Spam Check · Free tool, no sign-in
The best email in the world still has to arrive.
Paste your email. You get the phrases filters react to, the structural problems behind them, and the fix for each one. The scan runs in your browser.
Watch it work
What it does
How it works, step by step.
- Paste your emailAdd the subject line, the preheader and the body.
- Read the reportSee the phrases and the structure that tend to send email to spam.
- Apply the fixesEach problem comes with the change that fixes it.
- Go deeper if you likeMembers can add an AI deep read on their token allowance.
What you get and who it is for
Anyone sending email who wants it to reach the inbox.
Instant
The scan starts as soon as you have pasted enough of the body.
Private
Nothing is uploaded. The scan runs in the tab.
A fix for each flag
You are told what to change, not just what is wrong.
Free, and what costs credits
- The scan
- Free, with no sign-in.
- AI deep read
- Optional, for members. It uses your AI allowance.
Straight answers
Do I need an account?
Not for the scan. Only the optional AI deep read needs a member sign-in.
Is my email uploaded?
No. The scan runs in your browser.
Can it promise inbox delivery?
No tool can. It points out common problems so you can fix them before you send.
Where should I check my subject line?
You can also use the Subject Line Scorer for a closer look at the subject and preheader.