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Productivity · head to head

Microsoft OneNote vs Sejda

Microsoft OneNote logo

Microsoft OneNote

Productivity

Microsoft's free-form notebook, free with a Microsoft account and synced through OneDrive

From
Free
Rated
-
Sejda logo

Sejda

Productivity

Browser based access to all PDF tools

From
Free
Rated
-

The short version

  • Each has a real cost: Microsoft OneNote notes live in a proprietary notebook format on OneDrive or SharePoint and the only exports are a OneNote file, a PDF or a Word document, produced section by section, so a large notebook is effectively unmovable to any other tool.; Sejda free tier is restricted by page and hourly limits and limited file uploads
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Microsoft OneNote and Sejda actually diverge.

Attributes where Microsoft OneNote and Sejda differ
AttributeMicrosoft OneNoteSejda
PlatformsWeb, IOS, Android, MacOS, WindowsWeb
Founded1975Unknown

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Productivity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Microsoft OneNote

  • Free-form page canvas
  • Notebook hierarchy
  • Indexed handwriting
  • Audio recording
  • Web clipper and Outlook capture
  • Shared notebooks
  • Cross-platform clients
  • Tags and cross-notebook search

Only in Sejda

Nothing recorded that Microsoft OneNote does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Microsoft OneNote

  • Handwritten notes on a pen tablet that you still need to find months later by searching for a word you wrote.not Sejda
  • Lecture or meeting notes where a recording needs to line up with what you were typing at the time.not Sejda
  • A team already inside Microsoft 365 that needs a shared notebook without buying anything or seeking approval.not Sejda
  • Collecting mixed material such as screenshots, clippings and sketches on one page, where a document editor would force a linear structure.not Sejda

Sejda

  • Combining multiple PDFs into single files and reordering pagesnot Microsoft OneNote
  • Converting PDFs to Excel, Word, PowerPoint for data extractionnot Microsoft OneNote
  • Filling and signing PDF forms with digital signatures and validationnot Microsoft OneNote
  • Extracting text from scanned documents through OCR processingnot Microsoft OneNote
  • Batch automating repetitive PDF tasks across hundreds of documentsnot Microsoft OneNote

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Microsoft OneNote

  • Notes live in a proprietary notebook format on OneDrive or SharePoint and the only exports are a OneNote file, a PDF or a Word document, produced section by section, so a large notebook is effectively unmovable to any other tool.
  • Personal notebooks consume OneDrive quota, which is 5 GB on a free Microsoft account, so a notebook full of scans, images and recordings quietly exhausts the whole account including the space Outlook needs for mail.
  • Sync happens at section level and conflicts are resolved by placing both versions on the page, so simultaneous edits to a large or media-heavy section produce duplicated content that somebody has to merge by hand.
  • Search behaves differently across clients, so what the Windows desktop app finds inside handwriting, images and attachments is not necessarily what the browser or mobile version finds, and the same query gives different answers on different devices.
  • There is no relational structure, no database and no properties, so anything that needs a table of records with fields has to be maintained by hand or moved elsewhere, and OneNote's own tables cannot be queried or filtered.

Sejda

  • Free tier is restricted by page and hourly limits and limited file uploads
  • OCR is capped at 100 pages even on paid plans
  • File uploads are capped at 500MB per file on paid plans
  • The 30 percent annual discount requires paying for a year upfront rather than monthly

Pricing, plan by plan

Microsoft OneNote

Free

No published plan breakdown. See the Microsoft OneNote review.

Sejda

Free
  • FreeFree
    • Permanently available with no signup required
    • Page/hourly limits applied
    • Restricted file uploads
  • Web Week Pass$5/week
    • Browser-based tools only
    • Single user, 7-day access
  • Web Monthly$7.5/month
    • Browser access to all PDF tools
    • Recurring monthly billing
  • Desktop+Web Annual$63/year
    • Both desktop application and web access
    • Unlimited documents and no page limits
    • Process multiple files simultaneously

Which should you pick?

Choose Microsoft OneNote if

  • You need free-form page canvas.
  • You want to start without paying.
  • You work on Web, IOS, Android, MacOS, Windows.
  • You also want notebook hierarchy.

Choose Sejda if

  • You want to start without paying.

Questions people ask

Is Microsoft OneNote or Sejda better?
Neither clearly leads. Microsoft OneNote starts at Free and Sejda at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Microsoft OneNote or Sejda?
Microsoft OneNote starts at Free and Sejda at Free.
Does Microsoft OneNote or Sejda run on more platforms?
Microsoft OneNote runs on Web, IOS, Android, MacOS, Windows. Sejda runs on Web.
Can I use Microsoft OneNote for free?
Both have a free tier, so you can try either at no cost before committing.
What is Microsoft OneNote best used for?
Microsoft OneNote is most often used for handwritten notes on a pen tablet that you still need to find months later by searching for a word you wrote., lecture or meeting notes where a recording needs to line up with what you were typing at the time., a team already inside microsoft 365 that needs a shared notebook without buying anything or seeking approval., collecting mixed material such as screenshots, clippings and sketches on one page, where a document editor would force a linear structure.. Of those, handwritten notes on a pen tablet that you still need to find months later by searching for a word you wrote. and lecture or meeting notes where a recording needs to line up with what you were typing at the time. are not what Sejda is typically brought in for.
What can Microsoft OneNote do that Sejda cannot?
Microsoft OneNote covers Free-form page canvas, Notebook hierarchy, Indexed handwriting, Audio recording.

Answered from the vendors’ own pages

Microsoft OneNote: Is OneNote really free?

Yes. The application is free with a Microsoft account, with no time limit and no feature gate. What you may end up paying for is the OneDrive storage the notebooks consume.

Sejda: How much does Sejda cost?

Sejda offers a free tier (no signup required), a Web Week Pass at $5 for 7 days, Web Monthly at $7.50/month, and Desktop+Web Annual at $63/year (30% savings versus monthly pricing).

Source
Microsoft OneNote: Can I keep notebooks off Microsoft's cloud?

The Windows desktop app can keep local notebooks, but they will not sync to other devices and any shared access requires OneDrive or SharePoint.

Sejda: Does Sejda offer volume discounts?

Yes, teams receive progressive discounts: 10% for 2-4 users, 20% for 5-24 users, 40% for 25-49 users, and 60% for 50+ users.

Source
Microsoft OneNote: How do I get my notes out?

Section by section as a OneNote file, a PDF or a Word document. A OneNote package preserves a whole notebook but only for another copy of OneNote. Third-party converters exist and the page layout usually does not survive them.

Sejda: What are the limitations of Sejda's free plan?

The free plan includes page/hourly limits and restricted file uploads. Paid subscriptions unlock unlimited documents, no page or hourly limits, simultaneous multi-file processing, extended task duration up to 21 minutes, and large file uploads up to 500MB.

Source
Microsoft OneNote: Which version should I install?

Microsoft consolidated onto a single OneNote application on Windows after retiring the Store version, so install the one distributed with Microsoft 365 rather than looking for an alternative.

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