
Notion
Logseq
Joplin
Evernote
Roam Research
Bear
Typora
A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.
iLovePDF
Smallpdf
CloudConvert
TinyPNG
Adobe Acrobat DC
PDF24
iLoveIMG
Merge, split, compress PDFs and convert between PDF and images. 100% client-side, no uploads required.

Which is more popular?
Based on our record, Obsidian seems to be more popular. It has been mentioned 1532 times since March 2021.
Website, pricing, platforms and company facts side by side.
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TPD
Tiny PDF Tools
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| Website | obsidian.md | tinypdftools.com |
| Pricing | — | |
| Company | Startup from the United States | — |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
OBSIDIAN: Getting Started, Facts & Pricing
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How often each product is chosen within a category, 0–100% relative to the other.

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External articles and on-site reviews we used to compare the two products.

One thing to note: Notion bills itself as an Evernote competitor for personal users. It can be—but it's too much for most people, and its offline functionality isn't the best. If you love the idea of Notion, go right...
This app is the kind of thing that, if you’re into it, will have you exploring its various ins, outs, and add-ons for days and weeks on end. Obsidian uses the Markdown format for its notes (which means they can be...
However, it's important to note that Obsidian's whiteboard functionality is not as robust as dedicated collaboration tools. While it lacks real-time basic collaboration features, Obsidian compensates with its vibrant...
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Recommendations tracked on public social media and blogs since March 2021.

The reasons live somewhere else: in practice notes in an Obsidian vault, one note per convention, with the repos it has held in. A note starts as an idea, moves to trialing, and only becomes enforced once I've applied it again in a few... - Source: dev.to / 3 days ago
It's the team version of the second brain you build with Obsidian and Claude. - Source: dev.to / 8 days ago
The first time I downloaded Obsidian was about two years ago and I really liked the concept of storing everything locally in simple markdown files without unnecessary clutter. - Source: dev.to / 6 days ago
Tracking Tiny PDF Tools since Apr 2026.
When comparing Obsidian and Tiny PDF Tools, you can also consider the following products.

All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Compare Notion to Obsidian or Tiny PDF Tools:


Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
Compare Logseq to Obsidian or Tiny PDF Tools:

PDF document management and conversion suite
Compare Smallpdf to Obsidian or Tiny PDF Tools:

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
Compare Joplin to Obsidian or Tiny PDF Tools:

convert anything to anything - more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.
Compare CloudConvert to Obsidian or Tiny PDF Tools: