Never / OK / DUE tags eliminate guesswork so you mail on time.
Launch every ready‑to‑mail site in new tabs with one click.
Back up your work and migrate lists in seconds.
Type directly in cells—autosave keeps everything current.
Paste a domain or full URL—either way it becomes a clean login link.
Low‑glare colors and bold action accents keep you in flow.

“I mail more consistently and my clicks are up 28%. Open-All-Due is my new ritual.”
— Dana K.

“Importing my old sheet took minutes. The status tags are game-changers.”
— Chris L.

“We manage multiple promo accounts—CSV export makes handoffs clean.”
— Taylor S.
Does it require a subscription?
No. It runs in your browser with local save + CSV backup.
Will it work with my current lists?
Yes. Import a CSV or paste them manually—you’re live in minutes.
What if I switch computers?
Export CSV on one device and import on the other to carry everything over.
What browsers are supported?
Chrome, Edge, Brave, Firefox, Safari (timestamps are universal).
Click below to get instant access. Add your first mailers in minutes.