PDF & video captions rich captions
Add formatted captions to photos, videos, and PDF attachments before bulk send — merge tags included. Captions appear in the WhatsApp preview exactly as recipients will see them on mobile.
Everything you need to get started
Follow these steps in WhatSender Pro to activate this feature in minutes.
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Campaigns → Compose → attach PDF or video, then open the Caption editor.
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Insert [[Full Name]] and offer text in the caption field below the preview.
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Use Live Message Preview to confirm caption wraps correctly on long PDFs.
Step-by-step guide
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01
Attach PDF or video
Choose the file that will travel with every contact in the campaign.
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02
Write the caption
Use the caption box under the attachment. Supports emoji, line breaks, and merge tags.
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03
Personalize per row
Map Excel columns so each caption mentions the right name, city, or SKU.
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04
Preview bubble layout
The preview engine shows caption truncation and line breaks on mobile.
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05
Send with delays
Rich media + captions need human-like pacing — enable Anti-Block Delays.
How this helps your business
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Context on every asset
Recipients know why they received a PDF or video without asking.
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Higher engagement
Captions with names and deadlines drive opens on silent attachments.
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Professional delivery
Invoices, menus, and brochures arrive with branded intro text.
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Fewer follow-up questions
Clear captions reduce "what is this file?" replies to your team.
Best practices
- Keep captions under 1,024 characters for best display on all devices.
- Put the CTA in the first line — it shows in notification previews.
- Test PDF captions on Android and iPhone using your own number first.