Accessible Chart Palette Builder – Online Data Visualization
Build a color palette for charts that works for protanopia, deuteranopia, and grayscale. Export as array.
UD5 Toolkit
Define your target color palette, upload images, and find the best visual matches. Perfect for designers, brand managers, and creative projects.
Drag & drop images here
or click to browse — Supports JPG, PNG, WebP, GIF
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Upload images to see how they match your palette
Build a color palette for charts that works for protanopia, deuteranopia, and grayscale. Export as array.
Pick a source color and generate a complete M3 tonal palette with light/dark schemes. Export as CSS custom properties.
Upload an image and see its 2D FFT magnitude and phase. Learn how image filtering works. Educatinal tool. Canvas.
Pick any emoji and download it as a high‑resolution PNG image with transparent background. For social media or icons.
Rotate the hue of any image globally. Turn a red car blue instantly. Download the result. Works entirely in the browser.
Predict the file size of an image based on pixel dimensions and format (JPEG, PNG, WebP). Rough estimate. Local.
Paste an image from your clipboard directly into the page (Ctrl+V) and extract its color palette. No file dialog needed.
Add a repeating diagonal text watermark to your images. Adjust opacity, font, and color. Protect your photos locally.
Turn a photo into a high‑contrast ASCII art using only standard text characters. Adjust brightness and character set. Works offline.
Paste a set of hex colors and simulate how they appear with common color vision deficiencies. Get contrast warnings.
Apply an emboss filter to your photo. Choose direction and depth. Gives a 3D carved stone look. Pure canvas.
Convert any image into a raw binary array of RGBA values. For use in embedded systems or game development. Copy as Uint8Array.
Automatically remove white background from an image and make it transparent. Adjust tolerance. Save as PNG.
Reduce an image to large colored squares. Create bold, minimalist wall art. Adjust block size. Download PNG.
Convert any image into colored ASCII art using divs with background colors. Creates a stunning text‑based replica. View & copy HTML.
Drop an image that might have wrong extension and see its real format (JPEG, PNG, WebP) based on header bytes.
Upload a small pixel art image and get a CSS grid layout that recreates it using divs. Novelty developer tool.
Convert short text into a black‑and‑white Braille bump image ready for embossing. Educational and inclusive.
Resize and crop an image to a specific aspect ratio (1:1, 16:9…) with automatic fit/cover. Download the perfect image.
Enter an image URL and extract its dominant color palette. No download needed. Fast visual analysis.
Convert multiple images to Base64 data URIs at once. Copy individually or as a JSON array. Great for inline assets. Local.
Fetch a website's CSS and extract :root custom properties (‑‑color) to reveal its design token palette. For learning and inspiration.
Paste two texts, compute the diff, and render the result as a highlighted image. Easier to share changes visually.
Create shareable quote images. Choose background gradient or photo, add text, and download as PNG. Fully local design tool.
Enter a color palette and see how it looks for different types of color vision deficiency. Get warnings on conflicting colors.
Remove solid or similar backgrounds from images using color thresholding. No AI, just quick client-side canvas processing. Download as PNG.
Generate dynamic placeholder images by specifying width, height, colors, and text. View instantly as a URL you can embed in mockups. Canvas-based.
Create beautiful, syntax-highlighted screenshots of your code snippets. Choose themes and export as PNG. All client-side canvas rendering.
Split an image into equal grid parts or horizontal/vertical strips. Useful for Instagram carousel posts or puzzle creation. Everything runs in your browser.
Protect your images by adding a text or image watermark. Adjust transparency, position, and rotation. All image processing is done locally; no upload to server.