Assembly Line

OmniTools

Self-hosted collection of powerful web-based tools for everyday tasks. No ads, no tracking, just fast, accessible utilities right from your browser!

OmniTools is an open-source PDF tools project on GitHub under the MIT license (permissive), with 11k stars. It is built with TypeScript, V8, react and Tailwindcss. Its last push was 9 days ago.

Stars
11k
License
MIT
Activity
Active
Latest release
v0.7.0

Code on GitHub Website

Judgement

What it is
Complete system
What it does
A self-hosted web app with many everyday tools for images, video, PDFs, text, JSON, lists and numbers, all processed in the browser.
Adopt it when
You want an ad-free in-house replacement for the scattered online converter and formatter sites staff use.
Watch out
Pre-1.0 with a broad but shallow feature set; heavy video work is limited by the browser.
Ready for
Usable
Runs as
Self-hosted server and cloud service
Built with
TypeScript, React, Vite and Tailwind CSS
How established
Established: started 2 years ago, latest release v0.7.0.
What the license allows
You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Compare OmniTools

Built from

Follow it down: OmniTools → TypeScript → Go → runs on a microchip

How compilers were built, back to punched paper tape

Open-source alternatives to OmniTools

  1. 1
    PdfCraft storytold

    PdfCraft: An open-source PDF reader and editor written by scratch in pure Rust

    Complete system Experimental You want to try a fast native PDF workbench and do not need it to be dependable yet.

    ★ 19k Apache-2.0 Rust Active, pushed today
  2. 2
    BentoPDF alam00000

    The Privacy First PDF Toolkit

    Complete system Usable Staff need everyday PDF tasks without uploading documents to online PDF services.

    ★ 16k AGPL-3.0 JavaScript Active, pushed today
  3. 3
    Pdfcpu pdfcpu

    PDF tooling for Go and the command line.

    Building block Production-ready You need to script PDF manipulation in Go services or shell pipelines.

    ★ 8.9k Apache-2.0 Go Active, pushed today
  4. 4
    Pdfarranger pdfarranger

    Small python-gtk application, which helps the user to merge or split PDF documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface.

    Complete system Production-ready You regularly reorganise PDF pages on Linux or Windows and want a simple free tool.

    ★ 6k GPL-3.0 Python Active, pushed 2 days ago
  5. 5
    Qpdf qpdf

    qpdf: A content-preserving PDF document transformer

    Developer tool Production-ready You need reliable scripted PDF structural operations in a pipeline.

    ★ 5.5k Apache-2.0 C++ Active, pushed 37 days ago
  6. 6
    PDFsam torakiki

    PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages

    Complete system Production-ready You need reliable offline page-level PDF work on Windows, macOS or Linux at no cost.

    ★ 4.7k AGPL-3.0 Java Active, pushed 3 days ago
  7. 7
    KillerPDF SteveTheKiller

    Free and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription.

    Complete system Usable You want an Acrobat-style editor on Windows without a subscription and can accept a young project.

    ★ 4.3k GPL-3.0 C# Active, pushed today
  8. 8
    Pikepdf pikepdf

    A Python library for reading and writing PDF, powered by QPDF

    Building block Production-ready Python code needs to manipulate PDF structure, metadata, pages or encryption reliably, including damaged files.

    ★ 2.8k MPL-2.0 Python Active, pushed yesterday

Commercial PDF tools

  1. 1
    Adobe Acrobat Adobe Inc.

    Adobe Acrobat is your complete PDF toolkit, enhanced with AI. Create, edit, sign, and manage all of your documents.

    Complete system Production-ready You work with PDFs daily, need full editing, forms and redaction, and want the format's own reference tool.

    2k readers a month Since 1993 Commercial
  2. 2
    ABBYY FineReader ABBYY

    ABBYY's latest AI-based OCR technology powers this PDF editor software. Use tool to convert files (PDF to Excel, PDF to Word, etc.), edit, share, collaborate & more!

    Complete system Production-ready You regularly need accurate OCR of scanned documents into editable formats on your own computer.

    143 readers a month Since 1993 Commercial
  3. 3
    Foxit PDF Editor Foxit Software

    Foxit PDF Editor is an AI-powered PDF editor for editing, converting, and signing PDFs. Save 44% vs. Adobe Acrobat. Trusted by 700M+ users. Try it free.

    Complete system Production-ready A business needs Acrobat-level PDF editing across many seats for less money.

    Commercial
  4. 4
    Nitro PDF Pro Nitro Software

    Simplify how your business works. Streamline document workflows, boost productivity, and ensure data security with Nitro

    Complete system Production-ready A company wants to replace Acrobat seats with a cheaper editor that includes e-signing.

    Commercial
  5. 5
    Apryse SDK Apryse

    Integrate document processing capabilities into any software applications. Generate, convert, view, edit, and sign pdf and documents easily.

    Building block Production-ready Your product needs a full in-app document viewer and editor and you can pay for a commercial SDK.

    Commercial
  6. 6
    Smallpdf Smallpdf

    Smallpdf - the platform that makes it super easy to convert and edit all your PDF files. Solving all your PDF problems in one place - and yes, free.

    Complete system Production-ready You need occasional quick PDF jobs in the browser without installing software.

    Commercial

Stars, license and activity come from GitHub and refresh on a rolling hourly schedule. The project's own description is quoted as written.