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Free Tools

Free Research Tools

6 free, open-access tools built by our team to make evidence synthesis faster and easier. No sign-up required. Use them alongside our services or on their own.

Free Tool
PRISMA Flow Generator
Generate a PRISMA 2020-compliant flow diagram in seconds. Enter your identification, screening, and inclusion numbers and download a publication-ready diagram as a high-resolution PNG.

Features

PRISMA 2020 compliant
Real-time preview
PNG export
Pre-filled examples
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Free Tool
Effect Size Calculator
Calculate and convert between common effect size measures: Cohen's d, Hedges' g, odds ratios, risk ratios, and correlation coefficients. Includes 95% confidence intervals and variance estimates.

Features

SMD, OR, RR, r
Confidence intervals
Effect size conversion
Copy to clipboard
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Free Tool
Extraction Template Builder
Build a customized data extraction form with 60+ pre-built fields covering study info, population, intervention, outcomes, and risk of bias. Export as a CSV spreadsheet.

Features

60+ pre-built fields
Custom fields
Reorderable columns
CSV export
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Free Tool
PICO Framework Builder
Structure your systematic review question using the PICO framework (Population, Intervention, Comparison, Outcome). Add synonyms and generate a Boolean search string for PubMed and other databases.

Features

PICO structure
Synonym support
Boolean search string
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Free Tool
Heterogeneity & Power Calculator
Assess heterogeneity with I², Cochran's Q, τ², and prediction intervals using DerSimonian-Laird. Calculate the minimum number of studies needed for your meta-analysis.

Features

I² & Cochran's Q
τ² estimation
Prediction intervals
Power analysis
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Free Tool
Risk of Bias Assessment
Create Risk of Bias (RoB 2) traffic light summary tables. Add studies, cycle through domain-level judgments, view summary statistics, and export as a publication-ready PNG.

Features

RoB 2 domains
Traffic light display
Domain summaries
PNG export
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External Resources We Recommend

Trusted tools and references from the evidence synthesis community.

Cochrane Handbook

The definitive guide to systematic review methodology for health interventions.

PROSPERO Registry

International registry for systematic review protocols in health and social care.

PRISMA Statement

Official PRISMA 2020 checklist, flow diagram templates, and explanation documents.

Covidence

Web-based screening and data extraction platform widely used in systematic reviews.

RevMan

Cochrane's free software for preparing and maintaining systematic reviews.

RoB 2 Tool

The revised Cochrane risk-of-bias tool for randomized trials with domain-level assessments.

Tools Save Time. Expertise Saves More.

Our free tools handle the routine tasks. For the heavy lifting -- comprehensive searches, dual screening, meta-analysis, and manuscript drafting -- let our team of experts take over.

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