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Free marketing tools. No sign-up.

Careful, free tools and calculators for the jobs marketers do every week. What you type stays in your browser, and there's nothing to sign up for.

019 tools

Social content

Format posts, make carousels and share images, preview thumbnails and video frames, and measure engagement.

  • LinkedIn post formatter

    Add bold and italic text, count characters, and preview the "โ€ฆsee more" cut.

    • Runs in your browser

  • LinkedIn carousel maker

    Write your slides, pick a template and colors, and download a PDF for LinkedIn.

    • Runs in your browser

  • Social media character counter

    Check one draft against every platform's limit, counted the way each platform counts.

    • Runs in your browser

  • Engagement rate calculator

    Engagement rate for one post or many, by followers, reach, or impressions.

    • Runs in your browser

  • Social media image resizer

    Crop one image to the exact size each platform recommends, without uploading it anywhere.

    • Runs in your browser

  • Social share image maker

    Make a 1200ร—630 link share image from a headline, your colors, and a logo.

    • Runs in your browser

  • Open Graph preview

    Check a page's share tags and image, preview the card, and write missing tags.

    • Runs in your browser
    • Checks live pages

  • YouTube thumbnail preview

    Preview your thumbnail and title in four YouTube layouts, and see where each one cuts the title.

    • Runs in your browser

  • Safe zone checker

    See where each app's buttons and captions cover a 9:16 image or video, and whether your text stays clear.

    • Runs in your browser

024 tools

Ads and campaigns

Tag campaign links, check ad copy, and do the math on ad returns and A/B tests.

  • UTM builder

    Build consistent campaign links, check the GA4 channel, and export in bulk.

    • Runs in your browser

  • Ad copy character counter

    Check headlines and descriptions against Google, Meta, and LinkedIn limits, with a live ad preview.

    • Runs in your browser

  • ROAS and break-even calculator

    ROAS, break-even ROAS, profit after ad spend, and the target to aim for.

    • Runs in your browser

  • A/B test calculator

    Check a testโ€™s significance and lift, or plan its sample size and length.

    • Runs in your browser

035 tools

SEO and AI visibility

Check that search engines and AI crawlers can read your site, and preview how your pages show up in search.

  • AI search readiness checker

    Check whether AI crawlers can reach, read, and find any public page.

    • Runs in your browser
    • Checks live pages

  • Robots.txt generator for AI crawlers

    Decide which AI crawlers can read your site, then copy a ready robots.txt.

    • Runs in your browser
    • Checks live pages

  • llms.txt generator

    Write a clean llms.txt that points AI tools to your most useful pages.

    • Runs in your browser
    • Checks live pages

  • Schema markup generator

    Write JSON-LD for five common page types, or check a live page's markup.

    • Runs in your browser
    • Checks live pages

  • Search snippet preview

    See how a title and description may look in Google, with pixel-width checks.

    • Runs in your browser
    • Checks live pages

042 tools

Strategy and planning

Put your buyer on one page and check that your customer economics add up.

  • Buyer persona builder

    Fill in a guided template and download a one-page buyer persona card.

    • Runs in your browser

  • CAC, LTV, and payback calculator

    Customer acquisition cost, lifetime value, LTV to CAC, and payback period.

    • Runs in your browser

What happens to what you type

What you type, and the images or videos you add, stay on your device. When you ask a tool to check a live site, our server fetches only the public pages and files it needs and keeps the result for a few minutes. Nothing is sent to an AI model.

  • Runs in your browser
  • Checks live pages

The tools fix the details. Ampere does the work.

Ampere is your brand-aware AI marketing agent. It researches, writes, and packages marketing work from the brand context you save, and you keep direction and approval.

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