Keyword Research Tools
Classify search intent, predict SERP features, estimate competition, and plan content strategy — all free, all running in your browser.
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Character CounterCount characters, words, and sentences in real time. Track platform limits for Twitter, LinkedIn, Instagram, and more.
🔗URL Slug GeneratorConvert any title into a clean, SEO-friendly URL slug. 8-step algorithm with stop-word removal and SEO quality scoring.
🔠Case ConverterConvert text to all 9 cases at once — Title Case, camelCase, snake_case, kebab-case, UPPER, lower, and more.
🧹Whitespace CleanerRemove extra spaces, blank lines, and invisible characters from any text. Paste it in and it’s done.
⏱️Reading Time EstimatorEstimate reading time at three speeds — slow, average, and fast. Plus speaking time, reading level, and publish-ready labels.
🔄Text ReverserReverse text four ways at once — characters, word order, each word, and mirror text. Unicode-safe and instant.
🗑️Duplicate Line RemoverRemove duplicate lines from any list in one click. Case-sensitive matching, whitespace trimming, and A–Z sorting.
📊Word Frequency CounterSee which words you use most. Sortable frequency table, keyword density %, stop word filter, and CSV export.
🔍Passive Voice DetectorFind and fix passive voice. Highlights passive sentences, shows percentage score, and suggests active rewrites.
🎯Cliche DetectorFind overused phrases in your writing. 200-cliche library with severity ratings and fresher alternatives.
🔀Transition Word CheckerCheck your transition word percentage vs the 25-35% Yoast target. 8-category breakdown with colour-coded highlights.
📏Sentence Length AnalyserVisualise sentence length as a bar chart. One bar per sentence — flag outliers and improve your writing rhythm.
📐Paragraph Length CheckerCheck if your paragraphs are too long for web readers. Flags 5+ sentence paragraphs with splitting tips.
✂️Filler Word RemoverFind and remove filler words like “just”, “really”, “basically”. Side-by-side before/after view with one-click clean copy.
⚖️Text Similarity CheckerCompare two texts for similarity using cosine analysis. See matching passages highlighted side by side with a percentage score.
📖Flesch-Kincaid CalculatorGet your Flesch Reading Ease and Grade Level scores instantly. Live update as you type with plain-English interpretation.
🎵Syllable CounterCount syllables in any text instantly. See per-word syllable counts on hover, line-by-line breakdown for poets, and haiku detection.
🛠️Text FormatterFix smart quotes, em dashes, ellipsis, double spaces, and sentence capitalisation in one click. Eight formatting options, all togglable.
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Instagram Bio OptimizerPreview your Instagram bio as it appears on mobile. Score it for keywords, CTAs, emoji use, and structure.
💬Instagram Caption FormatterPreview your Instagram caption with line breaks preserved. Score your hook, analyse hashtags, and copy with formatting intact.
#️⃣Instagram Hashtag CheckerCheck your hashtags for banned tags, count, density, and category relevance. 500+ banned hashtag database.
🎨Instagram Grid Preview PlannerPreview your next 9 posts as an Instagram grid. Drag to rearrange. Colour harmony score and visual flow analysis.
📱Instagram Story Safe Zone CheckerSee where to place text and stickers on Stories without them being hidden. Download a safe zone template.
📈Instagram Engagement Rate CalculatorCalculate your engagement rate and compare it to industry benchmarks by follower tier. Standard and extended formulas.
🎬Instagram Reel Hook ScorerScore your Reel hook across 5 scroll-stopping factors with targeted rewrite suggestions. Works for Reels, TikToks, and Shorts.
🎵TikTok Caption & Hashtag FormatterPreview your TikTok caption in a live phone mockup. 150-character budget tracker, hook scorer, and hashtag guidance.
🪝TikTok Hook ScorerScore your TikTok hook across 6 viral factors including controversy potential. Niche benchmarks and rewrite suggestions.
✨TikTok Bio OptimizerScore your TikTok bio across 4 factors: keywords, CTA, emoji use, and link signals. Live profile preview with niche-specific examples.
⏰TikTok Best Posting Time GuideFind the best times to post on TikTok for your niche. 12 niches, 10 timezones, visual weekly calendar with confidence tiers.
📊TikTok Engagement Rate CalculatorCalculate your TikTok engagement rate and compare to tier-specific benchmarks. Includes shares in extended formula.
▶️YouTube Title CTR ScorerScore your YouTube title across 6 CTR factors with a live desktop & mobile search result preview. Truncation warnings included.
📝YouTube Description FormatterPreview the “Show more” fold at character 157, validate chapter timestamps, and check for CTAs, links, and hashtags.
🏷️YouTube Tag GeneratorGenerate exact match, broad, and long-tail YouTube tags from any topic. 500-char budget tracker and first-tag-rule checker.
🖼️YouTube Thumbnail Text CheckerCheck your YouTube thumbnail text for readability at every display size. Score text density, contrast, text size, and aspect ratio.
📑YouTube Chapter FormatterFormat your YouTube chapter timestamps correctly. Validates all 5 YouTube chapter requirements before you publish.
✅YouTube SEO ChecklistRun your YouTube video through a 15-point SEO checklist. Scored with specific fixes for every failing item.
🎯YouTube vs Shorts StrategyAnswer 7 questions and get a personalised YouTube strategy: long-form, Shorts, or both. Weekly posting plan included.
🐦Twitter/X Bio OptimizerScore your Twitter/X bio across 6 factors: character efficiency, topic signal, reason to follow, opener quality, emoji use, and website link.
📝Twitter/X Caption FormatterFormat tweets and threads for Twitter/X. Live character counter, automatic thread splitting, hashtag check, and hook score.
📈Twitter/X Engagement CalculatorCalculate your Twitter/X engagement rate — both follower-based and impression-based. See how you compare by account size.
🪝Twitter/X Thread Hook ScorerScore your Twitter/X thread hook across 6 factors with rewrite suggestions and a hook pattern library. Free.
⏰Twitter/X Best Posting Time GuideFind the best times to post on Twitter/X for your niche. 10 niches, 10 timezones, visual weekly calendar with confidence tiers.
🔗LinkedIn Connection Request FormatterScore your LinkedIn connection request across 5 factors. Live preview, acceptance rate estimate, alternative messages, and templates.
📈LinkedIn Engagement Rate CalculatorCalculate four LinkedIn engagement rate formulas: follower-based, impression-based, reactions-only, and CTR. Plus comment ratio and profile view rate.
📝LinkedIn About Section OptimizerScore your LinkedIn About section across 8 factors: character usage, above-fold hook, first-person voice, achievements, keywords, CTA, formatting, and buzzwords. Live profile preview with fold simulation.
🎯LinkedIn Headline OptimizerScore your LinkedIn headline across 7 factors with three live preview mockups (profile, search results, comments). Formula suggestions and a 6-formula library included.
📣LinkedIn Post FormatterScore your LinkedIn post across 5 factors: hook strength, post length, CTA presence, hashtag usage, and external links. Live fold preview and structure analyser included.
📌Pinterest Pin Title OptimizerScore your Pinterest pin title across 6 SEO factors with two live preview mockups (search result and pin detail). Alternative title suggestions and a formula library included.
📝Pinterest Pin Description FormatterScore your Pinterest pin description across 7 SEO factors with a live fold preview. Keyword analysis, above-fold quality detection, and rewrite suggestions included.
📋Pinterest Board Name OptimizerScore your Pinterest board name across 5 SEO factors with three live preview mockups. Alternative name suggestions and a name generator included.
⏰Pinterest Best Pinning Time GuideFind the best times to pin on Pinterest for your niche. 10 niches, 10 timezones, visual weekly calendar with colour-coded peak, good, and moderate slots.
📈Pinterest Engagement Rate CalculatorCalculate your Pinterest engagement rate with save rate as the primary metric. Includes CTR, impression-based ER, engagement quality matrix, and niche benchmarks.
📝Reddit Post Title OptimizerScore your Reddit post title across 5 engagement factors. Live Reddit feed preview, post type detection, rewrite suggestions, and Reddit norms check.
📊Reddit Karma & Engagement CalculatorCalculate your Reddit engagement rate for individual posts or entire accounts. Upvote ratio, comment-to-upvote ratio, hot score velocity, and account health.
⏰Reddit Best Posting Time GuideFind the best times to post on Reddit for your subreddit category. 10 categories, 10 timezones, visual weekly calendar with peak, good, and moderate slots.
📋Reddit Comment & Post FormatterFormat Reddit comments and posts with a live preview editor. Toolbar for bold, italic, links, code, tables, spoilers, and superscript. New and Old Reddit preview modes.
✍️Quora Answer Formatter & ScorerScore your Quora answer across 6 engagement factors. Live Quora feed preview, markdown formatting, opening line analysis, and improvement suggestions.
👤Quora Profile Bio OptimizerScore your Quora credential line and profile description separately. Live answer and profile preview with dual scoring and targeted fix suggestions.
📊Quora Engagement Rate CalculatorCalculate your Quora engagement rate for individual answers or entire profiles. Upvote rate, comment rate, follower conversion, and benchmarks.
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SERP Preview ToolSee exactly how your title and meta description appear in Google — in real time, as you type.
📝Readability + SEO ScorerFlesch score, sentence-level highlighting, keyword density, and 6 on-page SEO checks. Instant.
🔗Internal Linking FinderFind internal linking gaps. Get anchor text suggestions and exact sentence placements — instantly.
🏷️Meta Tag Bulk AnalyzerScore hundreds of title tags and meta descriptions by pixel width in seconds — with duplicate detection and priority fixes.
🤖Robots.txt AnalyzerValidate every directive, catch Googlebot blocks, missing sitemaps, and crawl-delay issues instantly.
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People Also Ask OptimizerScore and fix your PAA answers. Live Google-style preview, 5-factor scoring, and optimised rewrite.
🏆Featured Snippet OptimizerScore and optimise your content for Google Position Zero — live preview, 5-factor score, instant rewrite.
💬AI Answer Box PreviewSee how your content appears in ChatGPT, Perplexity, and Google AI Overviews. Score and fix it.
✅AI Answer Confidence CheckerDetect vague qualifiers, hedging language, and weak claims that stop AI systems from citing your content.
📐AI Heading Structure CheckerDetect skipped H-tags, missing H1s, and vague section headings that confuse AI citation engines.
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GEO Content Readiness ScorerScore your content across 10 AI citation factors for ChatGPT, Perplexity, and Gemini.
📋Schema Markup GeneratorGenerate perfect JSON-LD for 8 schema types with plain-English explanations of why each field matters.
🧠Entity Authority MapperExtract all entities from your content, score topical authority across 6 GEO factors, and close AI citation gaps.
🔗Source Credibility CheckerScore content credibility for AI citations. Extract outbound links, authority domains, stats, and expert quotes.
💡AI Prompt MatcherVerify how well your content answers conversational, long-tail AI prompts. Check intent match, density, and tone.