NowConverter field lesson · Updated 19 October 2026 · Examples use our original test files.
The problem
You need to email two documents as one PDF. Merging is easy; sending the wrong page order or accidentally including an extra sensitive page is harder to spot. File size may matter for mail attachment limits, but aggressive conversion can destroy text quality or accessibility.
Practice with synthetic pages
- Download PDF A and PDF B. Each has one page.
- Open PDF Merge, choose A first and B second, then export. The intended result has two pages, in that order.
- Open the resulting PDF in a separate viewer. Check both page contents, text readability, image quality and page orientation. Do not rely only on the download filename.
- If the attachment exceeds your recipient's limit, inspect whether embedded images are unusually large before considering conversion or compression. Keep an unaltered original.
A sending checklist
| Check | Why it matters | How to verify |
|---|---|---|
| Page count | Missing or extra material | Look at page thumbnails and final page |
| Reading order | Recipient sees context correctly | Read first and last paragraphs of each source section |
| Searchable text | Scans may be image-only | Try selecting and searching a known phrase |
| Privacy | Hidden pages and layers may persist | Review all pages and metadata; use proper redaction for confidential material |
| Openability | PDF may be damaged or unsupported | Open the exported copy in an independent viewer |
A crucial warning about redaction
Covering a name with a white rectangle is not the same as permanently removing it. The original text may remain selectable. For confidential records use a dedicated redaction workflow and verify that the content cannot be extracted, following organizational policy.
Only use real personal documents on a trusted device. Local processing avoids uploading to our converter, but your eventual email provider still receives the attachment when you send it.