Best Free PDF Merger in 2026 — 7 Tools Compared

7 Best Free PDF Mergers Compared

Merging PDFs is one of the most common document tasks. Here are the top 7 free tools ranked by features, limits, and usability.

Quick Ranking

Rank	Tool	Free Limit	Watermark	Max Size	Score
1	MyPDF	Unlimited	Never	50 MB	9.5/10
2	PDF24	Unlimited	Never	No limit	9.0/10
3	iLovePDF	2/day	Sometimes	15 MB free	7.5/10
4	Smallpdf	2/day	Sometimes	5 MB free	7.0/10
5	Sejda	3/hour	Never	50 MB	7.0/10
6	Adobe Online	Limited	Never	100 MB	6.5/10
7	PDF Candy	1/hour	Never	10 MB	6.0/10

Detailed Comparison

1. MyPDF — Best Overall (Free, Unlimited)

MyPDF Merge PDF

• No daily limits — merge as many times as you want
• Drag-and-drop reordering
• No watermarks ever
• Files auto-deleted after 15 minutes
• No account required
• 50 MB per file

Verdict: The best free PDF merger for most users. No restrictions, clean interface.

2. PDF24 — Best Desktop Alternative

• Also truly free with no limits
• Includes a Windows desktop app
• Functional but dated interface
• Files deleted after 1 hour

Verdict: Great if you need a desktop app. Otherwise, MyPDF's interface is more modern.

3. iLovePDF — Good But Limited

• Only 2 free tasks per day
• May add watermarks on free tier
• Clean, popular interface
• 15 MB limit on free tier

Verdict: Fine for occasional use, but daily limits are frustrating.

4. Smallpdf — Popular But Restrictive

• 2 tasks per day on free tier
• 5 MB file limit (free)
• Polished interface
• Cloud storage integrations (paid)

Verdict: Too restrictive on free tier. Good if you're paying for Pro.

5. Sejda — Good Quality, Limited Free

• 3 tasks per hour
• 200-page limit
• Clean interface
• 50 MB file limit

Verdict: Quality tool but hourly limits are annoying.

6. Adobe Acrobat Online — Brand Name, Limited Free

• Requires Adobe account
• Limited free merges
• 100 MB file limit
• Pushes you toward paid plan

Verdict: Uses the Adobe name but aggressively upsells.

7. PDF Candy — Basic But Slow

• 1 task per hour on free tier
• 10 MB file limit
• Basic interface
• Slow processing

Verdict: Too many restrictions for regular use.

Feature Comparison

Feature	MyPDF	PDF24	iLovePDF	Smallpdf
Drag reorder	Yes	Yes	Yes	Yes
Page preview	Yes	Yes	No	No
Remove pages before merge	Yes	Yes	No	No
Batch upload	Yes	Yes	Yes	Yes
Mobile-friendly	Yes	Yes	Yes	Yes

How to Choose

• No limits needed: MyPDF or PDF24
• Modern interface: MyPDF
• Desktop app: PDF24
• Already paying for Pro: Smallpdf or iLovePDF
• Enterprise/compliance: Adobe Acrobat

Try the Best Free PDF Merger

Merge PDFs with MyPDF — unlimited, no watermarks, no sign-up.