Proven to boost engagement by 344%

An image personalized
for every recipient.

Add each subscriber's name, company, or photo to your email images automatically - no developer needed. Works inside the tools you already use.

  Trusted by hundreds of marketing teams · No credit card required

Start for free See a live demo

Free plan includes 2,500 watermarked images per month

Your subscriber's name Background image

Edit the fields above and watch the image update instantly

Get started free
Personalized demo image

Works with 99% of email service providers

Mailchimp Klaviyo SendGrid AWeber MailerLite Smartlead Instantly Zoho
Why OKZest

The results speak for themselves

Personalized visuals consistently outperform generic ones. OKZest makes it easy to create them at scale.

344% higher engagement

Campaigns using personalized images see dramatically higher open rates, click-throughs, and conversions versus generic sends.

Proven result
No developer required

The visual design tool lets marketers create and launch personalized image campaigns without writing a single line of code.

Marketer-friendly
Seamless integration

Drop a single image URL into any email. OKZest handles the personalization - your ESP handles the send. No workflow changes needed.

Works in minutes
Real-time personalization

Images update dynamically when opened - so the content is always current, even if the email was sent days ago.

Live data
Analytics & insights

Track image opens, clicks, and engagement so you can see exactly which personalized images are driving results.

Data-driven
Built for teams

Workspaces, roles, and shared asset libraries keep your team aligned on brand - whether you're an agency or an in-house team.

Collaborative
How it works

Up and running in minutes

No complex setup. No developer handoffs. Just personalized images in your next campaign.

1
Design your template

Use the drag-and-drop editor to create an image template. Add text layers for the subscriber's name, company, or any merge tag.

2
Copy one line of HTML

OKZest generates a single image URL that includes your merge tags. Paste it into your email campaign like any other image.

3
Send - and watch it work

Your ESP sends the email as normal. When each subscriber opens it, they see an image personalized specifically for them.

Two ways to use OKZest

Built for marketers and developers alike

No-code

Visual design tool

For marketers who want to move fast. Design templates, preview personalization, and launch campaigns - all without touching code.

  • Drag-and-drop image editor
  • Real-time personalization preview
  • Pre-built templates to start fast
  • Works with any email platform
Try the design tool
</> API

Image personalization API

For developers who need programmatic control. Integrate personalized image generation directly into your application or workflow.

  • RESTful API with full documentation
  • Bulk image generation at scale
  • Team workspace & collaboration
  • Webhooks & advanced integrations
View API docs
What customers say

Loved by marketing teams

"The image personalization API integrates seamlessly into our existing workflow. Setup took less than an hour and results were immediate."

RE
Ruth Emmel
Email Marketing Manager

"Being able to update images even after you've sent them is genuinely useful - no more outdated content in old emails. Game-changer."

CR
Carlos Rivera
Head of Marketing

"The no-code image personalization was incredibly easy to set up. Our team had it running in the first campaign without any developer help."

AC
Aisha Carter
CRM & Email Specialist

Perfect for your industry

OKZest is used by marketing teams across every sector. Find your use case.

Email Marketers Sales Teams eCommerce Event Organizers Marketing Agencies Coaches & Consultants Recruitment Social Media Managers Real Estate Agents Non-Profits Travel & Hospitality Influencer Marketing
See all use cases

Ready to boost your
email engagement by 344%?

Join hundreds of businesses already delivering personalized experiences that convert. Free to start, no credit card needed.

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Free plan includes 2,500 watermarked images/month  ·  No credit card required  ·  Cancel anytime

Build deeper connections with every supporter

Your mission is powerful, but in a crowded digital world, it can be a challenge to make your message stand out. Your donors, volunteers, and advocates are the heart of your organization, and building a personal connection with each one is essential for long-term support.

OKZest is here to help. Our platform allows you to send visually engaging, personalized emails that make every supporter feel valued and seen. By using dynamic content in your communications, you can increase donations, drive event sign-ups, and foster a loyal community dedicated to your cause.

With OKZest, you can:

  • Create dynamic, personalized email content in seconds.
  • Automatically tailor messages using donor data such as names, donation amounts, and event participation history.
  • Strengthen relationships with supporters and increase engagement across every campaign.

Examples of images you could use to increase engagement

Non profit org AdSphere Campaign Offer
Non profit org Build a Playground
Non profit org ChildHope Sponsorship Gratitude
Non profit org Clean Water Banner
Non profit org Doctors Saving Lives
Non profit org Double Your Donation
Non profit org Eco Gift Banner
Non profit org Ethan's Appreciation Banner
Non profit org HopeFund Charity Banner
Non profit org Chicago Volunteer Weekend
Non profit org Join KindHearts Circle
Non profit org Laura's 85 Milestone
Non profit org Liam's Impactful Donation
Non profit org Meals4Hope Food Drive
Non profit org ReliefAid Emergency Support
Non profit org Rescue Puppy Banner
Non profit org Sophia Gala Invitation
Non profit org Sophia Memorial Banner
Non profit org Sponsor Summer Camp
Non profit org TeachHope School Donation
Non profit org Urgent Fundraising Countdown

Strengthen relationships with supporters and increase engagement across every campaign.

1. Personalize Your Fundraising Emails

  • Tailor emails to each donor, including their name, previous contributions, or the specific cause they supported. Show them they matter.

2. Boost Volunteer Recruitment

  • Send targeted invitations to new or existing volunteers. Use dynamic content to match your opportunities with their preferences or past involvement.

3. Enhance Event Invitations

  • Generate visually stunning and personalized event invitations. Include attendees’ names, event details, and even real-time updates for RSVPs.

4. Automate Thank-You Messages

  • Create heartfelt thank-you emails with personalized images to show your appreciation to donors, sponsors, or volunteers - without extra manual work.

5. Build Long-Term Relationships

  • Deliver meaningful updates on your projects, share impact stories, and tailor your newsletters to your supporters’ interests.

Relevant articles

Ready to boost your engagement by 344%?

Join hundreds of businesses already using OKZest to deliver personalized experiences that convert

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