Decision guide · Reviewed Sep 23, 2026 · AI Assistants, AI Browser Extensions

Keywords Everywhere

77.5
vs

Sider

70.2

Choose Keywords Everywhere when you need marketers, creators, and online merchants looking for immediate keyword search volume, CPC metrics, and SERP insights right inside their browser and LLM prompts. Choose Sider when you need summarizing articles, cross-site research, interacting with PDFs, and accessing multiple AI models from a persistent browser sidebar.

At a glance

The practical differences

Decision factorKeywords EverywhereSider
Best formarketers, creators, and online merchants looking for immediate keyword search volume, CPC metrics, and SERP insights right inside their browser and LLM promptssummarizing articles, cross-site research, interacting with PDFs, and accessing multiple AI models from a persistent browser sidebar
Not ideal forteams needing native Safari or mobile support, or enterprise marketers seeking automated technical site audit crawlersteams demanding air-gapped security, enterprise-managed LLM gateways, or developers looking purely for native code repository agents
PricingAt the review date (2026-09-08), basic browser features, link metrics, and AI prompts are free with no credit card required. Search volume, CPC, competition data, and historical trends require purchasing annual credit plans; specific pricing tiers are not detailed on the reviewed homepage and should be confirmed on the official pricing page.At the review date, the vendor offers free access alongside paid upgrades and an education plan, but specific plan tiers, credit limits, and subscription prices are not disclosed on the homepage. Verify current rates on the official pricing page.
Key differenceUnlike standalone SEO suites that require separate web apps, it overlays search volume, competitor metrics, and AI prompts directly inside Google, YouTube, Amazon, and AI chat interfaces, complete with an MCP server connection for coding editors.Unlike standalone chatbot interfaces or simple text rewriters, Sider couples multi-model access (GPT, Claude, Gemini) with an active browser agent (Sider Claw) that navigates multi-site workflows using your active sessions, alongside page-level styling customization (Sider Code).
Overall rank#142#608
Review verdictKeywords Everywhere suits SEO consultants, content creators, and e-commerce sellers who want ambient keyword volume and competitive data without opening a dedicated SEO dashboard. It is less suitable for users looking for automated site-wide crawls or those who conduct research exclusively in Safari or on mobile devices.Sider suits knowledge workers, students, and power web users who want continuous AI assistance, PDF querying, and automated browser tasks without switching tabs. It is less suited for organizations requiring self-hosted infrastructure, strict local-only data privacy, or unified team-wide enterprise governance.

Keywords Everywhere score factors

Editorial quality82
Practical utility86
Trust & transparency85
Freshness85
Engagement quality8
Momentum75

Sider score factors

Editorial quality75
Practical utility82
Trust & transparency78
Freshness88
Engagement quality9
Momentum20

Keywords Everywhere strengths

  • Seamless in-browser workflow across Google, YouTube, Amazon, and social media platforms
  • MCP server support allows integration with developer and AI tools like Cursor and VS Code
  • Generous free tier including prompt libraries, traffic estimates, and Moz link metrics
  • Transparent privacy model where keyword inputs are not stored beyond fetching metrics
Read full Keywords Everywhere review

Sider strengths

  • Integrates leading AI models (GPT, Claude, Gemini) directly into the browser workflow.
  • Browser agent can execute autonomous tasks across multiple websites using existing user sessions.
  • Comprehensive cross-device availability spanning Chrome, Edge, desktop, and mobile.
Read full Sider review

Frequently asked

Keywords Everywhere vs Sider

Should I choose Keywords Everywhere or Sider?+

Choose Keywords Everywhere when you need marketers, creators, and online merchants looking for immediate keyword search volume, CPC metrics, and SERP insights right inside their browser and LLM prompts. Choose Sider when you need summarizing articles, cross-site research, interacting with PDFs, and accessing multiple AI models from a persistent browser sidebar. ToolsRank scores Keywords Everywhere 77.5 and Sider 70.2; the gap reflects editorial quality, utility, trust, and freshness, not popularity or payment.

Is Keywords Everywhere cheaper than Sider?+

Keywords Everywhere: At the review date (2026-09-08), basic browser features, link metrics, and AI prompts are free with no credit card required. Search volume, CPC, competition data, and historical trends require purchasing annual credit plans; specific pricing tiers are not detailed on the reviewed homepage and should be confirmed on the official pricing page. Sider: At the review date, the vendor offers free access alongside paid upgrades and an education plan, but specific plan tiers, credit limits, and subscription prices are not disclosed on the homepage. Verify current rates on the official pricing page. Compare the plan you would actually use and verify current prices on each vendor's pricing page before purchasing.

Which is better for ai assistants?+

Keywords Everywhere currently scores higher for ai assistants work. Sider remains the stronger pick when your priority is summarizing articles, cross-site research, interacting with PDFs, and accessing multiple AI models from a persistent browser sidebar. Avoid Keywords Everywhere if you are teams needing native Safari or mobile support, or enterprise marketers seeking automated technical site audit crawlers.

Can I use Keywords Everywhere and Sider together?+

Yes. Keywords Everywhere stands out for unlike standalone SEO suites that require separate web apps, it overlays search volume, competitor metrics, and AI prompts directly inside Google, YouTube, Amazon, and AI chat interfaces, complete with an MCP server connection for coding editors. Sider stands out for unlike standalone chatbot interfaces or simple text rewriters, Sider couples multi-model access (GPT, Claude, Gemini) with an active browser agent (Sider Claw) that navigates multi-site workflows using your active sessions, alongside page-level styling customization (Sider Code). Pairing them makes sense when one workflow needs both strengths; otherwise pick the tool that matches your primary job.