Skip to content
Back to the index

Cert Companion

visualstudio.comOther security & compliance

No liveness check has reached it yet; it is registered on the VS Code Marketplace and has been in the index since 16 Sep 2026. How this is checked

Cert Companion is a Visual Studio Code extension for decoding PEM, CRT, CER, and DER X.509 certificates. It displays subjects, issuers, validity periods, and fingerprints locally in the editor, supporting developers and security teams working with SSL/TLS certificates.

Inferred · not functionally tested

FreeWebWindowsmacOSLinux
Visit visualstudio.com

Overview

6 features

Purpose: Helps developers inspect X.509 certificate details without uploading sensitive certificate data outside their editor.

Inferred · not functionally tested

Audience: developers and security engineers

Inferred · not functionally tested

Functions: data_extraction

Inferred · not functionally tested

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, windows, macos, linux

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: unknown.

Cert Companion sits in PulseGate's Other security & compliance category. Inferred · not functionally tested: It helps developers inspect X.509 certificate details without uploading sensitive certificate data outside their editor. Inferred · not functionally tested: It is built as a B2B product for developers and security engineers. Basis unknown · not verified: It is available for free. Basis unknown · not verified: It runs on the web, Windows, macOS, and Linux.

Behind Cert Companion is Gap Hunter Labs, and it first shipped in 2026. Inferred · not functionally tested: Key capabilities include certificate decoding, PEM support, and DER support.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Certificate decoding
  • PEM support
  • DER support
  • X.509 inspection
  • Fingerprint display
  • Validity inspection

Topics: Inferred · not functionally tested

Tags
x509-certificatespem-decodertls-inspectioncertificate-fingerprints

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserWindowsmacOSLinux

Trust & compliance

Public signals
HTTPSFree tierStore listing found

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed16 Sep · 11:25 UTC
    Cert Companion seen via VS Code Marketplace
    Source: VS Code Marketplace · Open

Frequently asked questions about Cert Companion

What is Cert Companion?
Inferred · not functionally tested: Cert Companion helps developers inspect X.509 certificate details without uploading sensitive certificate data outside their editor. It is catalogued under Other security & compliance on PulseGate.
Who is Cert Companion for?
Inferred · not functionally tested: Cert Companion is a B2B product built for developers and security engineers.
Is Cert Companion free?
Basis unknown · not verified: Yes — Cert Companion is free to use.
What platforms does Cert Companion run on?
Basis unknown · not verified: Cert Companion runs on the web, Windows, macOS, and Linux.
Is Cert Companion still active?
Unverified. Cert Companion 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 projects are similar to Cert Companion?
Similar projects tracked by PulseGate include Dev Companion, Agent Companion, and Dev Companion AI.Dev CompanionAgent CompanionDev Companion AI
Who develops Cert Companion?
Cert Companion is developed by Gap Hunter Labs.
When did Cert Companion launch?
Cert Companion first shipped in 2026.

Similar projects

Closest matches by what these projects do