Preview engine see before send
Preview exactly how each message bubble will look on WhatsApp — text, media, and merge tags included — before you launch a bulk campaign. Step through contacts to catch blank names and broken attachments early.
Everything you need to get started
Follow these steps in WhatSender Pro to activate this feature in minutes.
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Campaigns → Compose → write message and click Preview in the right panel.
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Use arrow keys to step through sample rows from your import.
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Fix any red warnings, then proceed to Send or Schedule.
Step-by-step guide
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01
Open the compose screen
Start a new campaign and write your message or attach media.
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02
Click Preview
The right panel shows a live WhatsApp-style chat mockup with green bubbles.
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03
Step through contacts
Use arrows to view how [[tags]] render for different rows in your list.
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04
Validate attachments
Preview confirms PDF paths and image thumbnails load per row.
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05
Fix issues early
Spot empty names, broken attachments, or long text before any message goes out.
How this helps your business
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Zero embarrassing typos
Catch "Hi ," missing names before 5,000 people see it.
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Client confidence
Agencies screenshot previews for client sign-off.
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Fewer support tickets
Wrong attachments are caught in preview, not in inboxes.
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Faster QA
One panel replaces sending test messages to five colleagues.
Best practices
- Always preview row 1, middle, and last — edge cases hide in extremes.
- Check caption truncation on long merge-tag combinations.
- Screenshot previews for compliance records on regulated industries.