Free tools
29 Free SEO & Content Tools
AI-powered generators for captions, meta tags, and content plans — plus instant, client-side technical checks. Every tool is free, requires no sign-up, and runs in seconds.
Caption Generators
Generate engaging captions for your social posts with AI
Instagram Caption Generator
Generate engaging, scroll-stopping captions for your Instagram posts, Reels, and Stories in seconds.
Open tool →Facebook Caption Generator
Generate engaging captions for your Facebook posts, pages, and groups that drive shares and comments.
Open tool →AI Tweet Generator
Generate viral tweets for X (Twitter) within the 280-character limit.
Open tool →TikTok Caption Generator
Generate viral, FYP-ready captions for your TikTok videos with trending hooks.
Open tool →LinkedIn Post Generator
Generate professional posts for LinkedIn thought leadership and business networking.
Open tool →YouTube Description Generator
Generate SEO-optimized video descriptions that rank higher and get more views.
Open tool →YouTube Title Generator
Generate click-worthy YouTube titles that rank in search and get more clicks.
Open tool →Pinterest Pin Description Generator
Generate keyword-rich Pinterest pin descriptions that drive traffic and boost your pins’ discoverability.
Open tool →SEO Text Generators
Generate SEO-optimized meta descriptions, title tags, and more with AI
Meta Description Generator
Generate SEO-optimized meta descriptions that boost click-through rates in Google search results.
Open tool →Title Tag Generator
Generate click-worthy SEO title tags that rank higher and get more clicks in search results.
Open tool →Blog Post Title Generator
Generate SEO-optimized, click-worthy blog post titles that rank in Google and get more readers.
Open tool →FAQ Generator
Generate SEO-rich FAQs for your page or blog post that can earn Google featured snippets.
Open tool →Alt Text Generator for Images
Generate descriptive, SEO-friendly alt text for your images to improve accessibility and search rankings.
Open tool →Call-to-Action Generator
Generate compelling calls-to-action for buttons, landing pages, emails, and ads that drive conversions.
Open tool →SEO Utilities
Technical SEO tools to analyze, generate, and optimize your website
AI Robots.txt Checker
Check whether GPTBot, ClaudeBot, PerplexityBot, and other AI crawlers can access your website.
Open tool →Meta Description Length Checker
Validate if your meta descriptions are in an index-friendly length range and improve click-through potential.
Open tool →SEO Headline Grader
Score your headline for length, clarity, and keyword placement before publishing.
Open tool →SEO Slug Generator
Convert article titles into clean, lowercase, hyphenated URL slugs with stop-word cleanup.
Open tool →Keyword Priority Score Calculator
Prioritize keywords by combining search volume, ranking position, and conversion potential into one score.
Open tool →UTM Link Builder
Create tracking URLs with UTM parameters for your marketing campaigns in seconds.
Open tool →SERP Preview Tool
Preview how your page will look in Google search results. Optimize your title and description for clicks.
Open tool →Robots.txt Generator
Generate a robots.txt file for your website to control search engine and AI crawler access.
Open tool →Open Graph Tag Generator
Generate Open Graph (OG) meta tags for beautiful social media previews when your links are shared.
Open tool →Schema Markup Generator
Generate structured data (JSON-LD) schema markup to help search engines understand your content.
Open tool →Keyword Density Checker
Analyze keyword density in your content. Paste text and get instant frequency analysis.
Open tool →Content Planning
Plan and structure your content with AI-powered outlines and briefs
Content Utilities
Useful tools for content creators and marketers
Want this running automatically on your own content?
PrismSEO turns Search Console data into a full content pipeline — keyword research, briefs, drafts, and publishing, without the copy-paste.