A powerful & easy to use email designer

Design responsive emails quickly and easily using our drag and drop email designer or if you're an expert coder simply upload your own HTML.

Drag & drop

Easily create mobile friendly designs that look great on any device.

Editing permissions

Put content on lockdown to control which sections can and can't be edited.

No coding

Design responsive emails from scratch without ever having to see a line of code.

Code your own

Expert coders that are HTML savvy can upload their own designs no problem and we'll still run automatic tests on all markup, links, images and content.

With some minor markup changes you can even make your own designs compatible with our drag and drop editor!

Code your own

Custom sending domains

Custom sending domains are perfect for helping to keep your brand on-point and are a key component of building good sender reputation.

Agencies can create an unlimited number of custom sending domains with just a few simple DNS records. We monitor all domains continually and let you know if you've ever got a broken setup.

Custom sending domains

Personalisation & dynamic content

Designs can be personalised easily using basic merge tags. There's also handy ways to set fallback values when there are gaps in your data and merge tags can format things like dates and capitalisation.

Take personalisation to next level using our Template Language to create advanced coding for looping through sets of data, such as shopping baskets, and placing conditional content.

Customised login screen branding Customised login screen branding

More features...

Here's more info on just a few of the other features available for creating email designs.

Image hosting

Amazon cloud hosting provides lightning quick download speeds for images.

Link & image checker

Automatic tests that alert you to those easy to miss errors before it's too late.

Shared templates

Reduce design time by sharing designs across multiple accounts.

Email preview text

Maximise inbox impact using easy to add hidden custom message text.

Auto-generate text version

One click to ensure the emails you send are composed correctly.

Mail filter testing

Each time you press save mail filter test results are refreshed automatically.

Inbox testing

Send tests to colleagues or clients and get their feedback and approval.

Live preview

See exactly what personalised subscriber emails look like in your browser.

Send to a friend

Allow your subscribers to securely shared content with their friends.

User profile & custom fields

Records are stored uniquely based on email address and duplicate records are automatically stripped out for you.

Add first name, last name, address details and and whole range of other personal data plus there are 30 custom fields available to store any other type of related info required.

User profile & custom fields


Build simple rules based on data stored within user profile and custom fields that match subscribers and allow you to easily create and update Lists.

Segmentation profiles can optionally be saved and re-used use so that you can quickly and easily refresh Lists as new subscriber records are created or updated.


Behavioural targeting

Analyse how subscribers engage with the campaigns you send and use those powerful insights to boost response rates through targeted emails and triggered automations.

Engagement tracking is automatic and it' s easy to setup triggered emails based on things like a link click, form submission or an API request.

Behavioural targeting


Subscribers can set their own individual preferences for the emails they want to receive or alternatively you can define what happens automatically when people click unsubscribe.

Suppressions for your existing ESP can be imported easily and there's an auto-cleansing feature that automatically suppresses people that make a complaint and email addresses that continually bounce.


More features...

Here's more info on just a few of the other features available for managing your subscribers.

Seed list

A handy feature to ensure key people receive a copy of every campaign.

Subscriber tags

Apply tags to User Records to infer an interest or preference.

360 view

There's a full CRM-type view of activity for every one of your subscribers.

Field maps

Speed-up imports by saving how your upload files map onto fields within Instiller.

Realtime blocklist

Next-level suppression to stop data getting in through forms, API and import.

Export data

Allow people with the correct permissions to download data at any time.

Preference centres

Create branded sign-up, update and opt-out forms without the need for any coding.

Choose what fields to display on each for and set options for people to set their own preferences. Forms can be embedded in websites, display in a lightbox and every but of activity is tracked and displayed in filterable reports.

Preference centres

Code your own

Take complete control of how your form looks by coding your own HTML and CSS.

All that's required to make custom coded forms compatible is to ensure inputs are named correctly and then addition of some simple validation markup and for triggering a workflow when the form is submitted.

Code your own


Capturing data is one thing but what happens after pressing submit is where the potential lies.

Linking a workflow that gets triggered on submit enables automated follow-up actions for things like trial requests, download requests, event registration, checkout, booking reservations and more...


Integrate with other apps

Existing websites and other forms applications can still efficiently send data directly into Instiller with some very minor integration setup.

Developers can integrate using the API and if you have other favourite form builder apps, like JotForm, that you're currently using then that's no problem because most form builder apps allow for posting form data to external scripts or applications.

Integrate with other apps

More features...

Here's more info on just a few of the other features relating to forms.


Connect hundreds of apps together without any coding using Zapier.

Live alerts

Setup customised email alerts to track the details of form submissions.


Find out more about integrating directly with Unbounce.

List preferences

Let people choose their own or decide for them based on what gets submitted.


Find out more about integrating directly with Instapage.


Deliver one or a complete series of timed and personalised emails.

Seamless integration with other apps

Developers can create custom integrations using our API and you can easily connect to a stack of other apps straight out of the box.

View integrations