Word Quest
Play. Discover. Remember.
A vocabulary learning PWA that turns language study into an interactive quest.
- Gamified Learning
- Vocabulary Quests
- PWA
WSWW LAB
Turn ideas into products the world can use.
We design, build, and grow digital products with AI and Web technologies — from Japan to the world.
01 / ABOUT
From insight to worldwide value.
What WSWW stands forWSWW LAB is a technology lab that turns ideas and knowledge into useful digital products — then keeps improving them in the real world.
Technology is a means, not the destination. We begin with the value people need and carry it from concept through launch and growth.
- 01
Wisdom
Find the insight within a problem, idea, or body of knowledge.
→ - 02
Software
Shape that insight into useful, dependable software.
→ - 03
Web
Make it accessible to anyone through the web.
→ - 04
World
Grow its value beyond borders.
02 / PRODUCTS
Products built to be used.
Planned, built, and operated by WSWW LABえほんのじかん
Read, listen, and speak through classic Japanese tales.
A free children's app for enjoying folktales through read-alouds, comprehension questions, and microphone-based reading tests.
- Read-aloud Stories
- Comprehension Questions
- Reading Test
- No Signup
PDF Tool
23 PDF tools. No signup. No upload.
A free browser toolkit for everyday PDF tasks including merge, split, compress, and convert.
- 23 Tools
- Free
- No Signup
- Browser Processing
Web Tools
Free browser tools. No signup. No upload.
A free collection of practical browser tools for text, images, QR codes, calculations, conversion, development, and more.
- Free Browser Tools
- No Signup
- No Upload
- On-device Processing
まいにちクイズ
毎日つづける、無料のクイズ・検定
漢字・雑学・都道府県・歴史・ことわざ・英単語の無料クイズ。1問ずつ解説付きで進み、毎日更新の「今日の5問」で連続記録に挑戦できます。登録不要・全問無料。
- 5 Daily Questions
- 6 Categories
- No Signup
- Free
How these products are built with Claude Code is explained on YouTube: AI副業部屋 (Japanese)
03 / FOUNDER
Built hands-on, end to end.
Builder of WSWW LAB ProductsFounder / Product Engineer
Ou Cho
A product engineer working across AI, web applications, and data systems. He turns ideas into practical products and works hands-on from architecture and development through operation and continuous improvement.
- AI
- Product Development
- Web Systems
- Data Architecture
- Technology Strategy
04 / CONTACT
Have an idea?
Start a conversation with WSWWLET'S BUILD SOMETHING USEFUL
Let’s turn it into a product people can use.
Talk to us about product development, applied AI, web applications, service improvement, or collaboration.
Inquiry form recipientwswwlab@gmail.com