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Notepad3 Offline Installer

Developer Tools · v5.20.0 · Freeware

Lightweight text editor with advanced features for developers

4.8/5
2M+ downloads
Size: 5.5 MB
Updated: Apr 28, 2026

Official source from Rizonesoft — installer flow and package type are controlled by the vendor

Alternate mirror sources (if official is unavailable)

Download directly from the official site using the button above. We link only to official sources — no third-party mirrors.

Download Summary

Source

Rizonesoft official download page

Platforms

Windows

Current listing

v5.20.0 · 5.5 MB

Notepad3 Overview

Notepad3 offline installer provides a compact yet powerful text editing solution developed by Rizonesoft. This software is designed for Windows users who require a versatile tool for coding and text manipulation. The current version, 5.20.0, offers numerous enhancements over its predecessors, including improved syntax highlighting and support for various programming languages. With a file size of only 5.5 MB, it is efficient and quick to download, even on slower connections. The offline installer option is particularly beneficial for users who need to set up the software on multiple machines without an internet connection. Among its standout features, Notepad3 supports syntax highlighting for over 100 programming languages, including Python, JavaScript, and HTML. The software also includes a built-in code folding feature, which allows developers to collapse code blocks for better readability. Another notable aspect is the customizable user interface, which can be tailored to suit individual preferences, including themes and font styles. Furthermore, Notepad3 supports regular expressions for advanced search and replace functionality, enhancing productivity for developers. The software's version 5.20.0 also introduces performance optimizations that reduce loading times and improve overall responsiveness. The Notepad3 offline installer is particularly advantageous for IT administrators and educational institutions. For air-gapped environments where internet access is restricted, the standalone installer ensures that installations can be performed without any online dependencies. This feature is crucial for deploying software on USB drives, allowing for easy installation on multiple machines in various settings, such as schools or corporate environments. The full setup can be executed on systems that are not connected to the internet, streamlining the deployment process. Additionally, the offline installer can be used to maintain a consistent software version across all devices, simplifying management for IT departments. System requirements for Notepad3 include Windows 7 or later, with a minimum of 1 GB RAM and 10 MB of free disk space. The installation process is straightforward; users simply need to run the downloaded executable file. For silent or network deployment, command-line options can be utilized to automate the installation process, making it suitable for large-scale rollouts. Administrators should ensure that they have the necessary permissions to install software on target machines to avoid any interruptions during the setup process.

Notepad3 runs on Windows and is commonly used for coding, debugging, and local development. Key capabilities include syntax highlighting for over 100 languages (version 5.20.0), built-in code folding for improved readability, customizable themes and font styles.

The Notepad3 offline installer is a standalone setup file that bundles the full installation package into a single executable — no internet connection required at any point during installation. Unlike a web-based stub installer that requires an active download, this standalone installer works completely without internet — download it once and run it anywhere. The full setup is especially useful for schools, IT departments, and enterprise environments that manage air-gapped networks or restricted connections. Save the standalone setup to a USB drive or internal network share and deploy Notepad3 to multiple workstations without re-downloading. Rizonesoft publishes the download page directly, so the file you get matches what the vendor officially releases.

Download Notes

Use the buttons above to open the official download source for Notepad3. Before installing, check the package type, supported operating systems, and any release notes the vendor provides.

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Official source

The primary button points to the official download page from Rizonesoft.

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Package type

This listing opens the vendor's download page, where the final installer or build is chosen by the publisher.

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Platform coverage

Notepad3 is listed for Windows. Check the OS-specific buttons for the best available source.

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Release details

Version v5.20.0 and the current file size are shown on this page so you can confirm you are downloading the expected build.

Notepad3 Key Features

  • Syntax highlighting for over 100 languages (version 5.20.0)
  • Built-in code folding for improved readability
  • Customizable themes and font styles
  • Regular expressions support for advanced search and replace
  • Lightweight installation size of only 5.5 MB
  • Portable version available for USB deployment

How to Download and Install Notepad3

Follow these steps to get Notepad3 from the official source and complete the setup on your device:

  1. 1
    Open the official download source

    Use the download button above to open the official download page for Notepad3 v5.20.0 from Rizonesoft.

  2. 2
    Choose the right build for your platform

    Select the installer or package that matches your operating system and architecture. This page lists support for Windows.

  3. 3
    Run the installer or package

    Launch the downloaded file and follow the vendor's setup prompts. Some vendors provide a full installer, while others use a lightweight downloader.

  4. 4
    Confirm the installed version

    After setup, open Notepad3 and confirm the version, license tier, and any first-run settings or updates offered by the vendor.

Notepad3 — All Versions & Downloads

Platform availability and download links for each release.

🪟 Windows .exe / .msi
Version Released 🪟 Windows What Changed
v5.20.0 LATEST Apr 28, 2026 ⬇ .exe Current stable release

ℹ️ Older version links redirect to the official download page — the developer controls which previous versions remain available.

Notepad3 System Requirements

Baseline requirements to run the current Notepad3 release:

Operating System
Windows 7 or later
Memory (RAM)
1 GB RAM minimum
Disk Space
10 MB free disk space
Processor
Intel Pentium 4 or AMD equivalent

Notepad3 Download FAQ

What programming languages does Notepad3 support for syntax highlighting?
Notepad3 supports syntax highlighting for over 100 programming languages, including popular languages like Python, JavaScript, C++, and HTML. This extensive support enhances coding efficiency and readability for developers working across various platforms.
Can Notepad3 handle large text files efficiently?
Yes, Notepad3 is designed to handle large text files efficiently. It incorporates performance optimizations that reduce loading times and improve responsiveness, making it suitable for editing files that are several megabytes in size without significant lag.
What is the Notepad3 offline installer?
The Notepad3 offline installer is a full standalone setup file — sometimes called a standalone installer or full setup package — that installs the software completely without an internet connection. Once you have downloaded the setup file, you can run it on any compatible machine, including air-gapped PCs, school labs, and enterprise workstations, without needing to re-download files during installation.
How is the Notepad3 offline installer different from the web installer?
A web installer (also called an online installer or stub installer) downloads the actual program files from the internet during installation, so it fails if your connection drops. The Notepad3 standalone offline installer bundles the full setup inside a single executable — you download it once, save it to a USB drive or network share, and install it anywhere, even without internet access.
Can I use the Notepad3 offline setup on multiple computers?
Yes — that is one of the main advantages of a standalone full setup file. Copy the installer to a USB drive or shared network folder and run it on as many machines as needed without an internet connection. Check the license terms from Rizonesoft for any per-seat restrictions before deploying to multiple workstations.
Which platforms does Notepad3 support?
Notepad3 is available for Windows. The platform badges and download buttons on this page reflect the operating systems listed in the current catalog entry.
Is this an official Notepad3 download?
Yes. This page links to the official download page for Notepad3 from Rizonesoft. The button on this page opens the official download page from Rizonesoft, where the vendor controls the final installer or package selection. We do not host modified installers or third-party repacks.

Download Details

Software
Notepad3
Version
v5.20.0
Developer
Rizonesoft
License
Freeware
Installer Type
Official download page
File Size
5.5 MB
Last Updated
2026-04-28T17:38:31.224Z
Platforms
Windows
Go to Official Download

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