Hacker ApprovedDepartments

WizTree

Hacker Approved

Ranked 3 of 7 disk usage analyzers by recommenders

Fast disk space analyzer that reads NTFS file system metadata instead of scanning every file, so it shows what is using storage almost instantly on Windows.

Fast disk space analyzer that reads NTFS file system metadata instead of scanning every file, so it shows what is using storage almost instantly on Windows.

12 people gave an opinion

recommend it
12
criticize it
0
approval share
100%
Each figure is one person. RecommendsCriticizes

Recommended in 6 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it carries the badge

  • 12 people recommend itNeeds 10 or more, met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 6 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Very fast by reading file metadata

    “It reads directly from the file system metadata tables instead of having to scan the whole filesystem, so the file tree loads much faster.”

    Comment from 3 Jan 2026 in “WinDirStat: Disk usage statistics viewer for Microsoft Windows clients, servers”

    “load the file system indices and works almost instantly”

    Comment from 8 Feb 2026 in “Voidtools Everything – Locate files and folders by name instantly”

    “it's really fast for NTFS”

    Comment from 16 Jul 2026 in “Show HN: Leaves – a text-UI disk usage treemap visualizer”
  • Much faster than WinDirStat

    “Orders of magnitude faster than windirstat”

    Comment from 30 Dec 2025 in “Flame Graphs vs. Tree Maps vs. Sunburst (2017)”

    “a lot faster than WinDirStat”

    Comment from 16 Jul 2026 in “Show HN: Leaves – a text-UI disk usage treemap visualizer”
  • Standard Windows tool for disk usage

    “very common tools from Windows admin toolkits”

    Comment from 2 Mar 2026 in “Anthropic Cowork feature creates 10GB VM bundle on macOS without warning”

    “Windows equivalent: WizTree”

    Comment from 29 Dec 2025 in “Flame Graphs vs. Tree Maps vs. Sunburst (2017)”
  • Shows what is consuming storage

    “is great for figuring out what's consuming your storage space”

    Comment from 25 Jul 2026 in “Harddrive Is Probably Full”

    “I wish there was something as fast as WizTree for Linux.”

    Comment from 29 Dec 2025 in “Flame Graphs vs. Tree Maps vs. Sunburst (2017)”

Other disk usage analyzers people recommend

The four most recommended other disk usage analyzers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

WizTree compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
ncdu22196%7—Approved
Leaves160100%1——
WizTreeThis page120100%6—Approved
GrandPerspective110100%5—Approved
WinDirStat11285%5—Approved
See all 7 disk usage analyzers, ranked

What people said

12 of the 13 comments that mention it, newest first. Each links to the original comment.

“is great for figuring out what's consuming your storage space”

RecommendsComment from 25 Jul 2026 in “Harddrive Is Probably Full”

“it's really fast for NTFS”

MixedComment from 16 Jul 2026 in “Show HN: Leaves – a text-UI disk usage treemap visualizer”

“a lot faster than WinDirStat”

RecommendsComment from 16 Jul 2026 in “Show HN: Leaves – a text-UI disk usage treemap visualizer”

“they've all been around for over a decade”

RecommendsComment from 23 Mar 2026 in “Windows native app development is a mess”

“third-party tools that Microsoft really need to adopt”

RecommendsComment from 20 Mar 2026 in “Our Commitment to Windows Quality”

“very common tools from Windows admin toolkits”

RecommendsComment from 2 Mar 2026 in “Anthropic Cowork feature creates 10GB VM bundle on macOS without warning”

“load the file system indices and works almost instantly”

RecommendsComment from 8 Feb 2026 in “Voidtools Everything – Locate files and folders by name instantly”

“It reads directly from the file system metadata tables instead of having to scan the whole filesystem, so the file tree loads much faster.”

RecommendsComment from 3 Jan 2026 in “WinDirStat: Disk usage statistics viewer for Microsoft Windows clients, servers”

“Orders of magnitude faster than windirstat”

RecommendsComment from 30 Dec 2025 in “Flame Graphs vs. Tree Maps vs. Sunburst (2017)”

“I wish there was something as fast as WizTree for Linux.”

RecommendsComment from 29 Dec 2025 in “Flame Graphs vs. Tree Maps vs. Sunburst (2017)”

“Windows equivalent: WizTree”

RecommendsComment from 29 Dec 2025 in “Flame Graphs vs. Tree Maps vs. Sunburst (2017)”

“If it comes down to FOSS/freeware stuff I am actually quite fond of Windows ecosystem.”

RecommendsComment from 18 Nov 2025 in “Windows 11 adds AI agent that runs in background with access to personal folders”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.