Tree Leaf Identification Key – Online Shape, Margin, Arrangement
Select leaf characteristics (simple/compound, smooth/toothed) to identify common North American trees.
UD5 Toolkit
Drag & Drop desks here
Start building your seating chart
Select leaf characteristics (simple/compound, smooth/toothed) to identify common North American trees.
Get the full electron configuration and orbital box diagram for any element. Learn the Aufbau principle. Fast and local.
Load a CSV file and filter rows using basic expressions (e.g., age > 30). Supports AND/OR conditions. Export filtered result as CSV. All in browser.
Type a reference (John 3:16) and get the text from a cached King James Version. Works fully offline after first load.
Identify nodes on a virtual stem and place cuttings correctly in water. Quick propagation reference.
Convert units of force: Newton, kilonewton, pound-force, dyne. Handy for physics homework and engineering. Private, no upload.
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.
List assignments with estimated minutes. See total time and break into Pomodoro sessions. Stay motivated.
Enter student names and desks layout, then scramble periodically. Print new seating chart.
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.
Divide your day into blocks with color codes. Drag tasks into slots. See free time at a glance.
Structure your episode with timed segments. Includes call to action notes. Export as text.
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.
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.