Small products
These are products I have built to test ideas, stay close to the work, and see what holds up once real users show up.

An online greeting card maker with ready templates, editable messages, and quick sharing for personal or work use.

A simple image compression tool for people who need smaller files without making the image look bad.
A reply helper for tense conversations. It helps you say what you mean without making the situation worse.

An AI-powered, cross-time mind lab for deep dialogue with historical sages, cognitive insight cards, and meaningful connections with like-minded people.

A Chrome extension that turns the current page into a QR code in one click. You can save it, share it, and move on.

A quick daily fortune tool with horoscope-style readings, lucky colors, lucky numbers, and a simple forecast for the day.

A traditional Chinese almanac tool for daily dos and don'ts, auspicious hours, date lookup, solar terms, and clothing color tips.

A collection of cheesy lines, playful flirting copy, and confession ideas when you want something a little less dry.
A clean, ad-free mini program for lunar calendar lookup, lucky dates, outfit colors, and holiday reminders.
A lightweight ledger mini program. No ads, no forced signup, and built for simple day-to-day tracking.

A practical guide to building products in the AI-native era, with Codex tips, tutorials, AGENTS setup, and notes on the business side.

A Feishu plugin for Codex that lets you control Codex from chat, pull docs or wiki context, and push project daily reports back into Feishu.