Research tools
Explore research generators, citation tools, reference checks and reporting tools. Choose a tool to draft, format or review your research.
Writing review
- Free AI Detector — Check Text with Winston AI
Check text with Winston AI. See its Human Score and sentence estimates, then review the result in context. Three free scans per browser.
Calculators
- Free Research Calculators
Unlimited free calculations for effect size, sample size, power, intervals and reliability. Free, rate-limited author and journal lookups.
- Sample Size Calculator: Means and Proportions
Unlimited free sample size calculations for means and proportions. Get per-group analyzable and recruitment totals using a normal approximation.
- Effect Size Calculator: Cohen d, Hedges g and r
Unlimited free effect size calculations: Cohen d, Hedges g, paired effects, odds ratios and Pearson r. OR and r intervals; no d or g intervals.
- Power Analysis Calculator: Normal Approximation
Unlimited free power calculations for means and proportions. Get achieved power and recruitment totals using a labelled normal approximation.
Clinical
- Clinical Research Templates and Tools
Browse 10 clinical research tools free. Find trial records, labels and guidelines, or create editable clinical and regulatory draft outlines.
- Adverse-event narrative generator
Draft a de-identified event chronology from structured facts. One free successful draft; reporter assessments stay separate from facts.
- IRB Protocol Template and Consent Outline
Create a sourced protocol or consent outline with institutional and jurisdiction fields. One free input set; review every unfinished section.
- 510(k) summary template
Build a US device summary outline anchored to 21 CFR 807.92. One free input set; complete evidence and professional review before submission.
- Clinical Study Report Template: CSR, SAP and DMP
Create separate CSR, statistical analysis and data management outlines with the right ICH anchors. One free input set; editable draft exports.
- Pharmacovigilance templates
Start a DSUR, PBRER/PSUR or EU RMP outline with source anchors. One free input set; no signal detection, benefit-risk finding or submission.
- Clinical Trial Registry Search
Search ClinicalTrials.gov only: NCT IDs, sponsor-entered status, study dates and source links. One successful free search per browser.
- Clinical Guideline Finder
One successful free search per browser. Find PubMed guideline records with PMIDs and dates; check current guidance through publisher portals.
- HTA and Medicare Coverage Lookup
One successful free search per browser. Get CMS coverage records or, when configured, Exa agency-site matches with source links and dates.
- FDA Application Search and EMA Links
One successful free search per browser. Get Drugs@FDA application records and dated histories, plus portal links to FDA guidance and EMA EPARs.
- Drug Label Search: DailyMed and openFDA
One successful free search per browser. Find DailyMed or openFDA label records with SET IDs, versions, dates and separately sourced label sections.
Extraction
- Research Paper Data Extractor
Process 2 free papers shared across extraction and summarization. Get a field table with evidence quotes, source locations and CSV export.
- Extract Limitations from a Research Paper
Process 2 free papers shared across extraction and summarization. Get author-stated limitations with evidence quotes and source locations.
- Extract Research Methods from a Paper
Process 2 free papers shared across extraction and summarization. Get study design and sample details in a table with evidence quotes.
- Extract Datasets Used in a Research Paper
Process 2 free papers shared across extraction and summarization. Get reported dataset names, access statements and evidence in a table.
- Research Paper Summarizer
Process 2 free papers shared across extraction and summarization. Get question, method, findings and limitations sections with evidence quotes.
Study appraisal
- Risk of Bias Assessment Tool — Free Draft
Create a draft risk-of-bias assessment with verified quotes, reviewer edits and SVG, PNG, CSV or JSON exports. One free study; confirm every judgement.
Search planning
- Search String Builder for 12 Interfaces
Build editable queries for 12 interfaces from a topic or PICO. Get 3 free drafts per browser, shared across search-builder pages. Test before use.
- PubMed Search String Builder
Draft PubMed queries with [tiab] and candidate MeSH terms. Get 3 free drafts per browser, shared across search-builder pages. Check Search Details.
- Scopus Search String Builder
Draft Scopus TITLE-ABS-KEY queries with synonyms. Get 3 free drafts per browser, shared across search-builder pages. Test in Advanced Search.
Generators
- APA 7 Title Page Generator for Student Papers
Format a student paper title page with your title, author, affiliation, course, instructor and due date. Preview and print it free; no AI or signup.
- Free Diagram Generator: Mermaid Flowcharts and More
Create flowcharts, sequence diagrams, mind maps, timelines, Gantt charts and ER diagrams from editable Mermaid text. Export SVG or PNG.
- Free Chart Generator from CSV Data
Paste CSV or tabular data and create bar, line, scatter, area, pie or histogram charts. Validate values and export SVG, PNG, CSV or JSON.
- Research Paper Generator with Academic Sources
Generate a structured research paper from retrieved academic sources, with inline citations, references, progress tracking, and a Markdown download.
- AI Summarizer for Articles and Research Text
Summarize pasted article or research text into a short overview and key points. Three free runs without signup.
- Research Topic Generator for Papers and Essays
Generate eight specific research or essay topic ideas from a subject and your constraints. Three free runs without signup.
- Introduction Generator for Essays and Research Papers
Draft an opening from your thesis, purpose and supporting notes without invented citations. Three free runs without signup.
- Research Methodology Template Generator
Turn a study plan into a methods template with explicit placeholders for missing details. Three free runs without signup.
- Conclusion Generator for Essays & Papers
Turn your essay, paper or key points into a closing paragraph. Choose the length, preserve your argument, and try three free runs without signup.
- Essay Extender: Develop Your Argument
Expand your essay toward a target word count by developing your existing argument. Review a longer draft without adding invented evidence or citations.
- Abstract Generator for Research Papers
Turn drafts or notes into a five-section abstract that marks missing results for review. Includes 3 free runs. Check every claim before submission.
- Research Question Generator: 10 Ideas
Generate 10 research questions tailored by method and population. Includes 3 free runs. Compare feasibility, then copy or download your questions.
- Research Title Generator: 10 Titles
Generate 10 research paper titles from your abstract. Includes 3 free runs. Review study design, population, and wording, then copy your preferred title.
- Thesis Statement Generator: Free Drafts
Turn a topic, position, and optional reasons into one arguable thesis statement. Includes 3 free runs. Review and edit the claim before using it.
- Hypothesis Generator: Null & Alternative
Draft 3 pairs of null and alternative hypotheses with variables and suggested measurements. Includes 3 free runs. Review testability before use.
- PICOT Question Generator for Nursing
Build one PICOT question and component mapping. P, I, and O are required; C and T are optional. Includes 3 free runs. No AI provider is used.
- Research Outline Generator for Papers
Generate research paper headings and writing points from your topic and instructions. Includes 3 free runs. Review suggested methods and planned reporting.
- Keywords Generator for Research Papers
Get 5–10 research paper keywords from your abstract, plus NLM-verified candidate MeSH descriptors when matched. Includes 3 free runs. Review relevance.
Citation tools
- Citation Finder: Find DOI from Title or PMID
Find a citation from a DOI, PMID or partial title. Search real Crossref and PubMed metadata, review candidate matches and copy the reference.
- Free Citation Generator: APA, MLA & Chicago
Create citations from DOI, PMID, ISBN or public URL metadata, or enter details manually. Format your first 3 sources free; review every reference.
- APA Citation Generator (7th Edition)
Create APA 7 author-date citations from source metadata or manual details. First 3 sources free. Check authors, dates and DOI URLs before use.
- APA 6 Citation Generator
Create APA 6 citations from metadata or manual details. First 3 sources free. Use only when older rules are required; review author and DOI rules.
- MLA Citation Generator (9th Edition)
Create MLA 9 author-page citations from metadata or manual details. First 3 sources free. Check containers and quotation page numbers.
- MLA 8 Citation Generator
Create MLA 8 citations from metadata or manual details. First 3 sources free. Use only when older rules are required; check containers and locators.
- Chicago Author-Date Citation Generator
Create Chicago author-date references from metadata or manual details. First 3 sources free. Check author-year markers and passage locators.
- Chicago Notes Citation Generator
Create Chicago full notes and bibliography entries from metadata or manual details. First 3 sources free. Add pinpoints and review repeated notes.
- Turabian Author-Date Citation Generator
Create Turabian author-date citations from metadata or manual details. First 3 sources free. Check your course guide and quotation locators.
- Harvard Citation Generator
Create Cite Them Right 12 Harvard citations from metadata or manual details. First 3 sources free. Confirm your institution requires this variant.
- IEEE Citation Generator
Create numbered IEEE references from metadata or manual details. First 3 sources free. Check citation order, technical titles and repeated numbers.
- Vancouver Citation Generator
Create numbered Vancouver references from metadata or manual details. First 3 sources free. Check journal abbreviations and citation order.
- AMA 11 Citation Generator
Create AMA 11 references from metadata or manual details. First 3 sources free. Check journal details, numbered citations and passage locators.
- NLM Grant Proposal Citation Generator
Create NLM grant-proposal references from metadata or manual details. First 3 sources free. Confirm the grant requires this catalog variant.
- ACS Citation Generator
Create ACS references from metadata or manual details. First 3 sources free. Check your journal’s reference treatment and technical capitalization.
- ASA 6 Citation Generator
Create ASA 6 author-date citations from metadata or manual details. First 3 sources free. Check names, years and your sociology journal’s rules.
- APSA 4 Citation Generator
Create APSA 4 author-date citations from metadata or manual details. First 3 sources free. Check institutional creators and author-year matching.
- CSE 9 Citation Generator
Create CSE 9 citation-sequence references from metadata or manual details. First 3 sources free. Check citation order; this is not name-year.
- OSCOLA 4 Citation Generator
Format OSCOLA 4 compatible records from metadata or manual details. First 3 sources free. Review legal authorities and pinpoints manually.
- Nature Citation Generator
Create numbered Nature references from metadata or manual details. First 3 sources free. Check the target journal’s title and identifier rules.
- Bluebook Law Review Citation Generator
Format Bluebook law-review compatible records. First 3 sources free. Review authorities, signals and pinpoints manually; generic fields have limits.
- ABNT Author-Date Citation Generator
Create ABNT author-date citations from metadata or manual details. First 3 sources free. Check creator names and institutional adaptations.
- AAA Citation Generator
Create AAA citations from metadata or manual details. First 3 sources free. Check contributor details and your anthropology department’s adaptation.
- AGLC 4 Citation Generator
Format AGLC 4 compatible records from metadata or manual details. First 3 sources free. Review Australian authorities and pinpoints manually.
- Website Citation Generator
Create website citations from public URL metadata or manual details. Starts in APA 7. First 3 sources free. Check the page author and date.
- Book Citation Generator
Create book citations from ISBN metadata or manual details. Starts in APA 7. First 3 sources free. Check the edition and publisher.
- Journal Article Citation Generator
Create article citations from DOI or PMID metadata or manual details. Starts in APA 7. First 3 sources free. Check journal, pages and author order.
- PDF Citation Generator
Create PDF citations from a DOI or manual document details. No PDF upload. Starts in APA 7. First 3 sources free. Select the actual source type.
- Image Citation Generator
Create image citations from creator and collection details. Starts in APA 7. First 3 sources free. Verify the original image and attribution.
- YouTube Citation Generator
Create YouTube citations with title/channel lookup. Add the upload date manually. Starts in APA 7. First 3 sources free. Check timestamps.
- Dataset Citation Generator
Create dataset citations with DOI lookup or manual details. Starts in APA 7. First 3 sources free. Verify the version, creators and repository.
Reference tools
- Reference Converter: BibTeX, RIS & DOI
Convert identifiers and bibliography files to APA, MLA, BibTeX, RIS and more. First 10 references free; review fields before copying or downloading.
- DOI to BibTeX Converter
Look up DOIs and download BibTeX for LaTeX or Overleaf. First 10 references free. Review author names, capitalization and entry types.
- DOI to APA 7 Converter
Turn DOIs into APA 7 references using publication metadata. First 10 references free. Review dates, author names and title capitalization.
- RIS to BibTeX Converter
Paste RIS or upload a .ris file and download a BibTeX bibliography. First 10 references free. Review converted fields before importing.
- BibTeX to RIS Converter
Paste BibTeX or upload a .bib file and download RIS for reference managers. First 10 references free. Attachments and custom fields may not transfer.
- PMID to DOI Converter
Find DOIs recorded in PubMed from a list of PMIDs. First 10 references free. Records without DOIs are reported; no title-based matches are guessed.
- Free Reference Checker: Verify Citations
Check references against Crossref, OpenAlex and PubMed for metadata mismatches and recorded retractions. First 20 checks free; review the evidence.
- Retraction Checker: DOI or Title Lookup
Find recorded retractions and notice links using Crossref and Retraction Watch evidence. First 20 checks shared with Reference Checker are free.
Reporting tools
- Reporting Checklist Checker — Free Manuscript Review
Check one manuscript free per browser. Get reporting-item findings, evidence quotes and missing details for author review.
- PRISMA 2020 Checklist Checker — Free Review
Check systematic-review reporting against PRISMA 2020. Review 27 numbered items and subitems with evidence quotes. One free manuscript; review required.
- CONSORT 2025 Checklist Checker — Free Trial Review
Review trial reporting with the CONSORT 2025 checklist: 30 numbered items, evidence quotes and missing details. One free manuscript; no compliance score.
- STROBE Checklist Checker — Three Study Designs
Check one manuscript free per browser with STROBE 2007. Get evidence-linked findings for cohort, case-control or cross-sectional reports.
- COREQ Checklist Checker — 32-Item Reporting Review
Check one manuscript free per browser against COREQ’s 32 items. Get evidence quotes and missing details for interview and focus-group reporting.
- Free PRISMA 2020 Flow Diagram Generator
Build a PRISMA 2020 diagram or scoping-review adaptation from your counts. Export PNG, SVG, editable PowerPoint or JSON. Free, no login.