Work · alternatives · 2026

24 alternatives to PlainMerge

Offline PDF mail merger

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. PlainMerge launched in 2021; newer entries below may have overtaken it.

1. 1
   PDFZero▲100

   Advanced PDF tools to make your job easier

   2019 · pdfzero.com · its alternatives →

2. 2
   File Merger▲5

   Swapnadreddy/filemerger

   2025 · github.com · its alternatives →

3. 3
   PDF merge API▲98

   Create PDF documents from data and templates

   2024 · its alternatives →

4. 4
   PDF Merger▲6

   Combine & merge pdf files online

   2025 · pdftoolslab.com · its alternatives →

5. 5
   COMBINE PDF▲12

   Merge pdf files instantly — private & offline

   2025 · ilovepdf.sbs · its alternatives →

6. 6
   PDF Stitch▲9

   Merge, rearrange, and organize documents, completely offline

   Nov 2025 · pdf-stitch.ogwenya.dev · its alternatives →

7. 7
   Merge PDF▲4

   Combine PDFs. Easy. Free. Secure.

   2024 · maxai.me · its alternatives →

8. 8
   MergePDF,Free, Secure, online PDF Merger▲6

   Merge PDFs instantly — no upload, no signup, just local.

   2025 · mergepdf.toolina.com · its alternatives →

9. 9
   Offline PDF Tools▲5

   Private PDF tools that work 100% offline in your browser

   Jun 2026 · chromewebstore.google.com · its alternatives →

10. 10
    PDF Offline▲3

    Private PDF tools that run entirely in your browser

    Jun 2026 · pdf-offline.com · its alternatives →

11. 11
    Apex PDF: Create, Merge & Split▲2

    All-in-one offline PDF tool. No cloud, no subscriptions.

    Feb 2026 · cevilkanjus.gumroad.com · its alternatives →

12. 12
    All Document Tools▲8

    Free & fast | no signup | nowatermark | privacy

    Nov 2025 · pdf-inity.vercel.app · its alternatives →

13. 13
    MailMergic▲3

    Mail merge PDF, Word, XLS, and emails from a spreadsheet

    2025 · mailmergic.com · its alternatives →

14. 14
    PDFMergeNext▲1

    Merge PDFs locally — your files never leave the device

    Aug 2026 · pdfmergenext.shop · its alternatives →

15. 15
    All-About-PDF Online▲5

    Free Online PDF Processing. Merge, Split, Convert PDF & More

    2019 · app.allaboutpdf.com · its alternatives →

16. 16
    PDF Merger▲1

    Merge pdf files online

    2023 · chromewebstore.google.com · its alternatives →

17. 17
    Handy ▲6

    All the tools. One handy place.

    Jan 2026 · handy.senement.com · its alternatives →

18. 18
    The PDF Buddy▲12

    Best online PDF assistant with 30+ useful utility tools

    2025 · thepdfbuddy.netlify.app · its alternatives →

19. 19
    OfflineForge — Convert files▲2

    Convert Office files to PDF — 100% offline, no uploads

    Jul 2026 · offlineforge.com · its alternatives →

20. 20
    PDFLance▲7

    Free, 100% offline PDF suite. Edit, merge, split, and more.

    2025 · pdflance.com · its alternatives →

21. 21
    Merge PDF (by PDFLite.co)▲1

    Merge PDF files with 100% privacy, no uploads, no fee

    2021 · chromewebstore.google.com · its alternatives →

22. 22
    Quick Converter▲8

    Convert, edit & manage PDFs online — totally free.

    2025 · quickconverter.pro · its alternatives →

23. 23
    PDFcone▲3

    Free, private PDF merger, cropper & splitter- your browser

    May 2026 · pdfcone.com · its alternatives →

24. 24
    webmerge▲4

    Online mail merge with Word, PDF, Excel, HTML output

    2018 · formstack.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →