AI content and marketing tools: writing, SEO, voice, video and images

This hub covers the AI tools behind modern marketing and content work: writing assistants, SEO optimisers, voice and text-to-speech, avatar and video generators, image and design tools, and social media scheduling.

Our guides and comparisons are built from each product's official pages and pricing, with a clear note of what each tool is best for and where its limits are. We do not claim hands-on tests we did not run, and we label affiliate links.

If you are picking a tool, begin with the comparisons below. If you publish with AI, read our guides on doing it without falling foul of Google's spam policies.

Edited by Mohamed Aminar · 16 articles · Updated Oct 24, 2026

What this hub covers

  • Writesonic
  • Jasper
  • Surfer SEO
  • ElevenLabs
  • Synthesia
  • HeyGen
  • Midjourney
  • Canva
  • ChatGPT Images

Start here: comparisons and guides

Comparisons

The AI Tool Review Methodology We Will Use

AI Tool Herald's method for reviewing AI tools: dated tests, preserved evidence, privacy checks, visible scoring weights, and clear limitations.

Mohamed Aminar · 6 min read

Apr 10, 2026

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