Everything in the catalog

Clock that shows a quote from literature mentioning the current time.

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

Cleans up AI-generated pixel art and vector images directly in the browser.

Converts code between C# and VB.NET in both directions.

Premade gradients written with Tailwind CSS classes using default colors.

Quick React invoice maker with PDF export.

Web calculator for planning production chains in factory games such as Factorio and Dyson Sphere Program.

Generate a random bar array and animate several sorting algorithms on it.

Browser planetarium showing a star map for any place and time.

Texas Hold'em postflop GTO solver that runs in the browser using WebAssembly.

Builds favicon files and HTML for every platform from one image, with per-platform previews.

Unit converter for length, mass, temperature, currency and many other quantities, installable as a web app.

Browser word processor that opens and saves docx and odt files with no account and local processing.

Reference page that lists the named CSS colors grouped so similar shades sit together.

Precise metronome built on the Web Audio clock with tempo control and several time subdivisions.

Game Boy emulator for the browser that runs ROMs you load, with a debugger view and WebAssembly speed.

Resume builder aimed at layouts that applicant tracking systems can parse.

Moves files or text between devices as a series of QR codes, with no network link between them.

Adds zoom, backgrounds and cursor effects to screen recordings to make product demo videos.

Whois lookup for domains, IPv4/IPv6 addresses and AS numbers with a modern interface.

Generates a ramp of lighter tints and darker shades from a single hex color.

Small drawing tool for making 32 by 32 sprites.

Describe systems with TypeScript-style type syntax and see the diagram; documents are saved in the browser.

Unit conversion and calculation tool that accepts natural queries like 'miles to km' and checks dimensions.