Free Tools
50 free SEO & content tools.
No signup required.
Single-purpose tools for keyword research, SERP analysis, on-page SEO, and writing — each one does one job well, free forever. Built by the team behind SirWritesALot.
Writing & Content(16)
Headline AnalyzerScore your headline for length, power words, emotion, and SERP fit — instantly and free.Use free →Blog Title GeneratorTurn any keyword into 10 click-worthy, SEO-friendly blog titles in seconds.Use free →Meta Description GeneratorGenerate five compelling, length-checked meta descriptions plus a matching title tag.Use free →SERP Snippet Preview ToolSee exactly how your title and meta description will look in Google — before you publish.Use free →Blog Outline GeneratorGet a complete, search-intent-ordered blog post outline from a single keyword.Use free →Blog Introduction GeneratorBeat the blank page — generate a hook-first blog intro for any keyword.Use free →Blog Conclusion GeneratorTurn a summary of your article into a strong, action-driving conclusion.Use free →Paragraph RewriterRewrite any paragraph in a cleaner, sharper tone — without changing its meaning.Use free →Sentence ExpanderTurn thin sentences into detailed, specific passages — roughly double the length.Use free →Sentence ShortenerCut any passage to half its length without losing a single key point.Use free →Passive to Active Voice ConverterFind every passive sentence in your text and convert it to active voice.Use free →Readability CheckerGet your Flesch score, grade level, and your hardest sentences — highlighted instantly.Use free →AI Content DetectorEstimate how likely a text is AI-generated, with the specific signals explained.Use free →AI Text HumanizerRewrite robotic AI output so it reads like a skilled human wrote it.Use free →FAQ GeneratorGenerate the six questions searchers actually ask — with snippet-ready answers.Use free →Tone of Voice AnalyzerGet a precise breakdown of any text's tone, formality, rhythm, and personality.Use free →
Keyword Research(9)
Keyword Difficulty CheckerCheck any keyword's difficulty, search volume, CPC, and intent — free.Use free →Keyword GeneratorTurn one seed keyword into 30 real search suggestions with volume data.Use free →Long-Tail Keyword GeneratorFind 4+ word keyword phrases that are easier to rank and closer to conversion.Use free →Question Keyword FinderDiscover the who/what/why/how questions people actually search about your topic.Use free →Bulk Keyword Volume CheckerCheck search volume, difficulty, CPC, and intent for up to 10 keywords at once.Use free →Keyword Trend CheckerSee 12 months of search volume for any keyword and catch seasonality before you publish.Use free →Keyword Golden Ratio CheckerCalculate KGR scores to find keywords you can rank for in days, not months.Use free →Keyword Clustering ToolPaste a keyword list and get it grouped into article-ready topical clusters.Use free →Search Intent CheckerClassify keywords as informational, commercial, transactional, or navigational — with the right content type for each.Use free →
SERP & Competitors(9)
SERP CheckerSee the top 10 Google results for any keyword — titles, URLs, and snippets in one clean table.Use free →SERP Word Count CheckerHow long should your article be? Get the real word counts of the pages ranking for your keyword.Use free →SERP Title AnalyzerDecode the title patterns of the top 10 — lengths, formats, and recurring words — before writing yours.Use free →People Also Ask FinderExtract the People Also Ask questions and related searches for any keyword.Use free →Featured Snippet CheckerCheck whether a keyword has a featured snippet, who owns it, and how to win it.Use free →Keyword Rank CheckerFind out exactly where your domain ranks in the top 100 for any keyword.Use free →Keyword Cannibalization CheckerFind out if multiple pages on your site are competing for the same keyword.Use free →Content Gap FinderSee the keywords a competitor ranks for that you don't — sorted by search volume.Use free →Domain Keyword CheckerSee the top keywords any domain ranks for, with positions and search volumes.Use free →
On-Page & Technical SEO(9)
On-Page SEO CheckerGrade any page against its target keyword with a 14-point on-page audit.Use free →Heading Structure CheckerVisualize any page's H1–H6 hierarchy and catch structural issues instantly.Use free →Image Alt Text CheckerFind every image missing alt text on a page — with AI-suggested alt text to fix them.Use free →Internal Link FinderFind the pages on your site that should link to your new article — in seconds.Use free →Duplicate Title & Meta CheckerScan your site for pages sharing the same title tag or meta description.Use free →Sitemap URL ExtractorPull every URL out of any site's XML sitemap — clean, deduplicated, ready to export.Use free →Robots.txt TesterTest whether any crawler can access any path on your site — and read the rules that decide it.Use free →Meta Tag CheckerExtract and grade every meta tag on a page — title, description, canonical, Open Graph, and Twitter cards.Use free →Brand Voice AnalyzerTurn any page of your website into a written brand voice profile you can hand to any writer.Use free →
Generators & Calculators(7)
Schema Markup GeneratorGenerate valid Article, FAQ, or How-To JSON-LD structured data from a simple form.Use free →Schema Markup ValidatorPaste JSON-LD and get errors explained in plain English — instantly, in your browser.Use free →SEO ROI CalculatorTurn traffic estimates into revenue projections — and make the business case for content.Use free →Traffic Potential CalculatorEstimate monthly clicks from any keyword based on search volume and ranking position.Use free →Word CounterCount words, characters, sentences, and keyword density — live, private, unlimited.Use free →Reading Time CalculatorCalculate how long your article takes to read — with an embeddable 'X min read' label.Use free →UTM BuilderBuild clean, consistent UTM tracking links — with live preview and one-click copy.Use free →
Like the free tools? The full platform does it all in one place.
Competitor analysis, live SEO scoring, AI writing in your brand voice, and keyword clustering — together.
Try SirWritesALot free →