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wtf is kdbxweb?

frenzzy/kdbxweb — explained in plain English

Analysis updated 2026-07-18 · repo last pushed 2016-09-24

JavaScriptAudience · developerComplexity · 3/5DormantSetup · easy

TL;DR

KdbxWeb is a JavaScript library for reading and editing KeePass (.kdbx) password database files directly in a browser or Node.js, handling encryption securely.

Mindmap

mindmap
  root((repo))
    What it does
      Opens kdbx files
      Decrypts and encrypts data
      Edits entries and folders
      Merges database versions
    Tech stack
      JavaScript
      Web crypto
      Node.js
    Use cases
      Build password managers
      Secure note apps
      Team KeePass access
    Audience
      Web developers
    Notable features
      Runs in old browsers
      Compact 150KB size
      Powers KeeWeb

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Build a web-based password manager that opens and edits KeePass .kdbx files.

REASON 2

Create a team tool that lets multiple people access a shared KeePass database without desktop software.

REASON 3

Merge two offline-edited copies of the same password database back into one.

REASON 4

Build a secure note-taking app reusing KeePass's encrypted file format.

What's in the stack?

JavaScriptNode.js

How it stacks up

frenzzy/kdbxweb3rd-eden/ircb.ioa15n/a15n
LanguageJavaScriptJavaScriptJavaScript
Last pushed2016-09-242016-11-162019-04-07
MaintenanceDormantDormantDormant
Setup difficultyeasyeasyeasy
Complexity3/52/52/5
Audiencedeveloperdevelopergeneral

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · easy Time to first run · 30min

Merge feature has edge-case tradeoffs with history and metadata needing a central source of truth.

Yoink these prompts

Prompt 1
Show me how to open and decrypt a .kdbx file using kdbxweb with a password.
Prompt 2
Help me build a simple web page that lists entries from a KeePass database using this library.
Prompt 3
Explain how kdbxweb's merge feature combines two edited copies of the same database.
Prompt 4
Walk me through creating a new entry and folder in a kdbx database and saving it back encrypted.
Prompt 5
Help me understand why kdbxweb stores passwords XOR'd in memory instead of as plain text.

Frequently asked questions

wtf is kdbxweb?

KdbxWeb is a JavaScript library for reading and editing KeePass (.kdbx) password database files directly in a browser or Node.js, handling encryption securely.

What language is kdbxweb written in?

Mainly JavaScript. The stack also includes JavaScript, Node.js.

Is kdbxweb actively maintained?

Dormant — no commits in 2+ years (last push 2016-09-24).

How hard is kdbxweb to set up?

Setup difficulty is rated easy, with roughly 30min to a first successful run.

Who is kdbxweb for?

Mainly developer.

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