Free tools
Single checks you can run in the browser, right now.
Each one answers a single question about your paper in seconds, with no account: are any of my references retracted, does this journal actually fit, does my methods section contain what a reviewer needs, do my statistics hold up.
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The free material that teaches the same skill. Read all of it without buying anything.
Reference integrity check
Paste a reference list or a DOI and see which citations are retracted, corrected, or carry an expression of concern, before a reviewer finds them.
Tool Instant No account
Journal fit finder
Describe the paper and get a shortlist of journals it actually fits, with the scope language each one uses to decide.
Tool Instant No account
Citation claim checker
Compare one claim with one resolved source, inspect the exact passage and coverage boundary, and export a citation evidence record.
Tool Instant
Also worth reading
How often papers cite retracted work
We checked 744,770 citations across 12,402 papers in 54 selected biomedical journals. 1.4% (about 1 in 73) cited work that had been retracted or given an expression of concern by June 2026; 7.1% including corrections.
Guide Original research
Where a journal actually states its rules
Scope, package, review model and editorial decisions traced to the official publisher pages that state them, with the review date on every source and the whole dataset open.
Data Official sources Versioned CSV and JSON
Teaching the source map in a class or a lab meeting
A ready-to-run session on finding where a journal states its requirements, built on the source map. Made for librarians and supervisors to use as it is.
Tutorial For librarians and supervisors Ready to run
What 90 official journal sources show
Reproducible findings from the Source Map corpus, with exact counts, study boundaries, open files and deposit-ready citation metadata.
Data Original findings Open data Citable
Acceptance rates by journal
Acceptance rates across publishers, each labeled as publisher-reported, reported or an estimate. A journal statistic, not the odds for your paper.
Data Labeled by source Free
Peer review timelines by journal
Median time from submission to acceptance for research articles, measured from PubMed records, with first-decision times alongside, so you can plan a submission rather than guess at it.
Data Measured from PubMed CSV Free
Which reporting guideline fits your study
CONSORT for trials, PRISMA for reviews, STROBE for observational work, ARRIVE for animal research, and ten more, with how to tell which one you owe.
Guide Free
How to identify a predatory journal
The red flags, the verification steps, and the harder question underneath: what separates a predatory venue from a legitimate low-tier one.
Guide Free
Preprint release decision
Run a go/no-go gate across journal policy, author consent, intellectual property, ethics, public claims and version stewardship.
Guide Guide + PDF Free
Data sharing release record
Trace each data object through rights, access, repository, metadata, release timing and stewardship decisions.
Guide Guide + PDF Free
Research data management plan checklist
Planning files, documentation, storage, access, sharing and preservation before the data exists, which is the only time it is cheap.
Guide Free No login
Statistical analysis decision record
A source-backed provenance record connecting the research question, design, data state, method, uncertainty and bounded claim.
Guide Guide + PDF Free
Systematic review control map
A protocol-to-reporting decision ledger for search provenance, selection flow, study linkage, appraisal, synthesis, and PRISMA locations.
Guide Guide + PDF Free
Citation management that survives a project
Choosing a manager, organising sources, removing duplicates, and checking references before they embarrass you in review.
Guide Free No login
Journal metrics: impact factor, CiteScore, SJR, h-index
What each metric measures, how they differ, and which one answers the question you are actually asking.
Guide Free
Interpret Journal Impact Factor responsibly
Verify the edition, inspect the formula and citation distribution, reject invalid uses, and make a reproducible interpretation record.
Guide Guide PDF
The journal intelligence atlas
Benchmark records, field maps, review timing, submission requirements and fee structures, browsable rather than searched one journal at a time.
Collection Free
Journal selection and fit
Scope fit, novelty checks, journal comparisons, and how to read a selective journal honestly before you spend three months on it.
Collection Guide collection
Publishing ethics and preprints
Preprint practice, salami slicing, prompt injection in review, and the trust questions that now sit around a submission.
Collection Guide collection
Journal AI policies
What each journal requires you to disclose about AI use, how authorship rules are changing, and what compliance looks like now.
Collection Guide collection