Search...Search plugins and themes...
⌘K
Sign in
  • Get started
  • Download
  • Pricing
  • Enterprise
  • Account
  • Obsidian
  • Overview
  • Sync
  • Publish
  • Canvas
  • Mobile
  • Web Clipper
  • CLI
  • Learn
  • Help
  • Developers
  • Changelog
  • About
  • Roadmap
  • Blog
  • Resources
  • System status
  • License overview
  • Terms of service
  • Privacy policy
  • Security
  • Community
  • Plugins
  • Themes
  • Discord
  • Forum / 中文论坛
  • Merch store
  • Brand guidelines
Follow us
DiscordTwitterBlueskyThreadsMastodonYouTubeGitHub
© 2026 Obsidian

Duplicate Detector

wishmaterwishmater2k downloads

Highlights duplicate lines in the open note.

Add to Obsidian
  • Overview
  • Scorecard
  • Updates3

Highlights duplicate lines in the active open note. Hovering over a highlighted line will show a tooltip with the line number where it is duplicated.

Example 1

Also, a notice is shown when pasting new lines that are already duplicates of existing lines in the file.

Motivation

When using obsidian notes to keep track of items, such as web links. I often don't know if the item I'm about to add already exists, and end up duplicating the same item multiple times, this plugin helps prevent this.

Possible future improvements:

  • Detect duplicate links, instead of lines.
  • Settings for excluding / including files and folders.
  • Detect duplicates across different files (in-editor or in a dedicated view).
  • Add command / shortcut to go to next occurrence of duplication.
HealthGood
ReviewSatisfactory
About
Highlight duplicate lines in the active note and show the matching line number on hover. Display a notice when pasted text contains lines that already exist so you can avoid accidental duplicates.
AnnotationEditing
Details
Current version
0.0.3
Last updated
Last year
Created
2 years ago
Updates
3 releases
Downloads
2k
Compatible with
Obsidian 0.15.0+
Platforms
Desktop, Mobile
License
MIT
Report bugRequest featureReport plugin
Author
wishmaterwishmater
GitHubwishmater
  1. Community
  2. Plugins
  3. Annotation
  4. Duplicate Detector

Related plugins

Advanced Tables

Improved table navigation, formatting, and manipulation.

Meta Bind

Make your notes interactive with inline input fields, metadata displays, and buttons.

Outliner

Work with your lists like in Workflowy or Roam Research.

Admonition

Admonition block-styled content.

Creases

Tools for effectively folding Markdown sections.

LanguageTool Integration

advanced spell/grammar checks with the help of language-tool.

MetaEdit

Manage your metadata.

Various Complements

Complete words similar to auto-completion in an IDE.

Simplified Chinese Word Splitting

Adds Simplified Chinese word splitting support for the editor and Vim mode.

CSS Editor

Edit CSS snippet files.