Free research tools

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

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 verified against CrossRef and OpenAlex.

Writing

Free tool

Word counter & readability

Live word, character, and sentence counts, reading time, and Flesch readability scores. Private — runs in your browser.

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.

Reference

Free tool

Validated scales library

A curated library of psychometric instruments — 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