Free tools

Tools that work.
Free or near-free.

52 content-marketing utilities — 44 public no-signup, 7 included with any Vyrable account, 1 pro-tier. Use the search and the category chips to narrow.

44 fully public7 free with account1 pro tier

AI Visibility Check

Public · no signup

Type your brand and a buyer-intent question — see whether AI assistants name you, where you rank, and which competitors show up beside you. Real LLM call. Public, 3 scans/day.

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AISEO

Free Content Audit

Public · no signup

Paste a content URL or your last few posts — get a brand-voice + AI-citability + engagement-quality scorecard back in 60 seconds. Public, no signup.

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AIWriting

Cross-Platform Character Counter

Public · no signup

Paste a draft — see whether it fits LinkedIn, X, Instagram, TikTok, Threads, Bluesky, and 23 other platforms at once. Soft and hard caps. Public, no signup.

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SocialWriting

Hashtag Helper

Public · no signup

Per-platform hashtag count check across 11 platforms (Instagram, LinkedIn, X, TikTok, Threads, and more), duplicate / ALLCAPS / low-value warnings, and candidate tags pulled from your own draft. Public, no signup.

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Social

AI Citability Scorer

Public · no signup

Score any draft on six dimensions for ChatGPT, Perplexity, Gemini, and Google AI Overviews citation. Public lite version, no signup.

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AISEOWriting

Brand Voice Match Tester

Free with account

Paste any draft, pick a persona — get a 0-100 voice match score in seconds. Use on guest posts, agency drafts, anything you didn't write yourself.

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AIWriting

Headline Hook Generator

Public · no signup

Five headline angles per topic — curiosity, outcome, contrarian, data, story. Each scored on six transparent hook-quality signals. Public lite version, no signup.

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WritingSocial

Topic Multiplier

Free with account

One topic, every format. Paste an idea — get a post, a thread, an article, a carousel script, a video script, all from the same source idea.

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WritingWorkflow

JSON-LD Schema Generator

Public · no signup

Build valid FAQPage, HowTo, and Article JSON-LD in three fields. Paste into your <head> and pass Google's Rich Results test. Public, no signup.

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SEO

OG / Twitter Card Preview

Public · no signup

Paste a URL — see exactly how it'll render as a social share card on X, LinkedIn, Facebook, and Slack. Catch broken images and missing metadata before you publish. Public, no signup.

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SEOSocial
New

Google SERP Preview

Public · no signup

Paste a title, meta description, and URL — see exactly how Google would render the snippet. Pixel-width truncation (not the usual character-count guess), breadcrumb URL, length tips. Public, no signup.

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SEO
New

robots.txt Tester (incl. AI crawlers)

Public · no signup

Paste a robots.txt + a URL — see what's allowed for Googlebot, Bingbot, GPTBot, ClaudeBot, Perplexity, Google-Extended, CCBot, and 5 more, with the exact rule that decided. Most existing testers ignore the AI crawlers; this one doesn't. Public, no signup.

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SEOAI
New

UTM Builder

Public · no signup

Compose Google Analytics utm_* parameters for any campaign URL. Live preview, smart-casing, copy-to-clipboard, six common presets (LinkedIn, email, Google Ads, affiliate, podcast, QR). Catches casing/spacing/medium mistakes that fragment your GA reports. Public, no signup.

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SEOEmail
New

URL Slug Generator

Public · no signup

Smarter than the basic slugifier built into your CMS — Unicode → ASCII transliteration (café → cafe), choice of separator, optional stop-word removal, smart length capping that doesn't break mid-word. Tells you what changed. Public, no signup.

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SEO
New

Profile Bio Optimiser

Public · no signup

Pick a platform (LinkedIn / X / IG / TikTok / YouTube / Threads / Bluesky / GitHub), paste your bio — get a per-platform length check, above-the-fold preview, value-prop scan, social-proof flag, CTA + link check, and identity-cue scoring. Pure client-side. Public, no signup.

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SocialWriting
New

CTA Button Text Scorer

Public · no signup

Paste your call-to-action button text — get a 0–100 score across length, word count, action verb, 'your' vs 'my' framing, value cue, generic-phrase detection (Submit / Click here / Read more / Learn more), and urgency. Suggests punchier variants. Pure client-side. Public, no signup.

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WritingEmail
New

Email Preheader Optimiser

Public · no signup

The preview text that renders next to your subject in the inbox. Scored on 7 axes: length, subject duplication, joint mobile cap, generic-opener detection, value cue, personal pronouns, and the canonical 'view this email in your browser' leak. Live mobile preview. Pairs with the subject-line scorer. Public, no signup.

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Email
New

Email Subject Line Scorer

Public · no signup

Six-dimension heuristic — length, spam triggers, all-caps, punctuation, emoji density, reader-focused phrasing — plus an inbox-style mobile preview that shows exactly what fits above the fold. Public, no signup.

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Email
New

Thread Splitter (X / Bluesky / Threads)

Public · no signup

Paste long-form content, pick a target platform (X 280, Bluesky 300, Threads / Mastodon 500), get a numbered thread that breaks at sentence + paragraph boundaries (never mid-word). Optional 1/N numbering and hook prefix. Public, no signup.

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SocialWriting
New

Alt-Text Quality Checker

Public · no signup

Bulk-check image alt texts on six dimensions: length, redundant 'image of' prefixes, file-extension leaks (hero-image-final.jpg), ALL CAPS, keyword stuffing, mid-sentence truncation. Empty rows are treated as decorative — that's a valid pattern, not a fail. Public, no signup.

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SEOWriting
New

AI Prompt Clarity Scorer

Public · no signup

Paste any LLM prompt — get an 8-dimension breakdown (length, role, task verb, output format, constraints, examples, specificity, single goal) with a 0–100 score. Pure heuristic, no LLM call, no data leaves your browser. Public, no signup.

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AIWriting
New

Markdown → LinkedIn Formatter

Public · no signup

Compose in markdown, paste cleanly to LinkedIn. Converts **bold** to Unicode mathematical bold (the trick that survives the paste), dashes to • bullets, strips code fences, exposes link URLs for auto-linking. Public, no signup.

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SocialWriting
New

Text Case Converter (10 modes)

Public · no signup

Paste any text, see all ten case styles at once — Title Case (AP small-word rules), Sentence case, ALL CAPS, lowercase, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case. Public, no signup.

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Writing
New

WCAG Contrast Checker

Public · no signup

Drop in any two colours (hex, rgb, hsl, or named) — get the WCAG 2.1 contrast ratio plus AA/AAA pass-fail for normal and large text, with a live preview swatch. Public, no signup.

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SEOWriting
New

robots.txt Generator (AI-aware)

Public · no signup

Build a robots.txt that handles AI crawlers properly — GPTBot, ClaudeBot, PerplexityBot, Google-Extended, CCBot, anthropic-ai, Bytespider — alongside the classic search bots. Four preset policies + per-bot toggles + sitemap + crawl-delay support. Pairs with the robots.txt tester. Public, no signup.

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SEOAI
New

sitemap.xml Generator

Public · no signup

Paste a list of URLs, get a sitemaps.org-compliant XML back. lastmod / changefreq / priority defaults applied automatically, http(s) validation, XML-escaping, hard cap at 50,000 URLs per spec. Pairs with the robots.txt generator. Public, no signup.

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SEO
New

URL Canonicaliser

Public · no signup

Paste a list of URLs — see how each normalises (lowercased host, stripped default ports, removed utm_*/fbclid/gclid/etc, sorted query, optional www. and trailing-slash policy) — and which inputs collapse to the same canonical resource. Spots duplicate-content twins in seconds. Pure client-side, no signup.

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SEO
New

Content Idea Bank

Public · no signup

Paste a topic + optional audience / competitor / credential / metric, get 30 paste-ready content ideas across 6 proven angles (how-to, listicle, comparison, story, contrarian, deep-dive). Each idea includes suggested formats + word count. Pure heuristic, no LLM. Public, no signup.

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WritingWorkflow
New

Brand Voice Consistency Scorer

Public · no signup

Paste a baseline piece + a candidate piece (ghostwriter draft, AI-generated, anything you're checking) — get a 0-100 consistency score across 7 stylistic axes (formality, sentence length, rhythm, vocabulary, pronouns, hedging, jargon). Catches drift before it ships. Pure client-side. Public, no signup.

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WritingAI
New

LinkedIn Hook Generator

Public · no signup

Paste a topic + optional outcome / audience / metric / credential, get 9 hook-line variants across proven frameworks (curiosity-gap, number-led, contrarian, story-led, question, outcome-led, pattern-interrupt, authority, confession). Above-fold mobile cap (90 chars) flagged. Pure heuristic, no LLM. Public, no signup.

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SocialWriting
New

Cold Outbound Follow-Up Sequencer

Public · no signup

Completes the cold-outbound trilogy with the ICP scorer + outbound template generator. Drops the standard 4-stage 'no reply' cadence: +3d soft-bump → +7d different-angle → +14d value-drop → +30d permission-to-close. Paste-ready across email, LinkedIn DM, Twitter DM. Public, no signup.

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EmailSocialWorkflow
New

ICP Fit Scorer

Public · no signup

Define your ideal customer profile (target roles, seniority, industry, company size, signal keywords), paste a list of prospects, get each scored 0-100 across 5 dimensions + categorised as ideal / strong / weak / poor. Pair with the cold-outbound generator to draft messages for the top of the list. Public, no signup.

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WorkflowEmail
New

Cold Outbound Template Generator

Public · no signup

Fill in your context + a prospect, get 15 paste-ready messages across email, LinkedIn DM, and Twitter DM using 5 outreach frameworks (value-first, curiosity, question, warm-intro, competitor-mention). Per-channel char caps flagged. Pure client-side. Public, no signup.

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EmailSocialWorkflow
New

Carousel Splitter (LinkedIn / IG / TikTok)

Public · no signup

Paste long content, get slide-by-slide breakdown ready for Canva or Figma. LinkedIn (up to 20 slides), Instagram (10), TikTok (35). Auto-generated titles, hook on slide 1, CTA on the last, never-mid-word breaks, per-platform body-cap warnings. Public, no signup.

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SocialWriting
New

Engagement Rate Calculator

Public · no signup

Pick a platform (LinkedIn, X, Instagram, TikTok, YouTube, Facebook, Threads, Bluesky, Pinterest), enter your interactions plus impressions and/or followers — get both rates (agency-style by impressions + creator-style by followers) graded against per-platform medians. Public, no signup.

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Social
New

Redirect Chain Analyser

Public · no signup

Paste your redirect rules (whitespace, CSV, or Netlify _redirects style) — resolve every chain, flag infinite loops, deep chains (Google stops at 5 hops), self-redirects, and duplicate sources where the second rule silently overrides the first. Public, no signup.

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SEO
New

JSON-LD Schema Validator

Public · no signup

Paste schema.org structured data — get required-property checks for Article, FAQPage, HowTo, Product, Recipe, Event, Organization, Person, BreadcrumbList, Review, VideoObject, LocalBusiness, WebPage, WebSite, AggregateRating. Pairs with the JSON-LD generator. Public, no signup.

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SEO
New

Email Engagement Benchmarks

Public · no signup

Are your open rates actually bad? Pick your industry (B2B SaaS, creators, e-commerce, agencies, education, and 7 more), enter your open + click rates, see how you compare against published medians + which Vyrable tool fixes the bottleneck (subject line, preheader, CTA). Public, no signup.

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Email
New

A/B Test Sample Size Calculator

Public · no signup

How many users per variant do you need before you can call a winner? Two-proportion z-test math: baseline rate, minimum detectable lift, confidence, power, optional daily traffic → days-until-results estimate. Pure client-side stats. Public, no signup.

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EmailSocial
New

Heading Hierarchy Validator

Public · no signup

Paste HTML (or markdown # headings) — get an H1..H6 outline plus SEO + a11y flags: missing H1, multiple H1s, skipped levels (H1 -> H3), empty headings, deep H5+ nesting. The same checks Google's SEO docs + screen readers care about. Pure client-side. Public, no signup.

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SEOWriting
New

sitemap.xml Analyser

Public · no signup

Paste an existing sitemap.xml — get a stats panel + audit. Surfaces duplicate URLs, non-http loc, mixed http/https, priority outside 0–1, stale or missing lastmod, invalid changefreq, URLs over 2048 chars, 50k-cap overflow. Pure client-side parse. Public, no signup.

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SEO
New

Word + Keyword Density Analyser

Public · no signup

Paste any text — get top single words, 2-word + 3-word phrases with frequency + density %, plus total/unique/avg-length stats. Stopword filter toggle so the signal isn't drowned by 'the / and / of'. Public, no signup.

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SEOWriting

Reading Time Calculator

Public · no signup

Silent reading + speaking time on any paste. Adjustable WPM. Defaults to the canonical 265-wpm silent-reading speed. Public, no signup.

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Writing

Readability Checker

Public · no signup

Flesch reading ease, Flesch–Kincaid grade level, long-sentence flags, passive voice, adverb density. Pure client-side, no signup.

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Writing

Best Time to Post

Public · no signup

Engagement-peak windows for 10 platforms (LinkedIn, Instagram, X, TikTok, YouTube, Facebook, Pinterest, Threads, Bluesky, Reddit). 7×24 coverage heatmap. Public, no signup.

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Social

Trending Topic Surface

Free with account

Live aggregator pulling fresh angles from across the open web — Hacker News, top subreddits, Product Hunt — filtered to your niche.

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Workflow

Voice-Preserving Translation

Free with account

Translate any piece into 15 languages while preserving voice, register, and structural patterns. Not Google Translate output.

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WritingWorkflow

AI Cover Image Generator

Free with account

Generate four cover variants per piece in parallel — photorealistic, abstract, minimalist, bold. Pick the winner with one click.

Start free
AIWorkflow

Auto-Recycle Queue

Free with account

Toggle on any published piece to auto-republish every 30, 60, or 90 days with a surgical refresh. Get 2-3x the reach from your evergreen wins.

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Workflow

Annual Content Plan Generator

Free with account

Auto-generates a 52-week content plan based on your persona's expertise areas and content pillars. Every week has a theme; every month has a focus.

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Workflow

Content Marketing Glossary

Public · no signup

Plain-English definitions for GEO, AEO, AISO, LLMO, voice profile, persona-routed publishing, and 20+ other modern content-marketing terms.

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AISEOWorkflow

IndexNow Push

Pro tier

Push fresh URLs to Bing, Yandex, and Seznam for instant crawling. Built into the publish pipeline; manual API at /api/indexnow with token gate.

See pricing
SEOWorkflow

Looking for the full platform?

The tools above are the visible utilities. The platform underneath is a full content operation — multi-persona publishing across 27 platforms, autonomous research loops, recurring campaign engines, Mission Control kanban, and a quality-scoring editorial brain.