Spintax generator
Preview email variations before you send.
Turn a spintax template into readable previews. Check the syntax, count combinations, and keep your merge fields intact. Free, with no signup.
Preview your variations
Use {Hi|Hello} for alternatives. Merge fields such as {{first_name}} stay unchanged.
0 / 8,000 characters
Previewed in your browser. The template is not uploaded or saved. Supports flat single-brace groups; nested groups, RANDOM syntax, and Liquid tags are not supported.
Direct answer
A spintax generator creates controlled wording variations from a base email, but it should only be used after the original message is clear. Keep variation groups small, preserve merge fields, preview outputs, and avoid using spintax to hide weak targeting or risky claims.
Definition
Spintax is a syntax for writing alternative words or phrases inside a template so software can generate multiple message variants.
Best for
- - Small wording variations that preserve the same offer, CTA, and compliance meaning.
- - Teams that need to preview email variants before loading them into a sending platform.
- - Templates where greetings, transitions, or short phrases can vary safely.
Not best for
- - Fixing a weak base email or poor audience targeting.
- - Large variation groups that make QA impractical.
- - Changing legal, opt-out, pricing, or compliance-sensitive language automatically.
Example
Input: {Hi|Hello} {{first_name}}, noticed your team is reviewing outbound email quality.
Output: Two greeting variants while the personalization field and core message stay unchanged.
Limitations
- - Spintax can create broken grammar or invalid merge fields if outputs are not previewed.
- - More variants do not solve deliverability issues from reputation, list quality, or spam-like content.
Useful next sources
Overview
Spintax should support a message, not hide weak copy.
Start with one useful email. Add small, controlled language variations only where they preserve meaning, keep personalization variables intact, and do not make the campaign harder to QA.
Protect the message
Keep the offer, audience, and CTA stable before adding alternative wording.
Keep groups small
Use a few options per phrase so review stays practical and outputs remain readable.
Preserve variables
Keep merge fields outside risky variation groups unless the sending platform supports them.
Preview samples
Read generated variants before volume to catch broken grammar, mismatched tone, and awkward CTAs.
Workflow
Keep the review sequence short.
Step 1
Write one email
Finalize the message without spintax first so the purpose and CTA are clear.
Step 2
Mark safe phrases
Choose greetings, transitions, and short sentence fragments that can vary without changing meaning.
Step 3
Validate outputs
Preview variants with merge fields and platform syntax before using the template in a campaign.
Spintax readiness checklist
Should every cold email use spintax?
No. Use spintax only when it improves variation without damaging clarity, merge fields, or review quality.
How many options should a variation group include?
Start with two or three options. Larger groups become harder to inspect and can create awkward combinations.
Can I preview spintax without an account?
Yes. This free tool previews flat {option A|option B} groups in your browser and preserves merge fields. It shows up to 12 combinations. Nested groups, RANDOM syntax, and Liquid tags are not supported. Saving drafts and generating AI email copy belong in the workspace.