20 powerful websites you should know, as seen on @promptingbad
@promptingbad posts short videos on Instagram and TikTok about powerful websites you should know. The kind that do in a browser tab what you would expect to need an app, a subscription or a whole team for.
The video is over in thirty seconds and the link is gone. Here they are in one list, each one opened and checked by a person.
Updated · 20 sites · hand-checked
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1. Book of Shapes
A gallery of algorithmic patterns you can tweak with sliders and download as SVG or PNG.
- Design & Type
- Free
- bookofshapes.com
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2. cobalt
Paste a link from YouTube, TikTok, SoundCloud and many others and save the video or audio. No ads, no tracking, nothing else on the page.
- Everyday Tools
- Open source
- cobalt.tools
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3. PerlerBeads
Turn any picture into a fuse-bead pattern with a bead count per colour, mapped to Perler, Hama and Artkal palettes.
- Everyday Tools
- Free
- perlerbeads.net
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4. WindowSwap
Ten minutes out of a stranger's window, somewhere in the world. Uploaded by whoever lives there, with the birds and the traffic left in.
- Fun & Weird
- Freemium
- window-swap.com
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5. Temp Number
Public temporary phone numbers whose incoming SMS show up on the page, for sign-ups you don't want your real number on.
- Everyday Tools
- Free
- temp-number.com
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6. Servier Medical Art
Thousands of clean medical and biology illustrations, from cells to organs to lab gear, free to use in slides and papers under CC BY.
- Science & Space
- Free
- smart.servier.com
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8. Submarine Cable Map
Every fibre-optic cable on the ocean floor, drawn on one map with its landing points, owners and dates. The physical internet, suddenly legible.
- Maps & Earth
- Free
- submarinecablemap.com
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9. Privacy Guides
Non-hysterical, well-researched recommendations for private tools and sensible threat models.
- Everyday Tools
- Open source
- privacyguides.org
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10. Cover Your Tracks
The EFF tests how uniquely identifiable your browser fingerprint is. Sobering results.
- Everyday Tools
- Free
- coveryourtracks.eff.org
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11. Yarn
Search a quote and get the exact clip from films, shows and music videos, ready to share as a link or GIF.
- Music & Audio
- Free
- getyarn.io
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12. Huemint
Generates palettes previewed on a website, a logo or a gradient, so you judge colours where they will be used. Lock the ones you like and reroll the rest.
- Design & Type
- Free
- huemint.com
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13. Squoosh
Compress images with a side-by-side slider so you can see exactly what quality you are trading away.
- Design & Type
- Open source
- squoosh.app
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14. Chronas
Drag a slider through 5,000 years of history and watch empires grow and collapse on the map, with linked articles for every era.
- Maps & Earth
- Free
- chronas.org
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15. Bouncy Balls
Balls on the screen bounce to the noise level in your room. Teachers use it to quiet classrooms.
- Fun & Weird
- Free
- bouncyballs.org
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16. Goblin Tools
Small helpers built for neurodivergent brains. Magic ToDo breaks a scary task into tiny steps, and others judge the tone of a message or estimate time.
- Everyday Tools
- Free
- goblin.tools
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17. VibeSail
A 3D sailing simulator where trimming the sails actually matters. Daily races, real coastlines and short tutorials on how wind works.
- Games & Play
- Free
- vibesail.com
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18. Wiby
A search engine for pages built like it is still 1999. Surprise Me is the main feature.
- Read & Archive
- Free
- wiby.me
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19. DIY Printable Generators
Make printable word searches, crosswords, bingo cards and tartan patterns from your own words and colours.
- Everyday Tools
- Free
- printablecreative.com
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20. zone-vm
S.T.A.L.K.E.R. running in a browser tab on the open-source OpenXRay engine. Point it at your own game folder and walk into the Zone.
- Games & Play
- Open source
- zonevm.btr.pm
Want more than 20?
This list is one slice of a directory of 481 websites. Search, filter by category or tag, or shuffle the lot.
Explore the full directoryQuestions
Where can I find the websites from @promptingbad's videos?
Right here. This page collects the powerful websites @promptingbad shares on Instagram and TikTok, with a link, a screenshot and a short description for each.
Are these websites free?
Most of them are. Every entry shows its price, and none of them need an install.
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