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Best Free SEO & Social Media Tools

Ship content and campaigns faster. Generate meta tags and schema, preview your SERP snippet, check keyword density, build UTM links, count characters for every platform, generate hashtags and captions, and calculate engagement and creator earnings. Free, no sign-up, all in your browser. All 42 tools below are free, run in your browser, and need no sign-up.

Title Tag Length CheckerMeasure your SEO title in characters and pixels and see if Google will truncate it on desktop and mobile. Instant, private.Meta Description Length CheckerCount characters and pixel width and see if Google will truncate your description on desktop and mobile. Private.Keyword Density CheckerPaste your content to see word and phrase frequency, density percentages and total word count. Spot keyword stuffing fast.Reading Time CalculatorPaste text to estimate how long it takes to read, with word count, sentence count and separate speaking time for scripts.Canonical Tag GeneratorEnter your preferred page URL to create a valid rel canonical link tag and stop duplicate content from splitting your rankings.Hreflang Tag GeneratorMap languages and regions to URLs to build valid hreflang link tags with x-default for correct international SEO targeting.Noindex Meta Tag GeneratorBuild a robots meta tag with noindex, nofollow, noarchive and other directives to keep pages out of search results. Private.Twitter Card Meta Tag GeneratorEnter title, description, image and handles to build valid twitter card meta tags for rich link previews on X and Twitter.Organization Schema (JSON-LD) GeneratorBuild valid JSON-LD structured data with your name, logo, URL and social profiles to boost brand knowledge panels.FAQ Schema (JSON-LD) GeneratorAdd questions and answers to build valid FAQPage JSON-LD structured data that can earn rich results in Google search.Breadcrumb Schema (JSON-LD) GeneratorEnter your page path steps to build valid BreadcrumbList JSON-LD structured data for cleaner breadcrumb search results.Article Schema (JSON-LD) GeneratorEnter headline, author, dates and image to build valid Article JSON-LD structured data for richer news and blog results.Product Schema (JSON-LD) GeneratorEnter name, price, currency, availability and rating to build valid Product JSON-LD structured data for rich shopping results.Sitemap XML GeneratorPaste a list of URLs to build a valid XML sitemap with lastmod, changefreq and priority, ready to submit to search engines.Keyword Combiner & MixerCombine two or three lists of words into every keyword phrase permutation for PPC and SEO, with optional match type brackets.Anchor Text SuggesterEnter a keyword and target URL to get varied, natural anchor text ideas across exact, partial, branded and generic types.SEO Content Score CheckerPaste your article and target keyword to score word count, keyword usage, headings and readability against on-page best practices.YouTube Tag & Description BuilderTurn your video topic keywords into comma separated tags and a description with timestamps and hashtags for better discovery.CTR & Ad Metrics CalculatorEnter impressions, clicks, conversions and spend to compute click through rate, conversion rate, CPC, CPA and ROAS instantly.Page Weight Budget CalculatorAdd HTML, CSS, JS, image and font sizes to see total page weight and estimated load time across 3G, 4G and broadband speeds.Tweet Character CounterFree tweet character counter that respects X limits, counts each URL as 23 characters, and shows how many tweets long text needs.Twitter Thread SplitterSplit long text into a numbered X thread with each tweet kept under 280 characters. Breaks on word boundaries and adds 1/n numbering.Multi Platform Character CounterCount your text against every social media limit at once: X, Instagram, TikTok, LinkedIn, Facebook, YouTube, Threads and Bluesky.Hashtag CounterCount the hashtags in a caption and check against Instagram, TikTok and X limits. Lists each unique tag and flags duplicates instantly.Hashtag Set From KeywordsTurn keywords or a caption into a ready to paste hashtag set. Generates camel case and lowercase tags and dedupes them automatically.Reels Hashtag Set GeneratorBuild a balanced Instagram Reels hashtag set that mixes broad, medium and niche tags around your topic, sized to stay under the 30 tag cap.Instagram Caption GeneratorGenerate Instagram caption ideas from your topic with a hook, body, emoji and a call to action. Pick a tone and copy the caption instantly.Instagram Bio GeneratorCreate a punchy Instagram bio from your name, role and interests. Builds a stacked bio with emoji and a call to action under 150 characters.Twitter Bio GeneratorGenerate a tight X bio from your role, focus and vibe. Builds a bio under the 160 character limit with separators and an optional link cue.Instagram Line Break GeneratorAdd real line breaks and spacing to Instagram captions and bios that survive posting. Inserts invisible characters so gaps do not collapse.Engagement Rate CalculatorCalculate social media engagement rate from likes, comments, shares and saves. Get rate by followers and by reach with a quality benchmark.Follower to Following Ratio CalculatorWork out your followers to following ratio and see what it signals. Enter both counts to get the ratio, a percentage and a quick read.TikTok Money CalculatorEstimate TikTok earnings from views using a per thousand view rate. See low, average and high estimates for a video and a monthly total.YouTube Money CalculatorEstimate YouTube ad revenue from views and RPM. Enter monthly views and a realistic RPM to see daily, monthly and yearly income ranges.YouTube Title Length CheckerCheck YouTube title length so it does not get cut off. See character count against the 100 cap and the roughly 60 char display truncation point.YouTube Tag ExtractorExtract clean comma separated YouTube tags from a block of text or keywords. Dedupes, trims, and counts against the 500 character tag budget.YouTube Timestamp Link GeneratorTurn a YouTube URL and a time into a link that jumps to that moment. Also builds chapter timestamp lists for your video description.Discord Timestamp GeneratorGenerate Discord timestamp codes that show the right local time for everyone. Pick a date, time and style to get the <t:unix:style> code.Social Media Image Size ReferenceReference table of current image and video dimensions for Instagram, X, Facebook, TikTok, YouTube, LinkedIn and Pinterest. Search and copy sizes.Best Time to Post ReferenceReference of generally recommended best times to post on Instagram, X, Facebook, TikTok, LinkedIn and Pinterest, adjusted to your local timezone.Call to Action GeneratorGenerate call to action ideas for social posts by goal: get comments, saves, shares, follows, clicks or sign ups. Copy a fresh CTA in one click.Emoji Copy PickerBrowse a categorized emoji grid and click any emoji to copy it. Search by name, filter by category, and build a string of emoji for your posts.

Frequently asked questions

Are these tools free?

Yes. Every tool in this toolkit is completely free, with no sign-up and no usage limits.

Do these tools work on mobile?

Yes. They run in any modern web browser on phone, tablet or desktop, with nothing to install.

Is my data private?

Yes. These tools run entirely in your browser, so nothing you enter is uploaded to a server.

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