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Insomnia Offline Installer

Standalone installer · Full setup · Offline installer free download for Windows/macOS/Linux

Developer Tools · v12.5.0 · Open Source

Powerful REST client for debugging APIs

Download link verified by (Editor) on — links go directly to the official source from Insomnia.
License: Open Source
Size: 130 MB
Platforms: Windows macOS Linux
Updated:

Quick answer: downloading Insomnia

Insomnia is a Open Source developer tool for Windows/macOS/Linux from Insomnia. Its official offline (standalone) installer is published as a direct EXE download and installs without an internet connection. Always download from the official source (insomnia.rest) — we link there directly and never host or modify the file.

Insomnia Trust & Verification

External authoritative sources that identify and verify Insomnia.

Insomnia Offline Installer Downloads

Verified installer files, platform packages, store pages, and browser plugins when available.

Platform Build Architecture Package Download Notes
Windows

EXE

Insomnia Core 12.5.0 Windows EXE

64-bit EXE Download Official Insomnia release installer
Windows

ZIP

Insomnia Core 12.5.0 Windows ZIP

64-bit ZIP Download Official Insomnia Windows archive
macOS

Universal

Insomnia Core 12.5.0 macOS DMG

Universal DMG Download Official Insomnia macOS package

Direct installer links are shown only when verified. Store and browser extension rows open the publisher-controlled official destination.

Source: official offline / standalone installer — the verified file above installs without an internet connection.

We do not host software files on our servers. All download links point to the official developer source or a trusted, verified mirror.

Insomnia Overview

Insomnia offline installer provides a comprehensive solution for API development and testing. Developed by Insomnia, this tool is currently at the current version and is designed to streamline the workflow for developers working with REST and GraphQL APIs. The offline installer allows users to set up the application without needing an internet connection, making it a valuable asset for environments with restricted access. The tool is built with a focus on performance and usability, ensuring that developers can efficiently manage their API requests and responses. Key features of Insomnia include support for GraphQL and REST APIs, making it versatile for various development needs. The application supports multiple authentication methods, including OAuth 2.0, Basic Auth, and API keys, ensuring secure access to APIs. the current version introduces enhanced environment variables management, allowing for easier configuration across different development stages. Additionally, Insomnia supports importing and exporting API definitions in formats such as OpenAPI and Postman collections, facilitating collaboration among teams and integration with existing workflows. The Insomnia offline installer is particularly beneficial for IT administrators and educational institutions. In environments where machines are air-gapped or require strict security protocols, the standalone installer enables deployment without internet access. This full setup can be executed from a USB drive, simplifying the installation process across multiple machines. For enterprise environments, the ability to deploy the software without internet connectivity ensures compliance with security policies, while also allowing for consistent software versions across all devices. The standalone setup is ideal for schools and organizations that need to maintain control over their software installations, ensuring that all users have access to the same tools without the need for ongoing internet access. System requirements for Insomnia include Windows 10 64-bit or later, macOS 10.14 or later, or a compatible Linux distribution. The installation process is straightforward; users can download the appropriate installer for their OS and follow the on-screen instructions. For silent or network deployment, IT administrators can utilize command-line options available in the installer, ensuring a smooth installation process across multiple machines without user interaction. This feature is particularly useful for large organizations looking to streamline their software management processes.

Insomnia Preview

Insomnia Developer Tools preview card
Insomnia — Developer Tools

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Insomnia Offline Installer Key Features

  • Multiple authentication methods including OAuth 2.0 and Basic Auth
  • Environment variables management for configuration across development stages
  • Import and export API definitions in OpenAPI and Postman formats
  • Standalone installer for offline use without internet access

Insomnia Standalone Installer System Requirements

Baseline requirements to run the current Insomnia release:

Operating System
Windows 10 64-bit or later
Memory (RAM)
4 GB RAM minimum
Disk Space
200 MB free disk space
Processor
Intel Core i3 or AMD equivalent

How to Install Insomnia

Follow these steps to install Insomnia offline on your PC:

  1. 1

    Download the Insomnia offline installer from the official source below.

  2. 2

    Locate the downloaded installer file in your Downloads folder or the directory you specified.

  3. 3

    Follow the on-screen instructions to complete the installation, including accepting the license agreement and selecting the installation directory.

  4. 4

    Once the installation is complete, you may be prompted to launch Insomnia immediately.

  5. 5

    Launch Insomnia — installation is complete.

Common Insomnia Installation Issues & Fixes

Ran into a problem? Here are the most common issues and how to fix them:

⚠️

Insomnia fails to start after installation.

Ensure that your system meets the minimum requirements for Insomnia. If the issue persists, try reinstalling the application or checking for any conflicting software.

Insomnia Offline Installer FAQ

What types of APIs can Insomnia test?
Insomnia can test both REST and GraphQL APIs, providing a flexible environment for developers. It supports various authentication methods, which enhances its usability across different API services.
Can Insomnia import existing API definitions?
Yes, Insomnia supports importing API definitions in formats such as OpenAPI and Postman collections. This feature facilitates easy integration into existing workflows and enhances collaboration among development teams.

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