6,586 listed
Artifacts
Free tools that open in your browser: calculators, converters, formatters, PDF and image helpers, Hugging Face Spaces and Claude artifacts. Filter by category, AI-powered or plain, no sign-up, and tools that run in your browser; every page links to the live tool and says what it needs.
Showing 25–48 of 324
- 0.751score
Sandboxels
R74n
Falling-sand simulator with hundreds of materials and reactions you can place and mix.
ArtifactNo sign-up★ 476games fun - 0.750score
Open5e
Open5e
Free search of 5e SRD rules, monsters, spells and items from the open-licensed documents, fed by a public API.
ArtifactNo sign-up★ 458games fun - 0.749score
Conway's Game of Life (copy.sh)
Fabian Hemmer (copy)
Fast Game of Life simulator using the Hashlife algorithm, with pattern library.
ArtifactNo sign-up★ 437games fun - 0.742score
Connect 4 Solver
Pascal Pons
Play Connect 4 against a solver that can score every possible move.
ArtifactNo sign-up★ 327games fun - 0.741score
Fari
farirpgs
Local-first virtual tabletop for hosting games, inviting players and keeping character sheets and scenes.
ArtifactNo sign-up★ 320games fun - 0.739score
Pont
Matt Keeter
Abstract board game written in Rust and WebAssembly, playable online.
ArtifactNo sign-upIn-browser★ 268games fun - 0.738score
Wordle+ (Infinite Wordle)
MikhaD
Open-source Wordle with infinite, hourly and daily modes and a tap-to-define feature for each guessed word.
ArtifactNo sign-up★ 287games fun - 0.737score
The Cube
bsehovac
Play a 3D Rubik's Cube in the browser with drag controls and a built-in timer.
ArtifactNo sign-up★ 267games fun - 0.735score
Cider (Card IDE)
oatear
Design game cards with HTML and Handlebars templates and export them for printing.
ArtifactNo sign-up★ 248games fun - 0.734score
NPC Generator
Cellule
Generates randomized non-player characters for Dungeons and Dragons with attributes, personality and description.
ArtifactNo sign-up★ 242games fun - 0.734score
Kaboom
Pawel Marczewski
Minesweeper clone that its author describes as cruel but fair.
ArtifactNo sign-up★ 239games fun - 0.732score
CubeDesk
CubeDesk
Advanced cube timer with 1v1 matches, an algorithm trainer and leaderboards.
ArtifactNo sign-up★ 222games fun - 0.729score
Adventure Lookup
AdventureLookup
Searchable catalog of Dungeons and Dragons adventures filterable by level, setting and publisher.
ArtifactNo sign-up★ 197games fun - 0.728score
ArcoMage HD
arcomage
Web remake of the ArcoMage fantasy card game, a tower-building duel against the computer.
ArtifactNo sign-up★ 192games fun - 0.727score
React Solitaire
gcedo
Klondike solitaire built in React and playable in the browser.
ArtifactNo sign-up★ 183games fun - 0.726score
Crosshare
Crosshare
Free, ad-free crossword constructor and solver community with a daily mini puzzle and shareable grids.
ArtifactNo sign-up★ 176games fun - 0.726score
JSMinesweeper
David Hill
Minesweeper player with a solver and analyser that shows safe cells and probabilities.
ArtifactNo sign-up★ 175games fun - 0.726score
Poker Chipper
jstrieb
Picks poker chip denominations for a cash game from your chip supply and the buy-in.
ArtifactNo sign-up★ 174games fun - 0.726score
RoyalUr.net
RoyalUr
Play the 4,500-year-old Royal Game of Ur online against a bot or a friend.
ArtifactNo sign-up★ 174games fun - 0.725score
JSSpeccy 3
Matt Westcott
ZX Spectrum emulator in the browser that loads tape and snapshot files you provide.
ArtifactNo sign-up★ 169games fun - 0.725score
Penpa+
swaroopg92
Create and solve sudoku and many other pencil puzzle types, with sharing by link and multiple colors.
ArtifactNo sign-up★ 169games fun - 0.724score
BCDice
bcdice
Dice-command roller supporting many tabletop RPG systems, popular in Japan; its site has an online roller.
ArtifactNo sign-up★ 164games fun - 0.724score
awesomeSheet
zombieFox
Pathfinder RPG online character sheet that auto-calculates many scores and bonuses.
ArtifactNo sign-up★ 161games fun - 0.723score
Nonogram
HandsomeOne
Nonogram puzzle (also called hanjie or picross) with generated boards and touch-friendly controls.
ArtifactNo sign-up★ 152games fun