Bill Tracker – Online Visual Calendar for Due Dates
Add recurring bills with amounts and see a monthly calendar with due date indicators. Simple finance organizer.
UD5 Toolkit
Easily view and inspect .ics calendar files. Drag & drop, paste content, or load a sample — fully client‑side, no upload to server.
Drag & drop your .ics file here
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Add recurring bills with amounts and see a monthly calendar with due date indicators. Simple finance organizer.
Paste Lottie JSON code or upload a .json file and see the animation play. Control speed and loop. Perfect for developers.
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.
Enter any date and get the ISO week number. Also shows start and end of that week. Handy for project planning.
Scroll through an interactive timeline of cameras from camera obscura to modern DSLR. Photos and facts.
Select roast level (cinnamon, city, full city, etc.) and see approximated Agtron color value and bean temperature.
A clean, printable Morse code chart with letters, numbers, and common punctuation. Learn and decode easily. Static.
Paste a JSON object and instantly get a TypeScript interface definition. Handles nested objects and arrays. Local only.
Click a plastic number (#1‑#7) to see what it means, if it's recyclable in your area generally, and common products.
Draw your signature on a canvas and overlay it onto a PDF document. All editing stays in your browser.
Convert short text into a black‑and‑white Braille bump image ready for embossing. Educational and inclusive.
Enter any date and get its ISO week number, plus the start and end dates of that week. Quick reference.
Wrap any image in a classic Polaroid frame with optional text caption. Export as PNG. Nostalgic touch for social media.
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.
Simulate how images and UI elements appear to users with various types of color blindness. Upload or paste image URL. Promote inclusive design.
Look up recommended time and temperature for various sublimation blanks. Quick reference.
Search a city or country and see its current UTC offset, DST status, and abbreviation. Quick reference for scheduling.
Transform your photo into a comic book panel with Ben‑Day dots, heavy outlines, and speech bubbles. Download as image.
Convert multiple images to Base64 data URIs at once. Copy individually or as a JSON array. Great for inline assets. Local.
Click an image and see a smooth cross‑fade and morph to a large preview using View Transitions API. Copy the implementation code.
Interactive table showing common fractions and their decimal/percentage equivalents. Click to highlight.
Turn multiple images into a single Base64‑encoded sprite sheet and get the corresponding CSS background‑positions. Local.
Transform an image from rectangular to polar coordinates (and back). Create amazing circular swirl effects. Local canvas.
Upload two face portraits and watch a simple morphing transition. Not professional, but fun experiment with canvas.
Upload two portraits and create a simple morph animation between them. Download as GIF. Local canvas magic.
View hidden EXIF data (camera model, GPS, date, settings) from any image. Works locally in browser; metadata is never uploaded. Understand your photo details.
Drop a WAV file and see its full header: sample rate, bit depth, channels, and chunk structure. Raw bytes explained.
Explore the contents of the Cache Storage API for your domain. See cached requests and their sizes. Debug offline apps.
View the individual red, green, and blue channels of an image as grayscale. Photographer and developer tool.