Product
Caves of Wonders
The cheekiest bookmark manager for people whose saved links have become a small civilisation.
Yellow Sparks
Useful browser tools, websites and small ideas that became much bigger than expected.
Explore Our Products About Yellow SparksThings we have built
Things we wanted to exist, so we made them.
Product
ChatGPT Conversation Booster
Collapse long chats, save answers worth keeping and make ChatGPT feel less like a wall of text.
Product
Cap Snapshot
Save your open tabs for later without turning every temporary task into a bookmark
Product
Smart Conversion
Fast, reliable calculators and unit converters for questions that should not take all afternoon.
A little about us
We make things we wish already existed
Sometimes it is a very practical tool. Sometimes it gets a mascot, a huge pile of options or more attention than any sensible person would give it. We are a studio based in England.
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