This page's audience our own tag's counts — open to see them

Period

–Visits

–Page views

–Clicks to vendors

–Time on page

–Reading now

Clicks to vendors, by tool

Top countries

Devices

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Obsidian

Freemium#19 of 28 in Executable Packers

Obsidian: A free Windows PE packer with encryption, multi-architecture support, and runtime defenses. Ranked #19 of 28 in Executable Packers by our editors (6.4/10); pricing: Free plan; best for free multi-architecture PE protection.

6.4/10Editor score

Visit Obsidian

Obsidian6.4 Visit Obsidian

At a glance

Editor score
6.4 / 10
Pricing
Free plan
Best for
Free multi-architecture PE protection
Free plan
Yes
Protection features
Yes
Facts checked
20 Sep 2026

Where it wins
- Free Community Edition supports x64 and ARM64 PE executables
- Combines section encryption, obfuscation, and runtime decryption
- Packs PyInstaller files with integrity and anti-debugging features
Where it doesn't
- Windows-only support limits platform coverage
- Focuses on PE, EXE, and PyInstaller one-file executables
- Pro-only capabilities include SPECK encryption and aPLib compression

Our verdict on Obsidian

Obsidian is a portable executable packer and obfuscation suite for Windows binaries targeting x64 and ARM64 architectures. It is intended for developers and teams that need to protect PE, EXE, or PyInstaller one-file executables. The free Community Edition provides open-source xorshift64+ obfuscation, while the licensed Pro edition extends the protection set with SPECK encryption, optional aPLib compression, integrity checks, anti-debugging, and anti-sandbox capabilities.

Its standout feature is the combination of static protection and runtime restoration. Obsidian encrypts executable sections, adds a runtime decryption stub, redirects the entry point, restores PE directories, resolves imports, and applies relocations at runtime. That gives it a focused workflow for protecting Windows binaries across x64 and ARM64, while PyInstaller executable packing broadens its usefulness for Python applications distributed as one-file executables. Integrity verification and runtime defenses add further protection against tampering, debugging, and sandbox analysis.

Obsidian is a strong fit when Windows PE protection, multi-architecture support, and a free starting tier matter most. Its scope is narrower for teams distributing software across other operating systems or formats outside PE-family binaries. Buyers should also distinguish the Community Edition from Pro: the editions use different protection capabilities, and Pro is licensed rather than part of the free offering. Choose it for focused Windows executable protection; consider an alternative when cross-platform packaging or a broader binary ecosystem is central to the workflow.

Your product? Our editors can test Obsidian in depth and publish a review, labelled as paid · from $149/mo →

Obsidian pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 20 Sep 2026.

See plans on docs.obsidian.st

Obsidian fact sheet

Free plan	Yes
Paid from	Not verified
Supported platforms	Windows
Binary formats	PE (Portable Executable), EXE, PyInstaller one-file executable
Compression levels	Not verified
Protection features	Yes
Architecture support	Multi-architecture
License model	Custom
Deployment	Desktop
Platforms	Windows
Built for	Solo, Small business (editorial estimate)
Pricing	Free plan
Website	docs.obsidian.st
Facts checked	20 Sep 2026

Alternatives to Obsidian

See all Obsidian alternatives →

Used Obsidian? Be the first to review it

The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Obsidian for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

Write a reviewTwo minutes · verified accounts only · read by an editor before it appears

Reviews come only from verified accounts. Sign in or create an account first — your e-mail is never shown.

Title

Your review

0 characters · at least 80, up to 3,000

Pros (optional · one per line)

Cons (optional · one per line)

Your name (shown with your review)

Role (optional)

Company (optional)

How long have you used it?

I've used Obsidian myself and this is my honest opinion — nobody paid or asked me to write it.

Posted from your verified account. Reviews appear after an editor reads them, usually within two working days.

Featured on iTechGuides

Obsidian is listed in our Executable Packers directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/obsidian-executable-packer/"><img src="https://www.itechguides.com/best/badge/obsidian-executable-packer.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update