01 / CREATIVE TOOLIMAGE
ImgCrop
A small workspace for your images. Crop, split, and give every detail its own space.
AN INDEPENDENT DIGITAL PLAYGROUND
Small ideas.
Real experiments.
A personal lab for the things that make me curious.
Exploring the web, AI, and the space in between.
Made by BestGuo2020Always a work in progress.
CURIOUS BY DEFAULT. BUILDING BY CHOICE.SCROLL TO EXPLORE
01 / SELECTED EXPERIMENTS
Things from the lab.
A few ideas that made it
out of the terminal.
02 / EVERYDAY EXPLORATIONWEATHER
My Weather
A weather experiment for a simple everyday question: what’s it like outside?
03 / INTERACTIVE PLAYMAHJONG
Lianhua Guangma
A mahjong variant unique to Lianhua County — shuffle to final hand, all in the browser.
04 / LOGIC EXPLORATIONMAHJONG
Mahjong Tingpai
An exploration of mahjong patterns and the tiles that complete a hand.
05 / MEDIA TOOLWECHAT
WeChat Video Extractor
Extract native videos from WeChat articles. Preview, copy the video link, or download.
06 / VIDEO TOOLKEYFRAMES
Video Frame Extractor
Turn local videos into stills. Extract keyframes or timed frames and export PNG/JPG — no upload needed.
07 / MULTI-MODEL EXPERIMENTSOLAR TERMS
24 Solar Terms · Three Models
One theme, three implementations built with Qwen, DeepSeek, and GPT. Explore Earth’s orbit, the seasons, and three ways to bring the 24 solar terms to life.
Explore each model’s version
ONE THEME / THREE INTERPRETATIONS
08 / AI COOKING TOOLCOOKING
Video Recipe
Turn cooking videos into step-by-step recipes, with ingredients, video clips, heat guidance, and timers to cook along.
09 / OUTDOOR TOOLMAPS
Xingji · Location Recorder
Save places and record routes for everyday outings or hikes. Review distance and elevation, with local storage and cloud sync.
Open experiment WEB + ANDROID
10 / REGIONAL MAHJONGMAHJONG
Yaotong Mahjong
One Dot can be a wildcard, with its own discard and liability scores. One Bamboo, Eight Dots, and One Character are fixed “chickens.” Ready declarations, chicken reveals, and chicken burns make winning the hand only part of the score.
Open experiment BROWSER / LOCAL AI
11 / UNDER THE HOOD
Lianhua Mahjong Backend
The other side of the table. Explore the project’s backend source.
02 / THE PERSON BEHIND THE PROMPT
Hello, I’m
BestGuo2020.
This is my little corner of the internet — a place to follow an idea, try something new, and see what happens.
Some experiments become useful tools. Others are simply fun to build. They all start with the same question: “What if?”
Say helloField notes are on the way.No published notes yet. The first one is being written.
Welcome to the lab.
❯ cat README.md
hello, I’m BestGuo2020.
building small experiments for the web.
❯ ls
Type help to explore. Stay curious.
HAVE A THOUGHT, AN IDEA, OR JUST A HELLO?
support@mail.guoguo-labs.online