Asn helps developers write and format ASN.1 files in Visual Studio Code. It is catalogued under Browser DevTools & extensions on PulseGate.

Asn is a B2B product built for developers working with ASN.1 specifications.

What platforms does Asn run on?

Asn runs on the web, Windows, macOS, and Linux.

Is Asn still maintained?

Unverified. Asn has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to Asn?

Similar projects tracked by PulseGate include "Can I React?", HTML-Essentials, and AJAX Admin Navigation Sidebar AJAX.

Asn is developed by Jonathan M. Wilbur.

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Asn

Name: Asn
Author: Jonathan M. Wilbur

visualstudio.comBrowser DevTools & extensions

A Visual Studio Code extension providing ASN.1 syntax highlighting, snippets, and formatting support. It is intended for developers creating and maintaining ASN.1 specifications and related BER or DER data definitions.

FreeWebWindowsmacOSLinux

Visit visualstudio.com

Overview

4 features

Asn sits in PulseGate's Browser DevTools & extensions category. It helps developers write and format ASN.1 files in Visual Studio Code. It is built as a B2B product for developers working with ASN.1 specifications. Asn costs nothing to use. It runs on the web, Windows, macOS, and Linux.

It is developed by Jonathan M. Wilbur, and it first shipped in 2018. Among its 4 catalogued features are syntax highlighting, code snippets, and code formatting.

Syntax highlighting
Code snippets
Code formatting
ASN.1 support

Built with & integrations

Runs on

BrowserWindowsmacOSLinux

Trust & compliance

Verified signals

HTTPSFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed27 Aug · 15:00 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about Asn

What does Asn do?: Asn helps developers write and format ASN.1 files in Visual Studio Code. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use Asn?: Asn is a B2B product built for developers working with ASN.1 specifications.
Does Asn have a free plan?: Yes — Asn is free to use.
What platforms does Asn run on?: Asn runs on the web, Windows, macOS, and Linux.
Is Asn still maintained?: Unverified. Asn has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to Asn?: Similar projects tracked by PulseGate include "Can I React?", HTML-Essentials, and AJAX Admin Navigation Sidebar AJAX."Can I React?"HTML-Essentials AJAX Admin Navigation Sidebar AJAX
Who develops Asn?: Asn is developed by Jonathan M. Wilbur.
How long has Asn been around?: Asn first shipped in 2018.

At a glance

Platforms: Web
Languages: English
First seen: 27 Aug 2026
Built for: developers working with ASN.1 specifications
Model: B2B
Solves: Helps developers write and format ASN.1 files in Visual Studio Code.

Registered as

VS Code Marketplace: wildboar.asn1

Developer

Jonathan M. Wilbur

Index record

Identity confidence: High · 91
Indexed: 27 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 27 Aug 2026

Identity audit (12)

Slug: asn-1-visualstudio-com
Lifecycle state recorded: 27 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 27 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Languages from: Detected by a language model from page content.
Last updated: 27 Aug 2026
Canonical URL: https://marketplace.visualstudio.com/items?itemName=wildboar.asn1

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