Scientific writing in Word has been standard for decades, but many journals—especially in computational biology, biophysics, and clinical research—require or prefer LaTeX. Overleaf is the dominant browser-based LaTeX editor. Whether it’s right for you depends on whether you actually need LaTeX, not on whether Overleaf is good at delivering it.
I use Overleaf for papers in computational biology journals and Word for others. The friction of the decision isn’t Overleaf’s quality; it’s whether LaTeX itself solves a problem in your workflow.
What Overleaf Is
Overleaf is a cloud-based LaTeX and Rich Text editor with real-time collaboration, accessible from any browser. You don’t install anything locally. Overleaf handles TeX compilation, rendering PDFs on-the-fly, and version control. Free and paid tiers exist.
LaTeX, for the uninitiated: it’s a markup language where you write content in plain text mixed with commands (\textbf{bold}, \cite{key}, etc.), and a compiler turns it into a beautifully typeset PDF. It’s the standard in mathematics, physics, and increasingly in computational biology. Most word processors work WYSIWYG (what you see is what you get); LaTeX is more like code.
Overleaf removes the barrier to entry for LaTeX: no local TeX installation, no command-line compilation, no fussing with packages. You open a browser, pick a template, and start writing.
Who Actually Needs LaTeX and Overleaf
This is the critical question. If you don’t need LaTeX, Overleaf solves no problem.
You need LaTeX/Overleaf if:
- Your target journal requires it. Many computational biology, bioinformatics, and physics journals (Nature Methods, PLOS Computational Biology, Genome Biology, many IEEE and ACM venues) provide LaTeX templates and expect submissions in that format.
- Your paper has heavy mathematical notation. Equations in LaTeX are far more elegant and readable than Word’s equation editor, especially for complex multi-line derivations.
- Your institution requires LaTeX for theses or dissertations. Many PhD programs, particularly in STEM fields, have official LaTeX templates.
- You’re collaborating with computational or physics colleagues who live in LaTeX. Overleaf is the easiest shared editing environment for LaTeX authors.
- You’re writing papers with many cross-references, citations, or figures. LaTeX handles these automatically; Word requires manual management.
You don’t need Overleaf if:
- Your target journals accept Word and don’t provide LaTeX templates. Most medical and clinical journals (The Lancet, JAMA, New England Journal of Medicine) prefer Word. Overleaf adds complexity without benefit.
- You’re not comfortable with code-like syntax. If the idea of writing
\citep{Smith2020}instead of clicking a citation button feels painful, Overleaf won’t change that. - Your lab is Word-native and you need to iterate with co-authors who don’t use LaTeX. Coordinating LaTeX markup across collaborators without technical training creates friction.
What Overleaf Does Well
Real-time collaboration, similar to Google Docs but for LaTeX. Multiple authors can edit simultaneously. You see cursors moving, comments appear in real-time, and no merge conflicts. This is a massive advantage over emailing .tex files back and forth.
Thousands of pre-built journal templates. Pick your target journal from a dropdown: PLOS, Springer, Elsevier, Nature, ACM. The template populates with the correct formatting, bibliography style, figure placement rules, and example sections. This saves hours compared to setting up LaTeX formatting from scratch.
Automatic compilation with clear error flagging. You write or paste content, and Overleaf compiles the PDF in real-time. If there’s a LaTeX error (unclosed braces, undefined citation keys), it tells you exactly which line. This is far more transparent than local compilation, where errors appear in a terminal that many users find opaque.
Version history. Like Google Docs, Overleaf tracks changes. You can revert to earlier versions, see who changed what and when, and restore lost text without manual backups.
Git integration (premium tier). If your lab uses GitHub, you can sync your Overleaf project directly to a Git repository. This is powerful for teams that want version control alongside collaborative editing.
Zotero and Mendeley integration. Link your reference manager account directly to Overleaf. Your bibliography updates automatically as you cite papers in your manager.
No local installation or TeX setup required. You don’t need to download TeX distributions (MacTeX, MiKTeX, TeX Live) or manage package dependencies. This is enormous for users who aren’t comfortable with command-line tools.
Limitations That Matter
LaTeX has a real learning curve. For scientists without programming backgrounds, even simple formatting requires learning syntax. Bold text is \textbf{text}, italic is \textit{text}, a new paragraph is a blank line (not Enter twice). Figures require a figure environment with \centering, \includegraphics, and \caption commands. Overleaf’s visual interface and templates reduce this friction, but it doesn’t eliminate it.
Free tier limits real-time collaboration. The free tier allows one collaborator to edit at a time (you can send others read-only links). Full real-time collaboration requires paid tiers. This is a reasonable business model, but it means Overleaf’s killer feature (real-time editing) isn’t free for teams.
Compilation can be slow. For manuscripts with many high-resolution images, PDFs can take 10+ seconds to compile. This isn’t catastrophic, but it breaks flow if you’re used to instant WYSIWYG rendering in Word.
Bibliography management requires discipline. You need to either maintain a BibTeX file or use Zotero/Mendeley integration carefully. Mistakes in citation keys (typos in \cite{} calls) will break citations. Word is more forgiving because it highlights unlinked references.
Figures in Overleaf are less interactive. You can’t drag-and-drop figures to resize them visually; you adjust width in the LaTeX code. For complex figure layouts, this is slower than Word.
Word’s Track Changes feature is superior. If you need detailed editing feedback (acceptance, rejection, comments on specific changes), Word’s revision tracking is more mature than anything Overleaf offers. Overleaf’s “review mode” exists but isn’t as polished.
Free vs. Paid Tiers: What Matters
Free tier:
- Single real-time collaborator
- Compile time limited to 1 minute per hour (can be slow for large projects)
- Limited project storage
- No GitHub/GitLab sync
- No priority support
Collaborator tier (~$120/year):
- Up to 10 real-time collaborators
- Faster compilation (4 minutes per hour)
- Dropbox and GitHub sync
- Useful for most academic teams
Professional tier (~$180/year):
- Unlimited collaborators
- Full compile time (no time restrictions)
- All integrations
- Useful for large labs or multi-site collaborations
Verdict on pricing: If you’re writing a single manuscript with one or two co-authors, the free tier is adequate (you collaborate one at a time). If you’re managing a lab with multiple concurrent manuscripts, Collaborator tier is worth the cost to avoid coordination headaches.
Overleaf vs. Writing in Word or Google Docs
Here’s how these three platforms compare for writing scientific manuscripts:
| Dimension | Overleaf | Word | Google Docs |
|---|---|---|---|
| Learning curve | Medium-high; LaTeX required | Low; WYSIWYG | Low; familiar interface |
| Journal requirement | LaTeX journals only | Most journals | Most journals |
| Real-time collaboration | Excellent (paid tier) | Fair; limited simultaneous edits | Excellent; free |
| Citation management | Good; Zotero/Mendeley integration | Excellent; built-in; Word’s Mendeley plugin | Fair; limited options |
| Equation typesetting | Excellent; LaTeX equations are elegant | Fair; equation editor clunky | Fair; similar to Word |
| Figure placement | Good; code-based control | Excellent; drag-and-drop | Good; similar to Word |
| Bibliography formatting | Automatic (once set up correctly) | Automatic; automatic journal style selection | Manual or Google Scholar integration |
| Track changes / Review | Adequate; comment-based | Excellent; detailed revision tracking | Adequate; suggestion mode |
| Export to Word | Possible but ugly (use PDF instead) | Default format | Can export, but loses formatting |
| Cost | Free or $120-180/year | $6.99/month (~$84/year) or one-time purchase | Free (Google account) |
| Best for | LaTeX-required journals; computational audiences | Clinical/medical journals; labs using Word ecosystem | Collaborative drafting; quick iterations; non-technical teams |
When to use Overleaf: Your target journal requires or provides LaTeX templates. Your collaborators are comfortable with LaTeX syntax or willing to learn. You need mathematical notation or heavy cross-referencing. Real-time collaboration is essential.
When Word is fine: Your journal accepts Word. Your lab is Word-native. Track changes and review are critical for your workflow. You have no computational collaborators pushing you toward LaTeX.
When Google Docs is better: You’re in early drafting stages and need fast iteration. Your team is non-technical. You want zero learning curve. You need real-time collaboration on the free tier.
Overleaf in Practice: A Realistic Scenario
You’re writing a paper for PLOS Computational Biology (requires LaTeX). You have two co-authors: one is computational (familiar with LaTeX), one is wet lab (no LaTeX experience).
With Overleaf:
- You create a project using the PLOS template.
- The computational co-author writes the Methods section (comfortable with LaTeX).
- You write Results and Discussion (you know LaTeX well enough).
- The wet lab co-author writes Introduction in a Google Doc, you paste it into Overleaf and format it.
- You all collaborate in Overleaf in real-time for final edits (requires Collaborator tier; ~$120/year).
- Bibliography is managed via Zotero; citations update automatically.
- Final PDF is ready to submit.
With Word:
- Create a Word template based on the PLOS requirements (or use a third-party template).
- Collaborate via OneDrive or email.
- Your computational co-author keeps asking why there’s no simple equation editor (frustration).
- Your wet lab co-author gets confused by the bibliography system.
- Track changes create a tangle of edits.
- You convert to LaTeX for submission (painful).
Overleaf isn’t faster here because LaTeX-required journals exist; it’s faster because you’re working in the native format from the start.
Verdict
Overleaf is the right tool if LaTeX is a requirement, not an option.
If your target journals require LaTeX, Overleaf is the best way to write and collaborate on manuscripts. It removes installation friction, provides templates, and offers real-time collaboration. The learning curve for LaTeX itself remains, but Overleaf doesn’t add additional complexity.
However, Overleaf does not solve the fundamental problem: learning LaTeX syntax. If you’re not comfortable with code-like markup and your journal accepts Word, Overleaf introduces friction rather than removing it.
Recommendation by scenario:
- Computational biology, bioinformatics, physics journals: Use Overleaf. Your journal expects LaTeX, and Overleaf is the easiest environment to work in.
- Medical or clinical journals (most don’t require LaTeX): Use Word or Google Docs. Overleaf is unnecessary overhead.
- Multi-site collaboration, mixed LaTeX skill levels: Overleaf with the Collaborator tier ($120/year) is worth it for frictionless real-time editing.
- Single-author, routine manuscripts: Word is probably faster. No collaboration overhead, no learning curve.
- Early-stage drafting with non-technical co-authors: Google Docs. Overleaf will frustrate them.
Overleaf is mature, stable, and well-designed. It’s not the best writing tool in absolute terms (that depends on your needs), but it is the best tool for writing in LaTeX without a local setup. If LaTeX is your requirement, use it without hesitation.