FolderMark
Search & organize bookmark folders
A bookmark folder manager with search, color labels and a cleaner organization workflow.
Independent builder with a product mindset
Li Lin HuangAI Product Builder
I build practical digital products with AI.
Product thinking · Chrome extensions · Smart workflows
Design with clarity. Build with AI. Ship tools people keep.
01 AI Tools02 Productivity03 Design Tools
Holographic memory
Works as floating shards
Drag to pan, scroll to glide through the shards, click one to open its store page.
Drag to pan, scroll to glide through the shards, click one to open its store page.
Published Browser Products
From oldest to newest, tracing the real 0-to-1 journey across 15 products.
Release journey
Daily Habit Tracker
Daily productivity
A lightweight habit tracker for daily routines, health records and small lifestyle goals.
View on Chrome Web StoreView on GitHub
Magic Tarot
AI tarot
Tarot draws with AI-driven interpretations, multi-turn Q&A and quick yes/no decisions.
View on Chrome Web StoreView on GitHub
Pixel Color Picker
Design utility
A browser color utility for picking page colors, saving palettes and copying multiple formats.
View on Chrome Web StoreView on GitHub
PromptVault
AI prompt manager
A personal prompt library for saving, organizing and reusing useful AI prompts.
View on Chrome Web StoreView on GitHubFolderMark
Bookmark manager
A bookmark folder manager with search, color labels and a cleaner organization workflow.
View on Chrome Web StoreView on GitHub
LingoFlow
Language learning
A foreign website reading assistant for translation, comprehension and language learning in the browser.
View on Chrome Web StoreView on GitHub
Lucky Pick
Decision helper
A playful decision helper for random choices, coins, dice and everyday uncertainty.
View on Chrome Web StoreView on GitHub
MiniCalc
Utility
A compact browser calculator designed for fast calculations without leaving the current tab.
View on Chrome Web Store
KeyAtlas
Productivity search
A shortcut search engine for discovering keyboard shortcuts across apps and systems.
View on Chrome Web StoreView on GitHub
ReplyPilot
AI productivity
An AI email reply assistant for Gmail that generates professional customer-service replies from the open message.
View on Chrome Web StoreView on GitHub
StockMeta Assistant
Title & keyword generator
An AI metadata assistant for Adobe Stock creators, built to improve title and keyword workflows.
View on Chrome Web StoreView on GitHub
PinMate
Pinterest title, description, tags & alt text
An AI Pinterest assistant that generates optimized titles, descriptions, tags and alt text for pins and boards.
View on Chrome Web StoreView on GitHub
TinyPalette
Color utility
A tiny, delightful color companion for previewing HEX, converting to RGB/HSL and copying color codes.
View on Chrome Web StoreView on GitHub
SubtitleMate for YouTube
YouTube captions
Auto-enables YouTube captions with translation or English auto-generated tracks, plus a fixed playback speed.
View on Chrome Web StoreView on GitHub
MindCapsule for YouTube
YouTube learning
Turns YouTube videos into structured knowledge capsules with AI summaries, key takeaways and quick recall.
View on Chrome Web StoreView on GitHubSelected Work
All projects →Five products, five different frictions: what I noticed, what I designed and what made it to the store.
Product case / 01
Daily Habit Tracker
A lightweight daily habit and health tracker.
Chrome ExtensionJavaScriptLocal StorageLifestyle UX
Problem
Daily routines and small health records are easy to forget without a simple, low-friction place to log them.
Solution
A lightweight tracker that makes daily logging quick and keeps small lifestyle goals visible.
Product case / 02
FolderMark
A bookmark folder manager with search and color labels.
Problem
Bookmark folders grow messy and hard to search as the collection expands.
Solution
Search, color labels and a cleaner organization workflow that keeps bookmarks manageable.
Product case / 03
StockMeta Assistant
AI metadata assistant for Adobe Stock creators.
Problem
Writing titles and keywords for many stock assets is slow and inconsistent.
Solution
A browser workflow that helps creators generate and organize stock metadata more efficiently.
Product case / 04
LingoFlow
Foreign website reading assistant for language learners.
Problem
Reading foreign websites is slow and tiring when every unfamiliar word breaks the flow.
Solution
Inline translation and comprehension help that keeps readers in the page while learning the language.
Product case / 05
PromptVault
AI prompt management for power users.
Problem
Useful prompts often get lost across chat histories, notes and repeated workflows.
Solution
A personal prompt library for saving, tagging and reusing prompts across AI workflows.
Browser products
These products cover AI tools, productivity workflows, design utilities, learning tools and everyday creative use cases.
0
Published extensions
0
Product directions
0 to 1
Idea to launch
AI tools
StockMeta AssistantPromptVaultReplyPilotPinMateMindCapsule for YouTube
Productivity
KeyAtlasFolderMarkMiniCalcSubtitleMate for YouTube
Design
Pixel Color PickerTinyPalette
Learning
LingoFlow
Life
Lucky PickMagic TarotDaily Habit Tracker
My Product Method
A practical loop for identifying needs, designing solutions, validating quickly and iterating through real usage.
01
01
Discover Problems
Identify workflow bottlenecks and user needs from real scenarios, especially around AI, productivity and creator tools.
02
02
Design Solutions
Turn fuzzy ideas into clearer features, user flows and interface structures.
03
03
Build Fast
Use AI-assisted development and frontend skills to create working prototypes and polished browser products.
04
04
Iterate
Improve products through usage feedback, store requirements and sharper positioning.
Let's build something useful.
Open to AI products, product manager opportunities, indie product building, and creative tech projects.