Flex Message Simulator Companion

by iamPrompt · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 17 Oct 2026

Auto-load, fetch remote JSON, and inject LINE Flex Message payloads into the LINE Flex Message Simulator.

Users

+9 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#179K

#150K among extensions

Version

1.0.1.0

updated 17 Aug 2026

Users

monthly, 2 months

Latest, 17 Oct 2026: 13 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months

Latest, 17 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Flex Message Simulator Companion

Flex Message Simulator Companion supercharges your LINE Flex Message development workflow by seamlessly bridging web apps, remote JSON payloads, and the official LINE Flex Message Simulator. 🚀 KEY FEATURES: ✦ One-Click Simulator Launch: Instantly open the official LINE Flex Message Simulator with your payloads pre-loaded and rendered. ✦ Clean & Non-Intrusive: Runs quietly in the background without modifying third-party websites unless you explicitly trigger a simulator session. --------------------------------------------------- 🛠 HOW TO USE: 1. Click the extension icon in your browser toolbar to quickly open the LINE Flex Message Simulator. 2. In supported web applications, click "Open in Simulator" to send the current Flex Message payload directly into the simulator editor. 3. Enjoy an accelerated LINE Bot & Flex Message design workflow!