Accelerate Your Research
Subthesis is an all-in-one research platform with powerful tools for literature review, data analysis, and manuscript preparation. Designed for academics, students, and researchers.
Free to use. No account required.
Powerful Research Tools
Subthesis offers 57 specialized research tools spanning literature review, hypothesis design, statistical analysis, qualitative coding, and manuscript preparation. Each tool runs free in your browser with no account required, helping graduate students, doctoral candidates, and faculty move from research question to publication faster. Pick the tool that matches your current task and start working immediately.
Literature Review Matrix
Organize and synthesize sources systematically with our comprehensive matrix builder.
Research Question Builder
Craft focused, researchable questions using proven frameworks like PICO and FINER.
Statistical Power Calculator
Determine optimal sample sizes for your studies with precision.
Hypothesis Generator
Transform research questions into testable hypotheses with guided prompts.
Find the Right Tool for Your Research Phase
If you are not sure where to start, choose the phase of research you are in — planning, literature review, data collection, analysis, writing, or defense — and Subthesis will recommend the most relevant tools from its library of 57. Each recommendation links directly to a working tool, so you can begin the task immediately rather than browsing every option in the catalog.
How It Works
Subthesis works in three steps: pick a tool from the library of 57 research instruments, enter your data or research parameters into a guided interface, and receive structured outputs you can paste straight into a thesis, paper, or grant proposal. There is no sign-up, no install, and no learning curve — every tool is built to be useful within minutes.
Select a Tool
Browse our collection of 57 research tools and pick the one that fits your needs.
Enter Your Data
Input your research parameters, questions, or data using our intuitive interfaces.
Get Results
Receive instant, actionable outputs you can use directly in your research.
Free for Everyone
Subthesis is free for everyone, with no paid tiers, no trial limits, and no credit card required. Every research tool, the AI-powered Research Assistant, and all 273+ blog articles are accessible to anyone who visits the site. We keep it free because research methodology and statistical literacy should not be gated behind subscriptions or institutional licenses.
No credit card required
Start Your Research Journey
Whether you are starting a thesis proposal, defending a dissertation, drafting a grant application, or running an independent research project, Subthesis provides the tools, templates, and AI assistance you need to keep moving forward. Begin with the Research Assistant for guided support, or jump directly into the tool library to find what fits your current step.