PDF Signature Drawer - Online Add Handwritten Sign
Draw your signature on a canvas and overlay it onto a PDF document. All editing stays in your browser.
UD5 Toolkit
Convert text into embossable braille dot patterns and download as a high‑resolution PNG image.
Draw your signature on a canvas and overlay it onto a PDF document. All editing stays in your browser.
Turn multiple images into a single Base64‑encoded sprite sheet and get the corresponding CSS background‑positions. Local.
Given a background color, this tool suggests foreground colors that meet AA/AAA contrast ratios. Works for all vision types.
Check the contrast ratio between foreground and background colors to ensure web accessibility compliance. Get WCAG 2.1 AA/AAA pass/fail results instantly.
Simulate how images and UI elements appear to users with various types of color blindness. Upload or paste image URL. Promote inclusive design.
Transform your photo into a comic book panel with Ben‑Day dots, heavy outlines, and speech bubbles. Download as image.
Click a plastic number (#1‑#7) to see what it means, if it's recyclable in your area generally, and common products.
Upload two portraits and create a simple morph animation between them. Download as GIF. Local canvas magic.
A clean, printable Morse code chart with letters, numbers, and common punctuation. Learn and decode easily. Static.
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.
Wrap any image in a classic Polaroid frame with optional text caption. Export as PNG. Nostalgic touch for social media.
Convert multiple images to Base64 data URIs at once. Copy individually or as a JSON array. Great for inline assets. Local.
Upload two face portraits and watch a simple morphing transition. Not professional, but fun experiment with canvas.
Transform an image from rectangular to polar coordinates (and back). Create amazing circular swirl effects. Local canvas.
Click an image and see a smooth cross‑fade and morph to a large preview using View Transitions API. Copy the implementation code.
Add recurring bills with amounts and see a monthly calendar with due date indicators. Simple finance organizer.
Look up recommended time and temperature for various sublimation blanks. Quick reference.
Paste Lottie JSON code or upload a .json file and see the animation play. Control speed and loop. Perfect for developers.
Drop or paste an .ics file and see all events in a readable table. Check dates, times, and locations. Privacy‑friendly.
Select roast level (cinnamon, city, full city, etc.) and see approximated Agtron color value and bean temperature.
Interactive table showing common fractions and their decimal/percentage equivalents. Click to highlight.
Paste a JSON object and instantly get a TypeScript interface definition. Handles nested objects and arrays. Local only.
Scroll through an interactive timeline of cameras from camera obscura to modern DSLR. Photos and facts.
Enter any date and get the ISO week number. Also shows start and end of that week. Handy for project planning.
Search a city or country and see its current UTC offset, DST status, and abbreviation. Quick reference for scheduling.
Enter any date and get its ISO week number, plus the start and end dates of that week. Quick reference.
Format a list of Q&A pairs and export as a CSV ready for Anki import. Simple line‑based template. Local.
Paste an image from your clipboard directly into the page (Ctrl+V) and extract its color palette. No file dialog needed.
Style underlines, overlines, and strike-throughs with colors, wavy styles, and thickness. Modern CSS text‑decoration.
Turn a photo into a high‑contrast ASCII art using only standard text characters. Adjust brightness and character set. Works offline.