Tools
Free, useful, considered.
A small set of utilities built for the people who use them. No signups, no ads, nothing leaves your browser.
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For teachers
See all teacher tools →Test scoring
EZ Grader
Type total questions and number wrong, get the percentage and letter grade. Customizable scale, full reference table.
Open the tool →Cumulative · Weighted +/−
GPA Calculator
Add courses with letter grades and credit hours, get a weighted GPA on the 4.0 scale. Toggle for +/− granular mode or unweighted.
Open the tool →Course grade · Category weights
Weighted Grade Calculator
Set up category weights (homework, tests, final), enter your grade in each, get your overall course grade. Includes a "what do I need on the rest?" planner.
Open the tool →Class scores · Four methods
Grade Curve Calculator
Paste a class's raw scores, pick a curve method (flat add, square root, scale to max, set average), see curved scores and before/after stats.
Open the tool →Printable · Criteria × levels
Rubric Generator
Build a grading rubric — editable criteria, performance levels, and point values. Starter templates, prints clean to paper or PDF.
Open the tool →Printable grid
Attendance Sheet Generator
Build a printable attendance grid from your roster. Date range or class-meeting count. Prints clean to paper or PDF.
Open the tool →Term planning
School Year Pacing Calculator
Count the real instructional days in your term after breaks and PD, then distribute units across them by weight. Print or download CSV.
Open the tool →Full-screen
Countdown Timer
A big, visible timer for classrooms, presentations, and group activities. Presets, full-screen mode, gentle finish chime.
Open the tool →Live volume · Projector-friendly
Classroom Noise Meter
A live, color-coded volume bar for the projector — Calm, Working, Too loud — with adjustable zones and sensitivity. Audio is never recorded.
Open the tool →Behavior signal · Projector-friendly
Classroom Traffic Light
A big green, amber, and red signal for the front of the room. Click a light to change it, with editable labels. No microphone, no network.
Open the tool →Even split
Random Group Generator
Split a list of names into balanced random groups by group count or group size. Copy or print the result.
Open the tool →Pair up · Trio on odd
Random Pair Generator
Paste a list of names, get random pairs in one click. Odd counts become one trio so nobody is left out. Reshuffle until it looks right.
Open the tool →Spin to pick
Random Name Picker
Paste a list of names, pick one at random with a quick spin animation. Optional no-repeat so everyone gets a turn.
Open the tool →Printable · Lined paper
Blank Worksheet Generator
Set the number of lines, add a title, name, and date, pick normal, wide, or cursive spacing, then print a clean ruled sheet.
Open the tool →Printable · Randomized · K–6
Math Worksheet Generator
Addition, subtraction, multiplication, division, or mixed. Pick a grade-band level, set the count, print with an optional matching answer key.
Open the tool →Classroom layout · Shuffle
Seating Chart Maker
Paste your roster, set the desk grid, then auto-fill, shuffle, or hand-place students. Prints a clean chart with a FRONT-of-room marker.
Open the tool →Printable + digital · Timer
Hall Pass Generator
Print a stack of hall passes, or run digital passes with a live timer — several students out at once, each tracked. Editable destinations.
Open the tool →Printable · Batch · Graduation
Award & Certificate Generator
Type a title and name, or paste a whole class, and print landscape certificates. Seven templates including a graduation frame — awards, attendance, promotion.
Open the tool →Learning games
Memory game
Memory Match
Paste your terms (or term-definition pairs), get a custom flip-card memory game. Three grid sizes, two play modes, solo or 2–4 players.
Open the tool →4-color brain break
Sequence Memory
Watch the colored sequence, repeat it, see how far you can go. Quick working-memory warm-up — colorblind-friendly with shapes and tones.
Open the tool →Number memory
Numpad Sequence Memory
Watch a growing keypad sequence, then repeat it on the numpad. Phone or musical tones, gets harder each round.
Open the tool →Custom puzzle
Word Search Generator
Paste your unit's vocabulary, get a custom word search puzzle that's printable for paper and playable in the browser.
Open the tool →Printable puzzle
Maze Generator
Pick a size and algorithm, get a crisp SVG maze with start, finish, and an optional solution overlay. Print, download, or solve on screen.
Open the tool →Story game · Classroom-safe
Mad Libs Generator
Pick from eight classroom-safe story templates, fill in the blanks, then print or copy the result. Bring your own template too.
Open the tool →Word game · Custom lists
Hangman
Paste your own word list and play hangman in the browser. Length-based difficulty, on-screen keyboard, a friendly kite instead of a gallows.
Open the tool →Attention · Brain break
Stroop Test
Name the ink color, ignore the word. The classic color-word test of attention and inhibitory control — mouse or keyboard.
Open the tool →Ask · Shake · Decide
Magic 8 Ball
Ask a yes/no question and shake the ball for an answer — the classics plus a few funnier ones, or your own list.
Open the tool →Randomizers & chance
Any range · Unique or repeat
Random Number Generator
Pick one or many numbers in any range, with or without duplicates, optionally sorted. Cryptographically fair, runs entirely in your browser.
Open the tool →d4–d100 · Modifier
Dice Roller
Roll standard polyhedral dice — d4, d6, d8, d10, d12, d20, d100 — with multiple dice and a modifier. Shows each die, the sum, and the total.
Open the tool →Heads or tails · Tally
Coin Flip
A fair, animated heads-or-tails toss with a running tally of results. Cryptographically random, nothing leaves your browser.
Open the tool →For creators & social media
See all creator tools →Bio composer
Instagram Bio Formatter
Compose an Instagram bio with line breaks that survive paste, a live 150-character count, and empty-line preservation.
Open the tool →Post composer
LinkedIn Post Formatter
Markdown-style input becomes Unicode-styled output — bold, italic, underline, bullets — that pastes directly into LinkedIn.
Open the tool →Per-platform limits
Character Counter
Count your post or bio against every platform's limit, live — X / Twitter, LinkedIn, Instagram caption + bio, Bluesky, Threads, TikTok, YouTube.
Open the tool →Unicode styles
Fancy Text Generator
Convert plain text to Unicode bold, italic, script, monospace, and more. Copy and paste anywhere — bios, posts, profile names.
Open the tool →Writing tools
See all writing tools →Live counts
Word Counter
Words, characters, sentences, paragraphs, reading time, speaking time, and most-used words. Live as you type.
Open the tool →11 styles
Case Converter
UPPERCASE, Title Case, camelCase, snake_case, kebab-case, CONSTANT_CASE, and more — all live, all with copy buttons.
Open the tool →Placeholder text
Lorem Ipsum Generator
Paragraphs, sentences, or words of placeholder text. Classic Latin, realistic English, or a family-friendly bakery theme.
Open the tool →Reading level
Readability Checker
Paste text and get its grade level and reading-ease scores from six classic formulas, live in your browser.
Open the tool →Story · Journal · Essay
Writing Prompt Generator
Hundreds of writing prompts filtered by category and grade band. Shuffle for one, or print a sheet of them.
Open the tool →Everyday utilities
See all business tools →Cryptographically secure
Password Generator
Strong, random passwords up to 64 characters with configurable rules. Cryptographically secure, runs entirely in your browser.
Open the tool →PNG · SVG
QR Code Generator
QR codes for any URL or text. Custom colors, four error-correction levels, PNG or SVG download.
Open the tool →Gmail · Outlook
Email Signature Generator
Three clean layouts, optional photo, copy ready-to-paste HTML for Gmail, Outlook, or Apple Mail.
Open the tool →40–240 BPM · Tap tempo
Metronome
A steady, drift-free metronome with accented downbeats, tap tempo, and 1–6 beats per measure. Built on Web Audio so it stays in time.
Open the tool →US + metric
BMI Calculator
Calculate adult body mass index from height and weight. Switch between US and metric units, with a plain-language category note.
Open the tool →More tools are on the way. Have a request? Tell us what you'd use.