Starlight Tools

Starlight Tools directory

Random Generators

26 free, browser-based tools. No account required.

Free browser-based random generators for numbers, choices, letters, dates, IP/MAC, passwords, UUIDs, dice, and more—everything runs locally for privacy. Try our Random Number Generator, Random Choice Picker, Strong Password Generator, or Dice Roller.

Random random number generator with min max range and instant draw results

Random Number Generator

Generate random numbers within a specified range. v1.0

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Random number set generator creating integer or decimal sets with unique repeat sort and step options

Number Set Generator

Create integer or decimal sets — unique or with repeats, optional step/grid, sorting, and easy export. 100% client-side & private. v1.0

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Random choice generator picking one item from a list of options

Random Choice Generator

Pick a random item from your list. v1.0

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Random letter generator outputting A to Z picks with instant results

Random Letter Generator

Generate random letters (A–Z). v1.0

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Random date generator drawing dates between two selected endpoints

Random Date Generator

Generate random dates between two points in time. v1.0

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Random MAC address generator with unicast local bit toggles vendor OUI and format options

Random MAC Address Generator

Generate MACs with format & case options, unicast/local bits, and optional vendor OUI seeding — all client-side. v1.0

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Random IP generator producing IPv4 or IPv6 addresses instantly

Random IP Generator

Create random IPv4 or IPv6 addresses. v1.0

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Random list randomizer shuffling items or names into a new random order

List Randomizer

Shuffle a list of items, names, or any text into a random order. v1.0

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Random seating chart generator assigning people to balanced tables or numbered seats

Random Seating Chart Generator

Assign guests, students, or teams to balanced tables or numbered seats, then copy, download, or print the chart. v1.0.0

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Random Strong password generator with length sliders and symbol number letter toggles

Strong Password Generator

Generate secure passwords of any length. v1.0

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Random UUID v1 Generator interface with color legend and controls

UUID v1 Generator

Generate time-based UUID v1 identifiers (RFC 4122) with batch output, multiple formats, and one-click copy/download. 100% client-side. v1.0.0

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Random UUID v3 Generator interface with namespace and name inputs

UUID v3 Generator

Generate deterministic, name-based UUID v3 (MD5) from namespace + name. DNS/URL/OID/X.500 or custom, batch names, multiple formats. 100% client-side. v1.0.0

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Random UUID v4 generator producing random RFC 4122 identifiers with copy and download

UUID v4 Generator

Create RFC-4122 compliant UUIDs. v1.0

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Random UUID v5 generator interface with namespace and name inputs

UUID v5 Generator

Generate deterministic, name-based UUID v5 (SHA-1) from namespace + name. DNS/URL/OID/X.500 or custom, batch names, multiple formats. 100% client-side. v1.0.0

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UUID v7 generator showing a time-ordered identifier and timestamp

UUID v7 Generator

Create sortable RFC 9562 UUID v7 identifiers, batch export them, and decode their Unix timestamps. 100% client-side. v1.0.0

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ULID generator showing a sortable identifier, timestamp, and ascending sequence

ULID Generator

Create sortable, monotonic ULIDs in batches, export them, and decode their Unix timestamps. 100% client-side. v1.0.0

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Random Dice roller showing virtual d4 d6 d20 and custom dice results

Dice Roller

Roll virtual dice (d4, d6, d20, etc.). v1.0

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Random Coin flipper with virtual heads or tails animation and result

Coin Flipper

A simple tool to flip a coin for a heads or tails decision. v1.0

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Random Bingo card generator creating printable 5x5 cards with free space

Bingo Card Generator

Create and print unique, random 5x5 bingo cards with a free space. v1.0

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Random playing card generator drawing cards from a standard or custom deck

Random Playing Card Generator

Draw cards without replacement from a standard deck, multiple decks with jokers, or your own custom deck. v1.0

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Random color palette generator with swatches hex codes and lock buttons

Random Color Palette Generator

Generate harmonizing color palettes for your designs and lock in colors you like. v1.0

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Random Sudoku generator producing printable 9x9 puzzles with difficulty selector and PNG PDF export

Sudoku Generator

Generate printable 9×9 Sudoku (Easy/Medium/Hard). Save as PNG/PDF or print — 100% client-side and private. v1.0

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Random maze generator with customizable size entrance exit solution overlay and braid loops

Random Maze Generator

Create printable mazes with custom size, cell width, entrance/exit, solution overlay, and braid (loops). Export to PNG or PDF — 100% client-side. v1.0

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Random Kaleidoscope pattern generator with radial symmetry slices palette and seed controls

Kaleidoscope Pattern

Soothing radial-symmetry rosettes with gentle rotation. Auto or Draw mode, slices, palette, seed—100% client-side. v1.0

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Random Spin the wheel random picker with colourful segments and winner history

Spin the Wheel — Random Picker

Enter a list, spin a colourful wheel, and choose a fair random winner. Remove-winner mode, copy history, keyboard shortcuts. v1.0.0

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Random Astronomy Sky Map Generator preview: circular star chart with gridlines

Random Astronomy Sky Map Generator

Create a calming, seeded star chart with adjustable density, brightness, gridlines, and PNG export. v1.0.0

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