📰 Dev.to · SHOTA
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Dev.to · SHOTA
3d ago
Building a Japanese-First Read-Later PWA: From Pocket Shutdown to Launch
After Pocket shut down, I built Readbox — a Japanese-first read-later PWA. Notes on Vercel serverless, on-device storage, i18n routing pitfalls.
Dev.to · SHOTA
5d ago
I Applied SLA Concepts to My Email Inbox — Here's What I Learned Building the Chrome Extension
Tracking response time deadlines for emails in Gmail using Chrome MV3, DOM mutation observers, and a color-coded urgency system.
Dev.to · SHOTA
⚡ AI Lesson
1w ago
190 Countries, Zero API Calls: Shipping Static Data in a Chrome Extension
How I structured and bundled a 190-country visa requirements matrix into a Chrome extension without hitting any external API at runtime.
Dev.to · SHOTA
1w ago
How to detect ghost jobs in 2026 — a developer's guide
Nearly 4 in 10 hiring managers admit posting jobs with no plan to fill them. Here are the four signals I use to detect ghost jobs from a Chrome extension — with
Dev.to · SHOTA
1w ago
Ghost Jobs Are Wasting Your Time — I Built a Chrome Extension to Detect Them
How I detect fake job listings using posting age, description vagueness, and duplicate signals in a Chrome MV3 extension. No API keys needed.
Dev.to · SHOTA
📣 Digital Marketing & Growth
⚡ AI Lesson
1w ago
How to Avoid Chrome Web Store 'Red Nickel' Rejection: What I Found After Auditing 18 Extensions
I got my Chrome extension rejected from the Chrome Web Store last week for a 4-letter word:...
Dev.to · SHOTA
⚡ AI Lesson
2w ago
Detecting YouTube SPA Navigation in a Chrome Extension Content Script
How to reliably run code on every new YouTube video — not just on the first page load — using MutationObserver and a URL change guard.
Dev.to · SHOTA
2w ago
I Built a Price History Tracker for Japan's 4 Major E-Commerce Sites (Amazon.co.jp, Rakuten, Yahoo!, Mercari)
How I scraped price data from 4 different site structures, built a local price history DB with IndexedDB, and created drop alerts — all in a Chrome MV3 extensio
Dev.to · SHOTA
3w ago
I Built a Chrome Extension That Remembers Where You Stopped Reading
test content
Dev.to · SHOTA
3w ago
Building a Cookie Manager Chrome Extension: What I Learned From the MV3 Transition
Cookie management extensions are one of the oldest categories in the Chrome Web Store. EditThisCookie...
Dev.to · SHOTA
3w ago
Building a Cookie Editor Chrome Extension — Why I Built CookieJar After EditThisCookie Died
EditThisCookie Is Gone — Now What? In late 2024, EditThisCookie — the most popular cookie...
Dev.to · SHOTA
📣 Digital Marketing & Growth
⚡ AI Lesson
3w ago
Real Numbers: Freemium Chrome Extension Monetization After 6 Months
I've been publishing Chrome extensions for about a year. Six months ago I started adding freemium...
Dev.to · SHOTA
📣 Digital Marketing & Growth
⚡ AI Lesson
3w ago
Monetizing Chrome Extensions with Freemium — Real Numbers from 7 Paid Extensions
Can You Actually Make Money with Chrome Extensions? Yes. But the numbers are smaller than...
Dev.to · SHOTA
3w ago
I Built a Chrome Extension That Checks Japanese Subscription Terms with AI
Japanese subscription services have a problem with terms and conditions. Not the length — that's...
Dev.to · SHOTA
3w ago
I Built a Chrome Extension That Auto-Fills Any Form — Encrypted, No Cloud
How I implemented AES-256 encrypted local storage for sensitive form data in a Chrome MV3 extension, with one-click autofill and import/export.
Dev.to · SHOTA
3w ago
I Built an AI-Powered Japanese Trade Law Compliance Checker as a Chrome Extension
Japan's Subcontracting Act (Toriteki-ho / 取引適正化促進法, commonly called 下請法) governs transactions between...
Dev.to · SHOTA
4w ago
Chrome Web Store SEO: How I Optimized 17 Extensions for Search
Chrome Web Store Has a Search Engine — and Nobody Optimizes for It Most Chrome extension...
Dev.to · SHOTA
📣 Digital Marketing & Growth
⚡ AI Lesson
1mo ago
How I Cross-Promote 18 Chrome Extensions Without Annoying Users
I publish Chrome extensions as a solo developer. I currently have 18 live extensions across two...
Dev.to · SHOTA
1mo ago
I Added Cross-Promotion to 18 Chrome Extensions — Here's What Happened
Why Cross-Promotion? When you have 18 Chrome extensions, each one becomes a potential...
Dev.to · SHOTA
1mo ago
How to Block Distracting Sites — Free Chrome Extension with Breathing Exercises
test
Dev.to · SHOTA
1mo ago
I Built 20 Free Browser-Based Developer Tools — No Signup, No Server, No Tracking
Every developer has a collection of bookmarked utility sites. A JSON formatter here, a Base64 encoder...
Dev.to · SHOTA
⚡ AI Lesson
1mo ago
I Built a Chrome Extension That Adds Playback Speed and Picture-in-Picture to Japan's Free Streaming Service
TVer is Japan's official free streaming platform — catch-up TV for every major broadcaster. It's the...
Dev.to · SHOTA
📣 Digital Marketing & Growth
⚡ AI Lesson
1mo ago
TVer Plus: Adding Playback Speed and PiP to Japan's Free Streaming Service
TVer is Japan's major free streaming platform, hosting recent episodes of most major Japanese TV...
Dev.to · SHOTA
1mo ago
I Built a Scroll Position Memory Extension That Actually Works on SPAs
Every browser has a native scroll restoration feature. It's called scroll-restoration in the History...
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