag & drop an image here, or click to browse
Supports JPG, PNG, WebP, GIF, SVG • Max 20MB
Or paste an image with Ctrl+V
Frequently Asked Questions
Simply switch to Circle mode using the mode toggle buttons. The crop area will automatically become a perfect circle (1:1 aspect ratio). Adjust the size and position by dragging the corner handles or moving the circle, then click Download to save your circular cropped image with a transparent background in PNG format.
Yes! When you crop in Circle mode, the resulting image is saved as a PNG with a transparent background outside the circular area. This makes it perfect for profile pictures, logos, avatars, and any design that needs a circular image with transparency. The rectangular crop mode preserves the original background.
Upload: JPG, JPEG, PNG, WebP, GIF, SVG, BMP, and TIFF files are all supported. Maximum file size is 20MB.
Download: Cropped images are always exported as high-quality PNG to preserve transparency (especially important for circular crops). This ensures maximum compatibility and quality.
Download: Cropped images are always exported as high-quality PNG to preserve transparency (especially important for circular crops). This ensures maximum compatibility and quality.
Use the Aspect Ratio buttons to lock your crop to popular ratios like 1:1 (square), 4:3, 16:9 (widescreen), 3:4, or 9:16 (portrait/vertical). When a ratio is locked, resizing the crop area will automatically maintain that proportion. Select "Free" for unrestricted cropping. Note that Circle mode automatically uses a 1:1 ratio.
100% private and secure. All image processing happens entirely in your browser using HTML5 Canvas and JavaScript. Your images are never uploaded to any server, stored, or shared. You can use this tool completely offline. Your privacy is fully protected at all times.
Absolutely. The tool preserves the original resolution of your image for the final crop output. While the editor displays a scaled-down version for easy manipulation, the actual crop is performed at full resolution. So if you crop a 4000Ă—3000 photo, the downloaded result uses those original pixels for maximum sharpness and detail.
Yes, fully responsive! The image cropper is optimized for mobile and tablet use. You can upload photos from your phone's gallery, use touch gestures to drag and resize the crop area, and download the cropped result directly to your device. All controls adapt seamlessly to smaller screens.
Rectangular crop cuts out a rectangular portion of your image, preserving the original background and aspect ratio you choose. Circular crop extracts a perfect circle from your image and makes everything outside the circle transparent. Circular crops are ideal for profile photos, social media avatars, round badges, and design elements. Both modes support custom aspect ratios.
Online Image Cropper by URL - Remote Image Edit
Enter an image URL, crop it interactively, and download the result. No upload. Works with any CORS‑enabled image.
Online Video Resizer - Crop & Scale Locally
Resize a video by cropping to a new aspect ratio or scaling up/down. Apply and download the result. Browser‑based.
Image Resize & Pad - Online Fit Without Cropping
Resize an image to exact dimensions and add colored padding to fill the aspect ratio without cropping. Useful for profile grids.
Image Border Frame Generator - Online Photo Frame Overlay
Add a decorative rectangular border/frame to your image. Adjust width, color, and shadow. Download the framed photo.
Image Padding Tool - Online Add White Space Around Photo
Add customizable padding to any image. Make it square or fit a specific aspect ratio by adding whitespace. Download padded PNG.
Image Color Extractor - Online Palette from Picture
Upload an image and extract its dominant colors or full color palette. Download as a CSS snippet or color swatch. Entirely client-side, your images stay private.
Image Resizer - Online Bulk Photo Resize Without Upload
Resize images directly in your browser by width, height, or percentage. Maintain aspect ratio and download the result. Images never leave your computer.
Lorem Pixel Image Generator - Online Placeholder Photo Service
Generate placeholder images with custom dimensions, background color, and text. Supports SVG and raster output. Perfect for wireframing and mockups.
Image Format Converter - Online PNG to JPEG & More
Convert images between popular formats like PNG, JPEG, WEBP, and BMP. No quality loss on conversion when using lossless formats. Private and fast.
Image Aspect Ratio Fitter - Online Resize to Exact Fit
Resize and crop an image to a specific aspect ratio (1:1, 16:9…) with automatic fit/cover. Download the perfect image.
Photo Collage Maker - Online Grid & Freeform Arranger
Create photo collages by arranging multiple images on a canvas. Select grid templates or freeform placement. Export as single image. Secure local processing.
Image Edge Detector - Online Sobel & Canny Filter
Run edge detection algorithms (Sobel, basic Canny) on images directly in the browser. Great for learning computer vision concepts.
Web Image Size Calculator - Online KB & Dimensions Tool
Predict the file size of an image based on pixel dimensions and format (JPEG, PNG, WebP). Rough estimate. Local.
Image File Size Predictor – Online KB for Given Pixels
Enter width, height, format to approximate file size. Plan web performance. Simple model.
Image Strip Joiner - Online Combine Side by Side
Glue multiple images together horizontally or vertically into one long strip. Perfect for sharing comparisons. Local.
Halftone Dot Matrix Generator - Online Pop Art Photo Effect
Transform images into halftone dot patterns or pointillist art. Adjust dot size and background. Processed in your browser, no upload.
Image Compressor - Online Optimize JPEG & PNG Locally
Compress images while preserving quality. Adjust compression level and preview output size. All processing is done client-side for fast and secure optimization.
Image Format Batch Converter - Online to PNG, WebP, JPEG, AVIF
Drop a folder of images and convert all to the same format at once. Choose quality and download as ZIP. Local only.
Images to PDF Merging - Online Combine & Order
Combine JPGs and PNGs into a single PDF. Drag to reorder pages. All processing happens locally; your files never leave your device.
Vision Board Maker - Online Collage of Goals & Images
Arrange and layer images on a canvas to create a digital vision board. Export as image. Images stay in your browser.
Images to PDF Merger - Online Combine JPG/PNG into One
Select multiple images, arrange their order, and merge them into a single PDF document. Works offline in your browser.
Image to CSS Grid Layout - Online Pixel‑Based Generator
Upload a small pixel art image and get a CSS grid layout that recreates it using divs. Novelty developer tool.
Color Swatch Image Generator - Online PNG Palette
Enter hex codes and download a PNG swatch image with color names. Useful for design spec documents. Built via canvas.
Earth View Image Curator – Online Random Satellite Scenes
Display random beautiful satellite images. Click to reveal location. Refresh for next. No API key needed.
Night Vision Green Effect - Online Photo Style
Add a dramatic night‑vision green tint with grain and scanlines to any image. Fun horror/military aesthetic.
JPEG Quality Visual Comparator - Online Side‑by‑Side
Upload an image and see a slider comparison of different JPEG quality levels. Find the optimal file size vs. quality trade‑off.
Color Scheme from Image - Online Extract Palette
Upload any picture and instantly get a 5‑color palette. Useful for UI design themes. Canvas‑based extraction.
Image to Pixel HTML Table - Online Giant Pixel Art
Downscale an image to a grid of colored `<td>` cells. Create a huge HTML pixel art. Copy the code.
Photo to Watercolor Effect - Online Soft Art Filter
Apply a soft watercolor painting effect to your photo. Adjust brush size and color intensity. Download the result. Local canvas.