Viral Post Generator

Turn your idea into 5 scroll-stopping social media post options with unique AI-generated images and captions.

Nano Banana Generations: 0

Enter your post topic or idea:

Starting the creative process...

Your Post Options

Hover over an image for options. Click to select and view its caption.

Selected post preview

Engaging Caption

Select an image above to see the caption.

Generating new caption...

Branding & Watermark

Add a text watermark or logo. Use the 'Edit' button on the preview to position it.

Watermark Text

Watermark Color

OR Upload Logo

Upload Logo

Size

Opacity

Settings

Image Prompt System Instruction

What this does: This instruction guides the AI (Gemini 2.5 Pro) to generate 5 distinct image prompts and text overlays for our image model (Nano Banana).

How to prompt: Clearly define the AI's persona (e.g., "You are an expert viral marketer"). Specify the exact JSON output format you need (an array of 5 objects). Provide a clear example of a good result. The more detailed your instruction, the better the result.

Caption System Instruction

What this does: This instruction tells the AI how to write a compelling Instagram caption based on the post content it just created.

How to prompt: Define the persona (e.g., "You are an expert Instagram Caption Agent"). List the key qualities of a good caption (e.g., Strong Hook, Call-to-Action). Set rules for the output, such as word count and including hashtags.

Gemini 2.5 Pro Temperature

0.9

Controls randomness. Lower values are more deterministic, higher values are more creative.

Post Content Details

Header Text

Subheader Text

Image Generation Prompt

Edit Branding Placement

Click and drag your logo or watermark to the desired position.

Branding preview