How Chrome Extensions Actually Make Money
Publishing a browser extension to an app store is straightforward, but setting up a sustainable business model requires solving architectural challe…
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Hooking URL.createObjectURL: How My Chrome Extension Saves Instagram Voice Notes as They Play
Instagram still does not let you save voice messages from DMs. No download button, no archive, nothing. If a friend sends you a voice note worth kee…
My Chrome Extensions Can Read the Page — So I Designed Them Not to Send It Anywhere
Some of my Chrome extensions need access to the page you are looking at. That sounds uncomfortable. And it should. If an extension can inspect a pag…
How to Clear Cache and Cookies for One Website in Chrome Without Resetting Everything
When one website breaks in Chrome, “clear your cache and cookies” is a common support answer. It often works, but the browser-wide version is unnece…
A practical preflight checklist for Manifest V3 extension releases
An extension can work perfectly in development and still fail after packaging. The risky change is often not in the feature code itself. It can be a…
I Built SaveBuddy – A Simple Chrome Extension to Save & Manage Bookmarks
SaveBuddy – A Simple Chrome Extension to Save & Manage Your Favorite Links Every day we open dozens of tabs in Chrome, and eventually lose track…
How to Maintain AI-Generated Chrome Extensions When Web UIs Update (Part 4)
This article was originally published on e-shikumi-labo . Hello, I'm Shin from e-Shikumi-Labo. This is the final installment (Part 4) of "Systematiz…
Auto-Export Gemini Chats to Markdown & Google Drive via GAS (Part 2)
This article was originally published on e-shikumi-labo . Hello, I'm Shin from e-Shikumi-Labo. This is Part 2 of "Systematized Thinking," where we u…
One Checkbox, Three Kinds of State in a Chrome MV3 Extension
I thought I had a settings bug. What I actually had was three different kinds of state pretending to be one boolean. While building a Chrome Manifes…
After Shipping 8 Chrome Extensions, These Are the 5 Rules I Always Give AI Agents
AI agents can build Chrome extensions surprisingly fast. After shipping eight extensions, though, I found that the biggest risks usually do not come…
Building a Chrome Extension to Auto-Save Gemini Chat Logs using AI (Part 1)
This article was originally published on e-shikumi-labo . Hello, I'm Shin from e-Shikumi-Labo. How do you all manage your conversations with Gemini?…
The internet did not get boring. Our routes through it did.
Disclosure: I’m the independent creator of Web Wander. I’m sharing the design idea behind it, not presenting an independent review. There is a pecul…
Part 4: When It Breaks, Just Fix the 'Raw Parts'. The Self-Reliance to Maintain Tools Yourself by Commanding AI
This article was originally published on e-shikumi-labo . Hello, I'm Shin from e-Shikumi-Labo. This is the final installment (Part 4) of "Systematiz…
Part 3: The '1.5-Second Trap' Overlooked by AI. Avoiding Account Ban Risks Using Years of Scraping Experience
This article was originally published on e-shikumi-labo . Hello, I'm Shin from e-Shikumi-Labo. This is Part 3 of "Systematized Thinking," where we u…
I Built a Chrome Extension Because I Was Tired of Logging In and Out
For years, I've kept a small notebook filled with ideas for apps and developer tools. Most of them came from one simple question: "What problem do I…
I Built a Chrome Dictionary Extension in 2 Weeks:
From Local Hacking to 4 Browser Stores TL;DR: Shipped a Chrome extension that fetches word definitions from a free API, published to Chrome Web Stor…
How I built a Chrome extension that reads Terms of Service using AI — and what I found
The problem that made me build this Every time I signed up for a new app or service, I clicked "I Agree" without reading a single line. Nobody reads…
Booster Leboncoin: the Manifest V3 Chrome extension that bumps my ads and watches prospects for me
I have seven active ads on Leboncoin (France's Craigslist): IT support, web dev, WordPress hosting, retrogaming, e-waste pickup. All relevant for my…
Building Margin: A Privacy-First News Reader Inside Chrome's Side Panel
I built a Chrome extension called Margin — a news reader that lives in the browser's side panel and shows one bite-sized story at a time, instead of…
Auto-Block Focus Time in Google Calendar — Building a Schedule-Based Chrome Extension
Most focus-time tools for Google Calendar require OAuth access and sync your calendar data to their servers. Clockwise shut down its free tier. Recl…
I Built a Web App That Finds the Fairest Meeting Spot for Any Group (and It's Free)
The Problem Nobody Talks About Picture this: You're trying to find a place to meet up with friends. Someone suggests a coffee shop. It's 8 minutes f…
I Built a Full Apex IDE Inside a Chrome Extension (No Java, No Local Setup)
The Problem with the Existing Apex Workflow If you've done any meaningful Apex development, you know the drill: Open Salesforce Developer Console (s…
I Built a Visa Requirement Overlay for Google Flights — Here's How the Chrome Extension Works
Every time I plan a multi-country trip, I end up in the same loop: open the foreign ministry website, navigate three layers of dropdowns, find the r…
I built a Chrome extension that tests web forms with AI
Dev log #1 Hi, I'm Denyse. I'm a software engineer, and for the past two months I've been building a tool I'm genuinely excited about. It's a Chrome…
I built a Chrome extension that shows your ChatGPT token usage in real-time
Ever wonder how many tokens you've actually used in ChatGPT today? I did — and I couldn't find anything that tracked it properly, so I built one. Ch…
I was wasting 10 minutes every Claude session. So I built a fix.
Every day I use Claude.ai for real work — writing specs, refining prompts, making product decisions. And every single day, the same painful ritual b…
What I Learned Building My First Chrome Extension for Google Calendar
Recently I launched my first Chrome extension: Tint Calendar , a small tool that adds more color options and text color customization to Google Cale…
I built my first Chrome extension because editing localStorage was annoying
I finally published my first Chrome extension. It is called DataSidekick , and I built it because I got tired of fighting DevTools every time I need…
I Built a Chrome Extension to Make JavaScript State Debugging Less Painful
I Built a Chrome Extension to Make JavaScript State Debugging Less Painful I recently published my Chrome extension, Dweav (Data Weave) Trace , on t…
I Built a Price History Tracker for Japan's 4 Major E-Commerce Sites (Amazon.co.jp, Rakuten, Yahoo!, Mercari)
Keepa tracks Amazon price history. It works well for Amazon.com. For Amazon.co.jp it has gaps — delayed updates, missing products, no Rakuten/Yahoo!…