Free research tools

A growing suite of free tools for researchers, with no sign-up and most running entirely in your browser. Built from the same engine that powers Folio, the integrated research workspace.

Folio Studio Workspace

Charts from a spreadsheet, layered labels and brackets, and PRISMA, forest and CONSORT diagrams in one workspace, saved to your account.

Citations & integrity

Free tool

Citation generator

Paste a DOI and get a perfect reference in APA, MLA, Chicago, IEEE, Harvard, or Vancouver. No sign-up, no AI.

Free tool

Reference checker

Catch fake or AI-hallucinated citations and retracted papers. Every reference is verified against CrossRef and OpenAlex.

Writing

Free tool

Word counter & readability

Live word, character, and sentence counts, reading time, Flesch readability, and academic-style suggestions. Runs privately in your browser.

Study design & statistics

Free tool

Sample size calculator

Power analysis for two-group comparisons, plus survey / margin-of-error sample sizes. Plan your study before collecting data.

Free tool

APA statistics reporter

Format t-tests, ANOVA, correlations, chi-square, and z-tests in correct APA 7 style, with the p-value computed for you.

Systematic review & meta-analysis

Free tool

PRISMA flow diagram

Build a publication-ready PRISMA 2020 flow diagram for a systematic review. Enter your numbers, download SVG or PNG.

Free tool

Forest plot & meta-analysis

Pool studies (fixed & random-effects) with I² heterogeneity, a funnel plot, and Egger’s test. Download the figures.

Clinical trials

Free tool

CONSORT flow diagram

Build a publication-ready CONSORT 2010 flow diagram for a randomized trial, covering both arms. Download SVG or PNG.

Reference

Free tool

Validated scales library

A curated library of psychometric instruments, with reliability, scoring, subscales, and a ready-to-cite methods sentence.

Do the whole thing in one place

Folio brings discovery, reading, citation-checked writing, and verifiable authorship together, so the work these tools help with never leaves one workspace.

Start writing free