Get it done without the friction.

Different ticket counts

Weighted raffle

Add names and ticket counts when some people should have more chances. Every ticket gets a fair shot.

Open weighted raffle One entry each

Equal-chance raffle

Paste a list of names when everyone should have the same chance. Every row counts once.

Open equal-chance raffle Fair groups in seconds

Random team generator

Paste names, choose a team count, and create random or skill-balanced teams instantly.

Generate teams Free and printable

Round-robin schedule

Create every matchup, organize rounds and courts, then copy or print the complete schedule.

Build a schedule Fresh partners every round

No-repeat pair generator

Create several rounds of pairs without matching the same two people twice.

Generate pairs Calculator and live timer

Meeting cost calculator

Estimate a planned meeting or start the live timer and watch the cost update as time passes.

Calculate meeting cost Hours, breaks, and overtime

Time card calculator

Add weekly or biweekly shifts, subtract breaks, and see regular, overtime, and pay estimates.

Calculate work hours Math

Percentage calculator

Solve four common percentage questions and learn the formula for each one.

Calculate percentages Math

Fraction calculator

Calculate and simplify fraction addition, subtraction, multiplication, or division.

Calculate fractions Math

Average calculator

Find the mean, sum, and count for a list of numbers.

Calculate an average Math

Ratio calculator

Reduce ratios or solve an equivalent proportion with a missing value.

Calculate ratios Math

Square root calculator

Find a principal square root and learn how to check the result.

Calculate a square root Math

Exponent calculator

Raise a base to a power and review positive, negative, and zero exponent rules.

Calculate a power Math

GCF and LCM calculator

Find the greatest common factor and least common multiple of integers.

Find GCF and LCM Math

Quadratic formula

Solve a quadratic equation and interpret its discriminant and roots.

Solve a quadratic Math

Slope calculator

Find rise, run, and slope between two coordinate points.

Calculate slope Math

Standard deviation

Calculate population or sample standard deviation, variance, and mean.

Calculate standard deviation Fix copied PDF text

PDF text cleaner

Repair broken line breaks, hyphenated words, and messy spacing without uploading your text.

Clean PDF text Turn 1, 2, 3 into 1-3

Number range compressor

Compress consecutive whole numbers into ranges or expand ranges back into a list.

Compress number ranges Before or after a marker

Delimiter line extractor

Extract text before or after the first or last delimiter on every pasted line.

Extract by delimiter Make clean, ordered chunks

List batch splitter

Split a long list by items per batch or into an exact number of balanced batches.

Split a list Keep or remove a repeating row

Every Nth line extractor

Extract or delete every Nth line with a custom starting position and blank-line rule.

Extract every Nth line Remove old reply chains

Email reply cleaner

Keep the newest email message while stripping quotes, headers, and optional signatures.

Clean an email thread Extract names, folders, or extensions

File path list cleaner

Clean pasted Windows or Unix paths and return exactly the file detail you need.

Clean file paths Alternate two ordered columns

Interleave two lists

Combine two lists as alternating lines or matching side-by-side rows.

Interleave two lists Convert values to IN (...) text

SQL IN clause builder

Quote, escape, deduplicate, and wrap a pasted list as an SQL IN clause.

Build an SQL IN clause Turn aligned text into columns

Fixed-width text to CSV

Split fixed-width rows at exact character positions and export CSV or TSV.

Convert fixed-width text Sort 1.2 before 1.10

Semantic version sorter

Order semantic versions correctly, including prereleases, build metadata, and v prefixes.

Sort semantic versions