Email Tools
1 toolsCheck a marketing or transactional email before you send it: what breaks in which inbox, and what a spam filter notices.
A pasted HTML email checked the way it will actually be read, not the way it looks in your editor. Outlook on Windows renders through Microsoft Word's engine, not a browser — no rounded corners, no CSS backgrounds, none of flexbox or grid — while Gmail, Apple Mail and the rest use a real one, so the same markup can be a solid layout in one inbox and a pile of broken boxes in another.
These tools check structure and code, not send reputation: no tool that only sees a pasted file can tell you where an email will land, and none of these claim to.
How these tools work
Each of these tools needs our server to do its job, and says at the top of its page exactly what it sends. The Privacy Policy says what happens to it.
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