Marketing Resources

The tools and prompts that actually work

Free marketing tools, curated resources, and Claude AI skills — each one with honest notes on what it's for and when to use it.

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Resources

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Image tools Free

PNG to WebP Converter

Convert PNG and JPG images to WebP format instantly — no upload, runs in your browser.
Budget & Finance Free

The Reach Ratio

Estimate audience reach ratios across marketing channels — useful for pre-campaign budget allocation and understanding channel overlap.

Claude Skills

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SEO Claude skill

Bulk Alt Text Generator

Give Claude a list of image filenames and it writes SEO-friendly alt text for all of them in one shot.