UD5 Toolkit
Photo Print Size Guide - Online Aspect Ratio to Dimensions
Enter image pixel dimensions and compute maximum print size at various DPI. With aspect ratio presets (4x6, 5x7, 8x10) and cropping preview. Local tool.
Image Editing & Conversion
9+ toolsImage EXIF Metadata Viewer - Online Photo Detail Inspector
View hidden EXIF data (camera model, GPS, date, settings) from any image. Works locally in browser; metadata is never uploaded. Understand your photo details.
Median Filter Denoiser – Online Remove Salt & Pepper Noise
Apply a simple median filter to remove speckle noise. Adjust kernel size. Fully local canvas processing.
Image Background Blur Tool - Online Portrait Depth Effect
Apply a blur effect to image background while keeping the subject sharp. Simple brush selection for area to keep sharp. CSS+Canvas implementation, local only.
1‑Bit Dithering Photo Effect – Online Retro Newspaper Style
Upload a photo and convert it to a 1‑bit dithered image (Floyd‑Steinberg). Download as PNG. Local only.
GIF Speed Changer – Online Slow Down or Speed Up
Load a GIF and adjust playback speed. Save modified GIF. Pure client-side processing.
Online Color Replacer – Pick & Swap Hue in Image
Select a color in an image and change it to another hue. Canvas‑based, local processing.
Image Color Quantizer - Online Reduce Colors to 8‑bit Palette
Reduce the number of colors in an image to a retro 8‑bit look. Uses median cut quantization in the browser. Preview and download the stylized result.
Image Text Watermark Tool - Online Batch Add Copyright
Add semi-transparent text watermark to images. Customize position, opacity, rotation, and font. Batch processing with instant download. Fully local & private.