PerfX
Score your X post before you publish.
Built for X (Twitter). Paste a draft, drop in an image, or both — we rate it out of 100 against X's algorithm signals, flag what's killing reach, and rewrite it three ways.
Generate trend-aligned content variations.
Pick a reference image, choose a niche, and generate up to 5 on-trend variations.
Models & accounts PREMIUM
Pair a saved character with an X account.
Drop an image, or click to browse
PNG, JPG or WebP · used as a one-off, or save below
Save this as a character
We'll keep it on our side so you don't have to upload again.
Saved models live in this browser only · no file storage
Generate tweets
Pick a niche, personality and method — or type your own prompt.
Niche
Personality
Marketing method
Prompt optional
Post Builder
Pick a saved model on the left. We'll generate the image AND the tweet copy together.
Add a character to start
Post Builder uses your saved character as the identity anchor for every generated image. Add one on the left to unlock — it takes seconds.
Selected model
none picked yet
Pick a saved model →
How many variations?
Engine: Nano Banana 2
150 credits × 1 + 5 caption = 155 total
The AI Model FactoryWant a fully trained custom model? Train one on The AI Model Factory, then use it here. →
Your output
Generate above to see results here.
1
Your draft
Paste your text or upload an image with overlay copy.
0 / 280
Drop an image to analyze
PNG, JPG, or WebP · or ·
or
No image yet · 0 KB
Findings come from a live analysis of your uploaded image.
Your post needs work · likely under-perform vs your last 30 days
2
Score
Pre-post draft quality — hook strength, reply potential, shareability, and slop. Not the same as the trends engagement score.
0
/100
3
What's holding it back
Fix the red ones first.
Authenticity check
—
Synthetic appearance
—
Hook quality
Rewrite ideas
4
Image findings
How your image performs across 4 key signals.
Sample image
preview
5
Five rewrites
Different voices, same idea. Pick one or steal a sentence from each.