tidy-html5

by HTML Tidy Advocacy Community Groupv5.8.0

Last updated Jun 8, 2026

The granddaddy of HTML tools, with support for modern standards

Install with winget

$ winget install --id HTACG.tidy --exact --version 5.8.0

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

Silent install command for tidy-html5

tidy-html5 uses EXE (NSIS). The silent install switches are /S.

One-line silent install (x64)

tidy-5.8.0-win64.exe /S

See the full silent install reference for tidy-html5 →

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Installers · v5.8.0

Architecture	Type	Scope	Install	Download
x64	EXE NSIS	-		Direct
x64	MSI WiX	-		Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

2 known CVEs via NVD

low3.3Fix availableCVE-2025-6498affects v5.8.0Jun 22, 2025
A vulnerability classified as problematic has been found in HTACG tidy-html5 5.8.0. Affected is the function defaultAlloc of the file src/alloc.c. The manipulation leads to memory leak. It is possible to launch the attack on the local host. The exploit has been disclosed to the...
critical9.8Patched in wingetCVE-2021-33391affects v5.7.28Feb 17, 2023
An issue in HTACG HTML Tidy v5.7.28 allows attacker to execute arbitrary code via the -g option of the CleanNode() function in gdoc.c.
Patch

Source: NVD, updated 5h ago. Patch status is best-effort: NVD's fix version is compared against the latest version in winget, but the two version formats don't always align. Confirm with the vendor advisory before treating any specific build as safe.

See a CVE that affects your fleet? Push the patched version to Intune in one click with Pckgr.

Frequently asked questions

How do I install tidy-html5 on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id HTACG.tidy --exact --version 5.8.0. winget downloads the installer from HTML Tidy Advocacy Community Group and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install tidy-html5 silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id HTACG.tidy --exact 5.8.0 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

What are the silent install switches for tidy-html5?

tidy-html5 uses EXE (NSIS). Run the downloaded installer with: tidy-5.8.0-win64.exe /S. The silent switches are /S.

How do I uninstall tidy-html5 via winget?

Run: winget uninstall --id HTACG.tidy --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from tidy-html5's Apps & Features entry.

Is tidy-html5 free?

tidy-html5 is distributed under Proprietary. Refer to the publisher (https://github.com/htacg/tidy-html5) for the full license terms - Wingetly itself does not charge for installation.

Does tidy-html5 work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls tidy-html5 directly from the publisher.

How do I keep tidy-html5 up to date?

Run winget upgrade --id HTACG.tidy --exact, or winget upgrade --all to update everything winget tracks. We index 1 version of tidy-html5 from microsoft/winget-pkgs.