Source: https://seerepo.com/compare/Stirling-Tools/Stirling-PDF/vs/zfile-dev/zfile
Markdown source: https://seerepo.com/compare/Stirling-Tools/Stirling-PDF/vs/zfile-dev/zfile.md
Description: Stirling-PDF and zfile share 4 technologies: s3, Apache, AWS S3, and Spring. Stirling-PDF is written in TypeScript and zfile in Java.

# Stirling-PDF vs zfile

Stirling-PDF and zfile share 4 technologies: s3, Apache, AWS S3, and Spring. Stirling-PDF is written in TypeScript and zfile in Java.

- [Stirling-Tools/Stirling-PDF](https://seerepo.com/r/Stirling-Tools/Stirling-PDF): #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
- [zfile-dev/zfile](https://seerepo.com/r/zfile-dev/zfile): 在线云盘、网盘、OneDrive、云存储、私有云、对象存储、h5ai、上传、下载

## What they share and what sets them apart

- In common: s3, Apache, AWS S3, Spring
- Only in Stirling-PDF: org.springframework.boot:spring-boot-starter-web, H2 Database, jcache, org.springframework:spring-jdbc, PostgreSQL, spring-boot-starter-cache, spring-boot-starter-data-redis, url-connection-client, com.github.ben-manes.caffeine:caffeine, Postgres, PostHog, Telegram, jetty-http2-server, jakarta.servlet:jakarta.servlet-api, org.eclipse.jetty:jetty-alpn-java-server, org.eclipse.jetty.compression:jetty-compression-server, Vite, React, react-router-dom, Tauri, objc2-app-kit, objc2-foundation, Tokio, tiny_http, Supabase, tauri-plugin-store, Stripe, core-services, @tauri-apps/api, Hibernate, org.springframework.boot:spring-boot-starter-data-jpa, jjwt-impl, jjwt-jackson, spring-boot-starter-oauth2-resource-server, spring-boot-starter-security-oauth2-client, spring-security-saml2-service-provider, com.coveo:saml-client, io.jsonwebtoken:jjwt-api, onnxruntime, angus-mail, batik-transcoder, commonmark-ext-gfm-tables, imageio-batik, imageio-bmp, imageio-hdr, imageio-icns, imageio-iff, imageio-jpeg, imageio-pcx, imageio-pnm, imageio-psd, imageio-sgi, imageio-tga, imageio-thumbsdb, imageio-tiff, imageio-webp, imageio-xwd, jbig2-imageio, jpdfium, metadata-extractor, org.springframework.boot:spring-boot-starter-mail, outlook-module, owasp-java-html-sanitizer, pdfbox-io, preflight, stirling-office-convert, stirling-office-convert-legacy, stirling-office-convert-pdfa, stirling-office-convert-topdf, org.apache.pdfbox:pdfbox, org.verapdf:validation-model, jakarta.mail:jakarta.mail-api, org.apache.pdfbox:xmpbox, org.apache.poi:poi-ooxml, com.google.zxing:core, de.rototor.pdfbox:graphics2d, org.apache.xmlgraphics:batik-bridge, org.commonmark:commonmark, technology.tabula:tabula, com.github.junrar:junrar, com.hubspot.jinjava:jinjava, com.opencsv:opencsv, com.vladsch.flexmark:flexmark-html2md-converter, org.simplejavamail:simple-java-mail, micrometer-registry-prometheus, org.springframework.boot:spring-boot-starter-actuator, spring-boot-starter-jetty, io.micrometer:micrometer-core, ch.qos.logback:logback-core, Tailwind CSS, fontsource, Mantine, @reactour/tour, @dnd-kit/core, tanstack, @atlaskit/pragmatic-drag-and-drop, D3, signature_pad, tauri-plugin-dialog, @tauri-apps/plugin-notification, react-easy-crop, react-rnd, recharts, tauri-plugin-notification, tauri-plugin-window-state, webview2-com, Lucide, keyring, embedpdf, pdfjs-dist, react-markdown, remark-gfm, @cantoo/pdf-lib, qrcode.react, objc2-pdf-kit, pixelmatch, log, tauri-plugin-log
- Only in zfile: com.mysql:mysql-connector-j, Flyway, sqlite-jdbc, org.springframework.boot:spring-boot-starter-cache, org.springframework.boot:spring-boot-starter-data-redis, com.qiniu:qiniu-java-sdk, MySQL, SQLite, graal-sdk, spring-boot-starter-thymeleaf, com.baomidou:mybatis-plus-spring-boot3-starter, cn.dev33:sa-token-spring-boot3-starter, poi-ooxml, org.springframework.boot:spring-boot-starter-validation

## Side by side

| | Stirling-PDF | zfile |
|---|---|---|
| Size | 1,168,066 lines written, 4,452 code files | 33,407 lines written, 419 code files |
| Who writes it | 2.1% of its commits signed by AI. With GitHub Copilot, Claude Code, and Codex | 0% of its commits signed by AI |
| Activity | Last push November 12, 2026, 5,787 commits, 96,362 stars | Last push November 10, 2026, 750 commits, 10,872 stars |
| Tests | 2,168 test files. 49.7% of its code files have a test that imports them | 0 test files |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, Stirling-PDF or zfile?

Stirling-PDF, with 1,168,066 lines written; zfile has 33,407.

The proof: [Stirling-Tools/Stirling-PDF's code at commit ee8c2b3](https://github.com/Stirling-Tools/Stirling-PDF/tree/ee8c2b3a9fc5842f787373c2aeff1431f5ff9d85)

### Which has more GitHub stars, Stirling-PDF or zfile?

Stirling-PDF, with 96,362 stars; zfile has 10,872.

The proof: [Stirling-Tools/Stirling-PDF on GitHub](https://github.com/Stirling-Tools/Stirling-PDF)

### Which has more tests, Stirling-PDF or zfile?

Stirling-PDF, with 2,168 test files.

The proof: [Stirling-Tools/Stirling-PDF's code at commit ee8c2b3](https://github.com/Stirling-Tools/Stirling-PDF/tree/ee8c2b3a9fc5842f787373c2aeff1431f5ff9d85)

### Which was updated more recently, Stirling-PDF or zfile?

Stirling-PDF: its last push was on November 12, 2026, and zfile's on November 10, 2026.

The proof: [Stirling-Tools/Stirling-PDF's commits on GitHub](https://github.com/Stirling-Tools/Stirling-PDF/commits)

### Which has more commits signed by AI, Stirling-PDF or zfile?

Stirling-PDF: an AI signed 2.1% of its commits, with GitHub Copilot, Claude Code, and Codex.

The proof: [the commits each tool signed in Stirling-Tools/Stirling-PDF](https://seerepo.com/r/Stirling-Tools/Stirling-PDF/ai)

## Sources

- Stirling-Tools/Stirling-PDF: Read on November 12, 2026, at commit ee8c2b3 (https://github.com/Stirling-Tools/Stirling-PDF/tree/ee8c2b3a9fc5842f787373c2aeff1431f5ff9d85)
- zfile-dev/zfile: Read on November 13, 2026, at commit 775b017 (https://github.com/zfile-dev/zfile/tree/775b0172f3b1d3f68aabca727ef7e083e6bd5aa5)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.