A free literature mapping tool for researchers, students, and academics.
Free Bibliometric Analysis & Literature Mapping Tool
We make bibliometric analysis easy! Upload RIS, WoS, PubMed, Scopus, or BibTeX files and get bibliometric charts and data for your literature review.
Upload your references
Generate presentation-ready data visualizations for your systematic literature review. Upload references and receive charts for trends, citations, collaboration, and keywords.
- Completely free!
- RIS, PubMed (.nbib), BibTeX, WoS "Plain text file" export, and Scopus CSV
- Export from Endnote, Mendeley, Zotero and other reference managers and upload here
- Data visualization including research impact, co-citation networks, collaboration networks, and more.
- Download charts and insert into Word or PowerPoint
- Up to 20,000 references / 50MB total filesize.
- This is a FREE service.
What you get
A shareable online dashboard showing bibliometric data and charts based on your reference files.
Overview summary
Documents, sources, authors, timespan, growth rate, and co-authorship indicators.
Excel dataset
Full analysed dataset emailed as Excel (.xlsx) for 7 days.
Sources & SCImago quartiles
Most relevant journals with SJR quartile and production over time.
Authors & collaboration
Author productivity, countries, institutions, and collaboration maps.
Keywords
Treemap of top keywords and trends over publication years.
Transparent methods
Information tabs explain calculations, references, and data limitations.
As used by students at ...
How it works
From export to bibliometric dashboard in three steps.
-
1
Export from your databases or librariesInclude as many fields as possible e.g. Authors, Year, Source, Citations etc. If exporting from Web of Science, export as "Plain text file" (not Tab delimited).
-
2
Upload and run the analysisWe parse your uploaded files, and compute metrics such as author frequency, common keywords, collaboration, and more.
-
3
Explore and downloadReview the interactive report online and download the Excel dataset from your email.
FAQ
Quick answers about bibliometric analysis.
What does this tool do?
It produces bibliometric analyses from your reference exports, including publication years, sources, authors, keywords, cited references, and collaboration indicators.
Which input formats are supported?
RIS (.ris / PubMed .nbib / EndNote .txt), BibTeX (.bib), Web of Science "Plain text file" export (.txt) or Web of Science CSV (.csv), and Scopus CSV (.csv).
Which fields should I export from WoS, Scopus etc?
Export as many fields as you can. The more fields you provide this bibliometric tool, the better the results.
How do I export from Web of Science?
Select your records in Clarivate Web of Science, click Export, and choose Plain text file (not Tab delimited file). Upload the resulting .txt file here. Excel or CSV exports from Web of Science are also accepted as .csv files.
Can I export from EndNote and import into this tool?
Yes. 1. Open EndNote and select the references you want to export. 2. Click 'File' > 'Export' from the top menu. 3. Choose a destination folder and type a file name. 4. Set 'Save as type' to 'Text File (*.txt)'. 5. Set 'Output style' to 'RefMan (RIS) Export'. If it does not appear in the dropdown menu, click 'Select Another Style...' and search for 'RefMan (RIS) Export'. 6. Click Save. 7. Locate the saved .txt file and rename the file extension from .txt to .ris. 8. Upload the .ris file into the form on this page. Note: Instructions adapted from https://libguides.babson.edu/c.php?g=26340&p=7249083.
Which output files do I get?
A shareable HTML report with charts you may download to insert into Microsoft Word, PowerPoint and other software, plus an Excel file of your full dataset.
Is this tool free?
Yes. Researcher's Friend is free to use. You may process up to 20,000 references per job (50 MB combined upload size limit).
How long are my data available?
Your bibliometric analysis is available on a unique URL (we'll email the URL to you) and is available indefinitely.
How does this tool compare with other science mapping tools?
This web-based tool offers a no-code and easy to use alternative to VOSviewer and Bibliometrix. Other tools may however offer more options.