Hacker ApprovedDepartments

binwalk

Ranked 7 of 9 reverse engineering tools by recommenders

Recommended for opening unknown files and finding hidden data inside them. One critic called it nearly useless next to an unnamed alternative.

Recommended for opening unknown files and finding hidden data inside them. One critic called it nearly useless next to an unnamed alternative.

7 people gave an opinion

recommend it
6
criticize it
1
approval share
86%
Each figure is one person. RecommendsCriticizes

Recommended in 4 of 13 months

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

Why it doesn’t carry the badge

  • 6 people recommend itNeeds 10 or more, not met.
  • 6 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 4 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

  • Finds hidden data inside files

    “Just use file and binwalk to figure out what it is and break it open.”

    Comment from 25 Apr 2026 in “My audio interface has SSH enabled by default”

    “binwalk if you want to find the juice within the file”

    Comment from 25 Aug 2026 in “Visualizing Binary Files”
  • Go-to for mysterious files

    “Just use file and binwalk to figure out what it is and break it open.”

    Comment from 25 Apr 2026 in “My audio interface has SSH enabled by default”

    “that's usually my goto for mysterious files”

    Comment from 28 Jan 2026 in “Show HN: Extracting React apps from Figma Make's undocumented binary format”

Other reverse engineering tools people recommend

The four most recommended other reverse engineering tools, 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.

binwalk compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Ghidra802080%13—Approved
GhidraMCP301173%10—Approved
IDA Pro25778%9—Approved
REA Reverse-Engineer Anything14961%2——
binwalkThis page6186%4——
See all 9 reverse engineering tools, ranked

What people said

6 of the 7 comments that mention it, newest first. Each links to the original comment.

“binwalk if you want to find the juice within the file”

RecommendsComment from 25 Aug 2026 in “Visualizing Binary Files”

“give it a rip, you will be surprised by how distinct the entropy graph is”

RecommendsComment from 22 Jul 2026 in “My USB Drive Has a Hidden Encrypted Vault”

“Just use file and binwalk to figure out what it is and break it open.”

RecommendsComment from 25 Apr 2026 in “My audio interface has SSH enabled by default”

“makes binwalk almost useless in comparison”

CriticizesComment from 24 Apr 2026 in “Your hex editor should color-code bytes”

“It would likely have identified the separate deflate and zstd chunks automatically.”

RecommendsComment from 28 Jan 2026 in “Show HN: Extracting React apps from Figma Make's undocumented binary format”

“that's usually my goto for mysterious files”

RecommendsComment from 28 Jan 2026 in “Show HN: Extracting React apps from Figma Make's undocumented binary format”

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