X (Twitter) Chrome Extension
Free Profile Analytics & Insights
Looking for the best X Chrome extension? OpenTweet Companion analyzes any profile, shows posting heatmaps, and highlights viral posts — all for free, right inside X.
Free forever • Works on x.com & twitter.com
What the Extension Does
Profile Analysis
Analyze any X account to see their posting frequency, consistency score, and engagement patterns
Posting Heatmap
Visual heatmap reveals when accounts post most frequently across every hour and day of the week
Viral Post Detection
Spots viral posts in real-time as you scroll. Customize what counts as viral for your niche
On-Page Stats
Statistics widget injected directly on X profile pages — see data without leaving the site
Best Time Recommendations
AI-powered suggestions for when to post based on actual engagement data from analyzed profiles
OpenTweet Integration
Syncs with your OpenTweet scheduler. Apply research directly to your posting schedule
See the Extension in Action
Real analytics data, displayed right where you need it
How OpenTweet Companion Compares
| Extension | Price | Analysis | Heatmap | Viral | Scheduler |
|---|---|---|---|---|---|
| OpenTweet Companion | Free | ||||
| Tweetdeck / X Pro | $8+/mo | - | - | - | - |
| Social Blade | Free / $3.99 | - | - | - | |
| Followerwonk | $29+/mo | - | - |
Pricing as of February 2026. Features based on publicly available information.
Why Creators Install OpenTweet Companion
Data-driven X growth, without the guesswork
Research competitors without switching tools
Visit any profile on X and instantly see their posting patterns, consistency, and engagement. No extra tabs, no spreadsheets.
Discover the best times to post in your niche
Analyze top accounts in your space and see exactly when they post. Find the overlapping high-engagement windows for your audience.
Identify viral content patterns
Viral highlighting shows you which posts are performing far above average. Study what works and model your content after proven formats.
Improve your consistency
Your own profile heatmap shows you gaps in your schedule. Combined with OpenTweet scheduling, you can fill those gaps automatically.
Chrome Extension FAQ
Common questions about the OpenTweet Companion extension
Is the Chrome extension really free?▾
Does the extension collect my data?▾
How accurate are the posting time recommendations?▾
Does it work with the new X.com domain?▾
Can I customize what counts as a viral post?▾
Get the Best X Chrome Extension — Free
Install the extension and start analyzing profiles, finding viral posts, and optimizing your posting schedule.