Edit your email after it's sent

Wrong image? Broken link? With Swaps, every re-open of your campaign shows the latest version, no resend required.

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Works with the tools you already use :

MailchimpBrevoHubspotActiveCampaignKlaviyoMailchimpBrevoHubspotActiveCampaignKlaviyo

How Swaps work

Set it up once and keep full control over every campaign you've ever sent.

01

Upload your design

Drop in your finished email artwork, the same JPEG or PNG you'd export from Canva or Figma.

02

Slice into sections

Split the design into rows so it loads fast and renders crisply in every email client.

03

Paste the HTML once

Copy our generated table and paste it into Klaviyo, Mailchimp, or any ESP. You never touch it again.

04

Update anything, any time

Re-upload a new image or change a link destination. Every inbox that re-opens the email updates instantly.

Everything you need

Fast live updates

Changes are typically live within seconds. No cache-busting, no workarounds.

Full link control

Redirect any slice to a new destination. Perfect for swapping sold-out product links.

Fix a wrong image

Sent the wrong creative? Replace the image without resending the campaign.

Works with any ESP

Klaviyo, Mailchimp, Brevo, HubSpot, ActiveCampaign, if it accepts HTML, Swaps works.

Fix it before they notice

Your subscribers re-open emails for days. That's your window to correct a mistake silently, or update an offer on the fly.

No resend needed
Works in any inbox
Update in seconds
14-day free trial
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Campaigns vs. Flows

Set each one independently

Campaigns and flows have different lifecycles. Swind lets you configure the refetch window for each separately, so a one-time promotional email behaves differently from an automated welcome sequence.

The longer your refetch window, the more opens are counted, because every re-open (including bots and email security scanners) fetches the image again. A shorter window means fewer opens consumed.

Full explanation in our guide →
Campaigns24 h – 7 days

One-time sends. A short window covers correction time without accumulating unnecessary re-fetch opens from bots.

Flows7 days – ongoing

Automated sequences where new subscribers enter at different times. A longer window keeps images fresh for everyone.

Good to know: Google, Outlook, and other email clients use security bots that pre-fetch images before the subscriber even opens the email. These count as opens too, another reason a tighter window saves opens.

Your correction window, your rules

You decide how long each email stays live and editable. After the window closes, the image freezes at its last saved version, and stops counting opens.

24 hoursFewer opens used

Fix-it window

Covers typos, wrong images, and broken links right after send. Minimal bot exposure, great for high-volume campaigns where opens matter.

7 daysBalanced

Standard window

Most re-opens happen within a week. Good default for campaigns where you want flexibility without leaving things open indefinitely.

CustomFull control

Your choice

Set any duration you want, from a few hours to several weeks. Match the window to your campaign lifecycle and open budget.

Frequently asked questions

Still have questions? Contact our support team.

Do I need to change my Klaviyo HTML after setting up Swaps?
How fast do changes appear in inboxes?
Which email platforms are supported?
Can I change the link destination without touching the HTML?
What happens if a subscriber already has the email cached?