Tech
1,683 interactive pages · most loved first · page 28 of 71· Tonble one of these
httpbin
A simple HTTP request and response testing service that echoes back headers, cookies, and payloads, useful for debugging…
Huemint
An AI-driven color palette generator that produces harmonious brand, UI, or data-visualization palettes based on a chose…
Human Shader
A record of an experiment where 1966 people did math by hand over three days to render the first shader painted entirely…
Human Utility Assessment
A deadpan satirical questionnaire from the fictional Office of Citizen Yield that tells you what your AI agent has concl…
HumanGPT
A social experiment where people predict the next word of a shared text: submit a word and, after one hundred votes, the…
Hydra
A browser-based live coding environment by Olivia Jack for creating video synthesizer visuals with just a few lines of c…
HyperCard Simulator
Runs classic HyperCard stacks right in the browser, so you can import old stacks and click through the playful multimedi…
HyperCard Simulator - Coffee Stack
A small classic-style HyperCard stack running in the browser as a PWA, a nostalgic taste of Mac-era interactive cards an…
Hyvector
A free browser-based SVG vector editor that needs no install, letting you draw, edit, and export clean vector graphics i…
I Don't Have Spotify
Paste a music link from Spotify, Apple Music, YouTube Music or others and get a page with links to the same song on ever…
I Love PDF 2
A free online PDF merger that combines PDFs and images into one file, with optional OCR to make scanned pages editable a…
Iconify
A unified search engine across more than a hundred open icon sets, letting designers preview, customize color and size,…
ICONSVG
A simple tool for finding, customizing, and generating common SVG icons, so you can tweak them and copy clean code strai…
Idyll Editor
An in-browser editor for Idyll, a markup language for interactive essays, where you write text with embedded components…
IEEE-754 Floating Point Converter
Type a decimal number and watch it break down into sign, exponent and mantissa bits, then flip bits yourself to see how…
ifconfig.co
A no-frills lookup tool that shows your public IP address and information about it, such as location and network provide…
iHateRegex
A regular expression playground and cheatsheet with live matching, visual railroad diagrams, notes and easy sharing, plu…
Illustration Kit
A library of over 120 open-source illustrations you can recolor, adjust skin tones on and download as SVG or PNG with no…
Ilograph Demo
An interactive multi-perspective architecture diagram you can explore in the browser, switching views to trace how a req…
ilove3d
A free set of 36 browser tools for 3D files, including an STL, OBJ, and GLB viewer, format converter, mesh repair, litho…
Image Compressor
A free in-browser image compressor for JPG, PNG, WebP, GIF and SVG that works by quality or target size and never upload…
Image Machine
Browser-based image tools that compress to an exact target file size, convert formats like AVIF, WebP, and HEIC, resize,…
Image Mage
A browser tool that turns your photos into comic book art, abstract paintings, pixel art, or pencil sketches, free to us…
Image Resize AI
A free browser toolkit that resizes, crops, compresses, and converts images in bulk without uploading them, handling JPE…
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