Guides
Clear thinking for growing businesses.
Practical guides on brand, websites and marketing, for businesses weighing their next step and for the clients we already work with.
Free tools
Check your work before it goes out.
We use these two tools every week. They run in your browser, so nothing is uploaded.
See all tools →Social image checkDrop in an image to see exactly how it crops on LinkedIn, Instagram, Google and in email. Then measure any area and check any text on it can be read.Crop · ratio · contrastBrand colour checkEnter your brand colours to see which combinations can carry text, which ones confuse people with colour-blindness, and the smallest change that fixes each failing pair.WCAG 2.2 · APCA
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For Onmark clients
Get more from what we've built together
Short, practical guides for the brands, websites and marketing we look after with you, so your team can use them with confidence between check-ins.
Your brandUsing your guidelines, logo files and templates correctly across every channel.Guides in productionYour websiteEditing pages, adding posts and managing images in your CMS without breaking the layout.Guides in productionYour marketingReading your monthly report: what each number means and what to ask us next.Guides in productionYour socialsHow approvals, scheduling and publishing work, and what we need from you each month.Guides in production
Can't find what you need? We'll answer, and write it up for everyone.Ask your Onmark team
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