What Paperpile does

Paperpile is a web-based commercial reference management software company founded in 2012 by three computational biologists — Stefan Washietl (CEO), Gregory Jordan, and Andreas Gruber — during their tenure at the European Bioinformatics Institute and MIT. The platform enables academic researchers, students, and institutions to collect, organize, annotate, and cite scientific literature, with a proprietary literature database covering 250M+ academic papers and native integration into the Google productivity ecosystem (Google Sign-in, Google Drive for PDF storage, Google Docs citation insertion via Apps Script). The product surface spans a web application, native iOS and Android apps, a Chrome browser extension (with Safari and Firefox in beta), a Microsoft Word plugin (beta), and emerging AI features including Ask AI (multi-LLM integration with ChatGPT, Gemini, Claude, Copilot, NotebookLM), a Citation Checker for hallucination screening, and an MCP server for AI agent access.

The business operates on a fully bootstrapped, founder-owned basis with a lean team of approximately 20 employees distributed across the US, Canada, and Austria, and is headquartered at 245 First Street, Cambridge, MA. Revenue is generated through annual subscriptions on three tiers launched in March 2026 — Regular ($4.15/month), Expert ($5.75/month), and Enterprise (custom-priced with SAML SSO, HIPAA compliance, custom MSA/SLA) — supplemented by a 50% academic discount and group discounts up to 20%. The go-to-market combines a product-led growth self-serve funnel (30-day free trial, no credit card required, Google sign-up) for individual users with a direct sales motion for enterprise and institutional deals. The platform reports 200,000+ users worldwide and adoption by 200+ named academic and research institutions including MIT, Harvard, Oxford, Cambridge, ETH Zurich, Max Planck, Genentech, Google, and Meta. Certifications include SOC 2 Type II, HIPAA, and GDPR compliance.

Name

Paperpile

Legal name

Paperpile LLC

Website

https://paperpile.com

Company type

Private

Founded year

2012

Operating status

Operating

Headcount range

1–10 employees

Short description

Paperpile is a web-based reference management software serving 200,000+ academic researchers and 200+ institutions, integrating deeply with Google Docs and Drive, offering AI-powered citation tools and mobile apps on a bootstrapped subscription model.

Ownership category

akta.pro rank

Product category

Academic Reference Management Software

NAICS

Book Publishers (51313), Periodical Publishers (513120)

SIC

Books: Publishing Or Publishing & Printing (2731), Miscellaneous Publishing (2741)

akta.pro primary industry

Conference Proceedings & Research Reports Publishing (EDAGAFAL)

Keywords

• Reference management software
• Academic citation tools
• Research paper manager
• Bibliography management
• Scholarly workflow platform

Headquarters

HQ city

Cambridge

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Software

Cost components

Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations

Revenue model

1. Subscription - Regular Plan: Annual subscription providing core reference management features: collect and organize references, store and read PDFs, cite in major styles and BibTeX, basic integrations with Word, Google Docs, and academic databases. Priced at $4.15/month ($8.30 original) billed annually.
2. Subscription - Expert Plan: Annual subscription including all Regular features plus full-text PDF search, notes and PDF annotations, shared folders and libraries, supplementary file support, advanced integrations and custom citation styles. Priced at $5.75/month ($11.50 original) billed annually. Includes group discounts up to 20% for multiple seats.
3. Subscription - Enterprise and Institutions: Custom-priced enterprise plan for companies, universities, and research institutions requiring scalable and secure tools. Includes single sign-on with SAML, advanced security and privacy settings, custom MSA and SLA, vendor security reviews, and HIPAA compliance. Sold via sales team with custom quotes.
4. Academic Discount: 50% discount for students, faculty, and researchers affiliated with accredited universities, recognized research institutions, or eligible non-profit organizations worldwide.

Pricing tiers

Go-to-market motion1 record

Distribution channels6 records

Marketing channels4 records

Core offering

Paperpile is a web-based reference management SaaS platform that helps academic researchers collect, organize, annotate, and cite scientific papers. It offers a browser-based library with PDF storage, native citation plugins for Google Docs and Microsoft Word, AI-powered research assistance, a literature database of 250M+ papers, and dedicated subscription plans for individuals as well as universities and research institutions.

Product overview

Paperpile is a unified, cloud-based reference management platform designed for researchers and academics. The core offering consists of a web application complemented by native mobile apps (iOS and Android) and browser extensions for Chrome, Safari, and Firefox. The platform integrates natively with Google Docs and Microsoft Word through dedicated plugins for citation management, and offers AI-powered features including the Ask AI integration (connecting to ChatGPT, Gemini, NotebookLM, Claude, and Copilot), a Citation Checker tool, and an MCP server for AI workflow automation. Additional modules include a Journal Finder for publication discovery, team collaboration features, and comprehensive BibTeX/LaTeX support with Overleaf integration. The platform syncs PDFs to Google Drive and OneDrive (beta), enabling cross-device accessibility.

Differentiator

Problem solved

Functional benefit

Products and services

• Paperpile Reference Management Platform Web-based subscription platform that lets academic researchers collect references from databases and publisher sites, store and annotate PDFs, search full text, format citations and bibliographies, and collaborate with colleagues on shared libraries.
• Paperpile Mobile Apps (iOS and Android) Native mobile applications for iOS and Android that let researchers read, annotate, highlight, and organize their PDF library on mobile devices with full synchronization to the Paperpile web library.
• Paperpile Browser Extension Chrome browser extension that provides one-click import of references and PDFs from academic databases and publisher websites including Google Scholar, PubMed, and arXiv, with bulk saving, labeling, and folder management.
• Paperpile Citation Checker Standalone AI-powered tool that screens BibTeX files for hallucinated citations and citation errors before preprint or manuscript submission to help researchers maintain citation integrity.
• Paperpile Journal Finder Standalone journal discovery tool that searches more than 40,000 journals across all disciplines to recommend matching publication venues based on a manuscript's title, abstract, keywords, or subject category.

Named customers12 records

Segments4 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration14 records

AI capability6 records

Feature8 records

Partnerships

One partnership is on record.

• GooglecoreTechnology or IntegrationDeep integration with Google's productivity ecosystem. Paperpile uses Google Sign-in for authentication, Google Drive for PDF storage and sync, and Google Docs for citation insertion. The Chrome extension and Apps Script integration are core to Paperpile's value proposition.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• ReadCube Papers: Commercial reference manager focused on researchers with strong PDF reading and annotation features. Competes head-to-head with Paperpile for individual and institutional subscribers in the same SMB/academic segment.
• JabRef: Open-source BibTeX reference manager popular among LaTeX and STEM researchers. Competes with Paperpile in the LaTeX/BibTeX workflow segment, particularly for users who prioritize BibTeX-native workflows over GUI-driven reference management.
• Citavi: Swiss-developed reference manager with strong knowledge organization and task-planning features. Targets the same academic and research markets as Paperpile, especially in the DACH region and European institutions.
• Zotero: Free, open-source reference manager developed by the Corporation for Digital Scholarship and widely adopted across academia. Directly competes with Paperpile for the same researchers and offers overlapping features (citation formatting, PDF management, browser connector), making it Paperpile's most direct open-source competitor.
• BibGuru: Citation generator and reference manager that operates in the same academic citation space as Paperpile. The two are linked from the Paperpile website footer, suggesting an affiliated or sibling-product relationship, and compete directly for users seeking simpler citation formatting tools.

Others

• Obsidian: Local-first Markdown knowledge management tool with a strong plugin ecosystem used by many researchers for personal knowledge management and citation workflows via community plugins. Adjacent rather than directly competitive, but increasingly part of the researcher tooling stack Paperpile must coexist with.

Emerging players

• Notion: General-purpose workspace and note-taking platform increasingly used by researchers as a lightweight reference and literature management tool. Overlaps with Paperpile's organization, annotation, and collaboration use cases, particularly for non-LaTeX researchers.
• Overleaf: Cloud-based LaTeX editor widely used in STEM academia. Paperpile integrates directly with Overleaf via BibTeX sync, making Overleaf both a complementary workflow partner and a partial competitor as it adds reference management features of its own.

Broad incumbents

• EndNote: Long-established commercial reference manager owned by Clarivate, with deep institutional penetration at universities and corporations. Competes with Paperpile for academic and institutional customers but is part of a much broader scholarly analytics portfolio, giving it incumbency advantages in procurement and integrations.
• Mendeley: Reference manager owned by Elsevier, one of the largest academic publishers. Competes directly with Paperpile on reference management and PDF organization and benefits from Elsevier's publisher relationships, institutional sales force, and Scopus integration.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/paperpile
• Facebookfacebook.com/paperpile

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Paperpile