What is Reach Optimizer Chrome extension?

It's a free tool that scores your tweets using X's open algorithm rules, predicts reach live, and suggests tweaks—no API needed for basics.

How accurate is Reach Optimizer for tweet reach?

Base predictions are rough, but after 50 calibrated posts, it's within 20% of actual reach, factoring your history.

Does Reach Optimizer detect AI-generated tweets?

Yes, opt-in slop detector flags 28 AI patterns plus Claude check; avoids X's anti-AI penalties.

📦 Open Source

X's Open Algorithm Powers This Free Chrome Extension That Predicts Tweet Reach Live

Stuck at 200 views per tweet? One dev cracked X's algorithm, built a Chrome extension that predicts your reach as you type. Replies: 27x likes. Self-replies: 150x. Game on.

DevTools Feed Apr 03, 2026 4 min read 18 views

Reach Optimizer Chrome extension overlay showing tweet score 72/100 and predicted reach 14,200

⚡ Key Takeaways

X's algorithm weights like 150x self-replies and -50% links are now actionable in a free Chrome extension. 𝕏
Client-side scoring + calibration makes predictions personal and accurate after ~50 tweets. 𝕏
Timeline X-ray reveals viral patterns; AI boosts catch slop before posting. 𝕏

Published by

DevTools Feed

Ship faster. Build smarter.

#Chrome extension #X algorithm #tweet reach predictor #twitter open source

Worth sharing?

Get the best Developer Tools stories of the week in your inbox — no noise, no spam.

Originally reported by dev.to

⚡ Key Takeaways

The 60-Second TL;DR

DevTools Feed

Share this article

Worth sharing?

Related Stories

Solvoke Synap Ends AI Context Fragmentation — A Solo Dev's Local Fix for Claude, ChatGPT, and Cursor

5 Godot Lines That Turned Random Roguelike Runs into Addictive Daily Duels

Strapi Plugin or Trojan Horse? Malicious npm Packs That Steal Your Secrets

272 Dentists, 85K Reviews: The Open-Sourced Tool Exposing Local SEO Battlegrounds

Stay in the loop