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Best PDF mergers in 2026

  1. 1

    PDF Candy

    by PDF Candy
    Free plan AndroidiPhoneLinux+3

    PDF Candy combines a broad set of PDF tools with AI features and cloud storage connections.

    7.7 Free plan · paid from $6/mo Visit site
  2. 2

    HiPDF

    by HiPDF
    Free plan AndroidAPIExtension+5

    HiPDF combines conversion with PDF editing, OCR, batch processing, and AI tools. Check file-size limits and renewal terms when choosing an access option.

    7.6 Free plan · paid from $39.95/yr · 7-day trial Visit site
  3. 3

    PDF24 Compare PDF

    Free plan AndroidiPhoneLinux+3

    PDF24 Compare PDF provides several ways to review text changes without installing software.

    7.6 Free plan Visit site
  4. 4

    PDF4me Merge & Split

    Free plan AndroidAPIExtension+2

    PDF4me offers several ways to merge and split PDFs, from browser tools to API and no-code workflows. Check the call limits and per-page billing for some features when estimating API use.

    7.6 Free plan · paid from $25 Visit site
  5. 5

    CombinePDF

    Free plan AndroidiPhoneLinux+3

    CombinePDF handles mixed PDF and image inputs with ordering controls and no account requirement. Its upload count and per-file size limits are worth checking before combining larger batches.

    7.5 Free plan Visit site
  6. 6

    CoolUtils Online PDF Merger

    Free plan AndroidAPIiPhone+5

    CoolUtils Online PDF Merger covers straightforward, small merges, including adding common image formats as PDF pages.

    7.4 Free plan Visit site
  7. 7

    LightPDF

    by LightPDF
    Free plan AndroidAPIExtension+6

    LightPDF combines common PDF workflows with chat-based tasks and additional AI functions.

    7.4 Free plan · paid from $5.99/mo · 3-day trial Visit site
  8. 8

    DoKit

    Free plan Web

    Choose DoKit for browser-based PDF tasks, especially when you need to merge mixed file formats or extract pages without installing an app.

    7.2 Free plan Visit site
  9. 9

    PDFMerged

    Free plan AndroidiPhoneLinux+3

    PDFMerged offers browser-based merging with image support and no stated file-count cap beyond device memory.

    7.2 Free plan Visit site
  10. 10

    Secure-Merge

    Free plan Web

    Secure-Merge combines browser-based merging with a receipt describing document processing and network activity.

    7.1 Free plan Visit site
  11. 11

    Sejda PDF Editor

    by Sejda PDF Editor
    Free plan LinuxMacWeb+1
    7.1 Free plan Visit site
  12. 12

    PDFgear

    by PDFgear
    Free plan AndroidExtensioniPhone+3

    PDFgear brings several PDF utilities, including OCR, into a free product available across mobile, desktop, and web. The stated 100 MB cap applies to PDFs in its online editor.

    7.1 Free plan Visit site
  13. 13

    AvePDF

    Free plan AndroidiPhoneLinux+1

    AvePDF covers common PDF tasks and conversion across a wide range of formats, with cloud upload and save options.

    7.0 Free plan Visit site
  14. 14

    Smallpdf

    by Smallpdf
    Free plan AndroidiPhoneWeb+1

    Smallpdf brings a broad set of PDF tasks together, including OCR, annotations, document signing and file sharing across devices.

    7.0 Free plan · paid from $7/user/mo (annual) · 7-day trial Visit site
  15. 15

    Mergram PDF Merger & Splitter

    Free plan Web

    Choose Mergram PDF Merger & Splitter for browser-based PDF merging or page extraction with no sign-up, watermark, or daily processing cap.

    6.9 Free plan Visit site
  16. 16

    Online PDF Merger

    Free plan Web

    Choose Online PDF Merger for a free browser workflow that combines and orders up to 20 PDF files at a time.

    6.9 Free plan Visit site
  17. 17

    Online2PDF

    Free plan Web

    Online2PDF brings a broad set of PDF tasks into a web service, with batch support and a free plan. Its lack of API, local software, and automated bulk processing limits it for repeatable workflows.

    6.9 Free plan Visit site
  18. 18

    iLovePDF

    by iLovePDF
    Free plan AndroidiPhoneMac+2

    iLovePDF covers common PDF tasks alongside form creation, AI tools, and an offline desktop app.

    6.9 Free plan Visit site
  19. 19

    ZonePDF

    Free plan AndroidExtensioniPhone+3

    ZonePDF combines browser PDF tools, an AI assistant, and a local-processing desktop app.

    6.9 Free plan · paid from $2.99/mo (annual) Visit site
  20. 20

    PDF Joiner

    Free plan Web

    PDF Joiner covers straightforward PDF and image merging in a web browser, with file reordering and batches of up to 20 PDFs.

    6.8 Free plan Visit site
  21. 21

    PDFinery

    Free plan Web

    PDFinery offers a broad set of PDF tasks in the browser, with the site describing local processing and no file-size restrictions. Its free plan is listed as free, with no account required.

    6.8 Free plan Visit site
  22. 22

    PDFViz

    Free plan Web

    PDFViz provides a broad collection of browser-based PDF operations with local processing and output checks.

    6.7 Free plan Visit site
  23. 23

    Falcon Merge

    Free plan Web

    Choose Falcon Merge for straightforward browser-based PDF combining, especially when keeping file contents on-device is important.

    6.5 Free plan · paid from ₹49/mo Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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