User communication that actually scales
Onboarding emails, feature announcements, renewal reminders, and trial expiration warnings in 45 languages. Built for product-led growth.
Choose a template
Welcome & Onboarding
Why SaaS teams use Kerna
Localised onboarding emails for international users is a translation cost nobody budgets for
Trial-to-paid conversion suffers when expiration warnings sound robotic
Renewal reminders feel awkward — too pushy and users churn, too soft and they forget
New feature announcements get ignored when they read like marketing copy
Support follow-ups pile up faster than CS can write personalised replies
Beta invitations and survey requests get low response rates from generic templates
Built around how SaaS teams actually work.
Multilingual onboarding without a translation budget
Generate native-quality welcome emails in 45 languages. Your French users get French, your Japanese users get Japanese — without hiring translators.
Tones tuned for SaaS communication
Enthusiastic for feature launches, friendly for tips, direct for trial expiration, empathetic for support follow-ups. Pick the register that converts.
Smart extraction for support tickets
Pull Subscription IDs, Ticket Numbers, Error Log Codes, and API Keys from incoming support emails — turn unstructured tickets into actionable data.
Custom Templates for team consistency
Lock in your brand voice across CS, sales, and product teams. Templates ensure every email sounds like the same company.
Your SaaS inbox, sorted the way you sort it
Kerna starts you with five categories built for this industry and hands them to you in your own language. Rename them, rewrite them, or add one of your own. Nothing is fixed and nothing is saved until you say so.
Every common SaaS email, drafted in one click.
Pre-configured email scenarios from Kerna's add-on, tuned for your field.
The SaaS documents Kerna already recognises
Five document types with the fields already named, so the first extraction works before you have configured anything. Add your own fields on top. Gmail exports to Google Sheets, Outlook to Excel, a new file every time.
Customer invoice
19 fieldsPlus one row per line: Description, Item code, Quantity, Unit price, Discount, Net amount
Subscription order form
16 fieldsService agreement (MSA)
16 fieldsSecurity questionnaire
11 fieldsUsage or billing report
9 fieldsRun it on the next SaaS document that arrives
Free to start, in the inbox you already use. Gmail exports to Google Sheets, Outlook exports to Excel and can take every attachment on a message in one pass.
Frequently asked questions
Does Kerna replace our transactional email service (SendGrid, Postmark)?
No. Kerna helps your team write 1:1 emails inside Gmail — sales follow-ups, support replies, custom outreach. Transactional emails (automated welcome flows, password resets) still belong in your existing ESP.
Can our CS team share standard responses?
Yes. Team accounts (Business plan and above) can share Custom Templates across team members. Standard responses to common questions stay consistent while still feeling personalised.
How does it compare to dedicated CS tools like Intercom or Zendesk?
Kerna isn't a ticketing or CS platform — it's a writing assistant that lives in your existing Gmail. For teams running customer email out of Gmail rather than a dedicated CS tool, Kerna replaces the "draft a thoughtful response" friction without changing your workflow.
Does it handle technical content well?
Yes. The underlying language models understand technical SaaS vocabulary — APIs, integrations, errors, configuration. For very specialised terminology, Custom Templates let you lock in exact phrasing.
Ready to upgrade your SaaS email workflow?
Free to install. Free to try. No credit card required.