New this week

Paste or upload a table and map columns to many chart types to export vector graphics.

Previews how a title and description will appear in Google results on desktop and mobile.

To-do list, time tracker and day planner that works offline and integrates with issue trackers.

Open-source mind mapping app that offers collaborative maps and sharing.

Creates app icons with AI and exports every iOS and Android size, no sign-up per its page.

Models fractions with bars and circles to compare and combine them.

Stretch rubber bands on a pegboard to explore area, perimeter and shapes.

Analog and digital clock for teaching telling time.

Coins and bills for teaching counting money.

Ten-frame style grids to show counting and number composition.

Draws a number line with jumps and marks for arithmetic and fractions.

Base-ten blocks for place value, addition and subtraction.

Virtual rekenrek for counting and number combinations.

Pattern blocks for tiling, fractions and symmetry exploration.

Set the sectors of a spinner and run trials to compare experimental and theoretical odds.

Draw rectangles on a grid and see how area and perimeter relate.

Creates bar graphs from categories and values you enter.

Builds a box plot from data and shows the median and quartiles.

Graph functions and adjust parameters to see how the curve changes.

Plot functions and compare their graphs as you edit the equation.

Builds a histogram from data you enter and lets you change the bin width.

Change a shape on a grid and watch its perimeter and area update.

Plots points and fits a regression line so you can see how residuals change.

Tile the plane with regular polygons and see which combinations tessellate.

Apply reflections, rotations, translations and dilations to a shape on a grid.

Virtual piano keyboard to play with the computer keyboard using a real piano layout.

Checks fish tank stocking by bioload and also suggests heater size, filter flow and water change schedule.

Online Arabic keyboard for writing or searching in Arabic.

Arabic learning tools including a transliteration helper and word tools.

Block and JavaScript editor for building retro games that run in the browser or on handheld hardware.

Latin-to-English dictionary tool that parses inflected forms and shows meanings.

Web remake of the ArcoMage fantasy card game, a tower-building duel against the computer.

Computes timer prescaler and compare values for AVR timer interrupts on Arduino.

Checks whether an npm package's TypeScript types resolve correctly across module systems.

A web toolbox with calculators and a planner for the game Arknights, supporting all servers.

Generators for crossword, word search and other word puzzles built from your own word list.

Builds printable crosswords from words and clues.

Draw property-graph diagrams with labelled nodes and relationships for docs or slides.

Web front end for generating Stable Diffusion images on the AI Horde volunteer GPU network.

Writing helper that builds an article from a chosen or automatic outline.

A local-first block notes app with nested pages, templates and an optional AI assistant using a key you supply.

Draw boxes, arrows and lines on a text grid to make diagrams you can paste into code comments or READMEs.

Online reader of Panini grammar rules with commentary and search.

Metric and imperial unit converters with conversion tables.

Free American Sign Language lessons by Dr Bill Vicars.

Parses DER, BER and PEM data such as certificates and keys into a readable ASN.1 tree.

Mix ambient sounds such as rain and waves to help you focus or relax.

Parses code with many language parsers and displays the syntax tree for exploring transforms.

Checks how well a camera sensor suits a telescope in terms of image scale.

Shows what a telescope and camera combination will frame against sky targets.