Tech
1,683 interactive pages · most loved first · page 64 of 71· Tonble one of these
UnitConverters.net
A comprehensive unit conversion suite covering length, weight, temperature, cooking measurements, and dozens of other ca…
Unitpedia
A collection of client-side online tools including unit converters, math calculators, and name generators, all running i…
Unix Magic Poster Annotations
An interactive guide to the classic UNIX Magic poster where you hover each marker to open annotations explaining the com…
Unix Magic Poster Annotations
An interactive annotation project that maps the illustrated items on the classic Unix Magic poster and explains the in-j…
Unknown Pleasures
An experimental audio visualizer built with React Three Fiber and WebGL, turning sound into a moving 3D scene as a tiny…
Unsure Calculator
A back-of-the-napkin calculator that lets you do arithmetic with numbers you are not sure about, using ranges and return…
Until AM
A browser DJ tool with virtual turntables, scratching, and live effects, so you can mix tracks and play with a deck with…
UPMASH
An AI tool that mashes up any two songs automatically in one click, so you can hear unlikely pairings blended into a sin…
URL Lengthener
A tongue-in-cheek tool that turns any link into an absurdly long, weird-looking URL that still works, the opposite of a…
Urlist
A minimalist tool for saving links and organizing them into clean, shareable lists, handy for curating reading lists, re…
US Job Market Visualizer
An interactive visualization of US job market statistics, letting you explore how occupations compare across employment…
UUID Generator
A single-purpose tool that instantly generates version 1 and version 4 UUIDs in bulk for developers who need unique iden…
UVa Online Judge
A long-running archive of programming problems you can solve in several languages and submit for automatic judging, a st…
v86
An x86 emulator running entirely in the browser, letting you boot Linux, FreeDOS, Windows 98, and other operating system…
Vandal
An alternate navigator for the Internet Archive's Wayback Machine, making it easier to move through the archived snapsho…
Vector Express
A free online converter that switches vector files between formats such as AI, CDR, DWG, DXF, EPS, PDF, PLT, and SVG, wi…
Vectorizer.io
A tool that automatically converts raster images like PNGs and JPEGs into clean scalable vector graphics, ready for logo…
Vectr
A free, browser-based vector graphics editor for creating simple logos, icons, and illustrations without installing any…
Veil
A browser-based PDF reader that darkens pages for night reading while leaving images, charts and diagrams untouched, so…
Ventusky - Weather Forecast, Radar and Wind Maps
An interactive weather map showing forecasts, radar, satellite imagery, and wind patterns from multiple meteorological m…
VERT
A free, privacy-friendly file converter that turns images, video, audio and documents into other formats right in your b…
Vertex Shader Art
A community platform where anyone can write and remix short vertex shaders to generate mesmerizing animated point-based…
VesselFinder
A live ship-tracking map showing the real-time positions, routes, and details of hundreds of thousands of vessels worldw…
V-Fonts
A simple resource for finding and trying variable fonts, letting you drag sliders for weight, width and other axes to se…
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