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
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Start building your seating chart
Build a color palette for charts that works for protanopia, deuteranopia, and grayscale. Export as array.
Interactive soprano recorder chart showing which holes to cover for each note. Switch between baroque and German fingering.
Click a note on the staff and see a visual diagram of the flute keys to press. Supports common alternate fingerings.
List assignments with estimated minutes. See total time and break into Pomodoro sessions. Stay motivated.
Browse all official LEGO colors with names, years, and hex codes. Sort by hue. Perfect for builders.
Sortable list of cooking oils with smoke points and best uses. Choose the right fat for the right heat.
Look up pilot hole and clearance hole sizes for wood screws. Conversion between gauge and mm.
Select 10 clothing items and generate all possible outfit combinations. Visual grid. Travel light.
Display an astigmatism dial and instructions for self-assessment. Educational, not a medical diagnosis.
Click cells to see patterns, highlight multiples. Visual way to learn multiplication. Print empty grid.
Interactive table showing common fractions and their decimal/percentage equivalents. Click to highlight.
Plan scenes with a simple shot list and track frames taken. Calculate total play time. Local tool.
Visual reference for common seam allowances (1/4″, 5/8″, etc.) with actual size on screen. Essential sewing aid.
Reference for standard blanket and afghan sizes in inches and cm. Perfect for knitters and crocheters.
Based on home and destination time zones, suggests a light exposure/avoidance schedule to reduce jet lag. Educational tool, local only.
Set a target weight and see estimated daily calorie deficit needed. Computes safe timeline based on 500-1000 kcal deficit. Includes BMR & TDEE estimation. Fully local.
Record daily systolic/diastolic readings and pulse. See a trend chart. All data saved locally in your browser.
Look at a color‑coded BMI table for your height and see the healthy weight range. Simple reference.
See a live bar chart of character frequencies as you type or paste text. Great for cipher cracking and linguistics.
Create half‑hour time blocks for your day. Drag to resize and reorder. Export as image. All local.
Searchable grid of all named HTML character entities with previews. Click to copy &, <, © etc. For web devs.
Enter task names, start dates, and durations to generate a simple Gantt chart as an image. Quick project view.
Set three big tasks for the week, top priority, habit trackers, and notes. Print or screenshot. Minimalist.
See the healthy weight range for your height using standard BMI chart. Gender‑specific data. Quick reference.
Convert a photo into a color‑reduced embroidery or cross‑stitch pattern with DMC thread colors. Adjust size and palette. Print chart.
Combine a Pomodoro timer with a built‑in to‑do list. Estimate pomodoros per task, track completed sessions, and see daily progress. All data stored locally.
Plan a party or event budget by category (venue, food, decorations). See total and cost per guest. Export summary.
Design a square foot garden by dragging vegetables into a grid. See companion planting warnings and spacing tips. Print plan.
Allocate your monthly income into virtual envelopes by category. Track spending and see remaining balances. LocalStorage.
Build a vertical timeline by entering events with dates and descriptions. Export as image or HTML. Perfect for project milestones.