• Link to X Link to X Link to X
  • Link to Facebook Link to Facebook Link to Facebook
  • Link to Youtube Link to Youtube Link to Youtube
  • Link to Reddit Link to Reddit Link to Reddit
  • Link to Rss Link to Rss Link to Rss
  • Blog
  • Support
    • FAQ
    • Help (HTML)
    • Manual (PDF)
    • Forums (read-only)
    • Library (GitHub)
    • Update/Resend Registration Keys
    • Contact Us
  • About
    • About Emurasoft
    • Meet the Team
    • Other Products
    • Awards
    • Privacy Policy
    • Go to Emurasoft Customer Center
  • 🌐 English
    • 日本語
    • 한국어
    • Deutsch
    • 简体中文
    • 繁體中文
  • Download
  • Buy
  • Features
  • Menu Menu

New in Version 15.4

October 13, 2015

  • Improved Speed
  • More CSV Related Features
  • Remember Visited Links
  • Other New Features

Improved Speed

EmEditor is constantly improving its speed to execute tasks. This new version has greatly improved the speed of Delete Bookmarked Lines command and Compare command.

Test results:

v15.3.0 v15.4.0
Delete bookmarked lines *1 17.6 seconds 0.09 seconds
Compare *2 66 seconds 0.39 seconds


*1 1,000,000 line text file, 49,401 bookmarks.
*2 200,000 line text file, 1,600 differences.
Windows 10 (64-bit) Core i7-4790 16GB RAM

More CSV Related Features

The new version allows you to sort text at the current column by the number of words. You can simply use the Sort Fewest to Most Words and Sort Most to Fewest Words radio buttons in the Sort by Multiple Columns dialog box.

Moreover, in the Join CSV dialog box, the Simply Merge (No Keys) check box was added so that you can merge two CSV documents without any key.

Remember Visited Links

EmEditor v15.4 allows you to remember all the URLs, mail addresses, and Find in Files hyperlinks that you have visited. You either enable or disable the feature using the Remember Visited Links check box in the Link tab of configuration properties.

You can also customize the color used to highlight visited URLs, mail addresses, and Find in Files hyperlinks in the Display tab of configuration properties

Other New Features

New features

  • Added the base64 encoding related commands (see New Commands below).

New options

  • The Always Show 1 Line above/below Cursor check box was added to the Scroll tab of configuration properties.
  • The Marks tab of the Customize dialog box was renamed to Marks/Format, and allows you to set the date/time formats used when you insert time and date.
  • The Apply to All check box was added to the dialog box displayed when invalid characters were contained in a file when opening a file.

New commands

  • Base64 to Plain Text (Current Encoding)
  • Plain Text to Base64 (Current Encoding)
  • Base64 to Plain Text (UTF-8)
  • Plain Text to Base64 (UTF-8)
  • Base64 to Binary File
  • Binary File to Base64
  • Sort Fewest to Most Words
  • Sort Most to Fewest Words
  • Clear Visited Link History

Plug-in New Features

  • View Lines and Pages were added to the query type in the Word Count plug-in.

Plug-in API New Features

  • The EI_GET_PRINT_PAGES parameter was added to the EE_INFO message (Editor_Info inline function).
  • EEID_DECODE_BASE64, EEID_ENCODE_BASE64, EEID_DECODE_BASE64_UTF8, EEID_ENCODE_BASE64_UTF8, EEID_DECODE_BASE64_BINARY, EEID_ENCODE_BASE64_BINARY, EEID_SORT_WORDS_A, EEID_SORT_WORDS_D, and EEID_CLEAR_VISIT_HISTORY commands were added.

Macro New Features

  • The eeJoinSimpleMerge flag was added to the Join method.

← New in Version 15.5 New in Version 15.3 →

  • Text Editing
    • Batch Replace
    • Binary Editing
    • Bracket/Quotation Mark Auto-Complete
    • Clipboard History
    • Compare Documents
    • EditorConfig Support
    • Filter Bar
    • Find and Replace
    • Format Selection
    • Fuzzy Matching
    • Language Server Protocol Support
    • Multiple Selection Editing
      • How to use Vertical Editing
    • Number Range Expression for Find and Replace
    • Regular Expressions
    • Syntax Checker for HTML, CSS, JSON, XML
    • Syntax Highlighting
  • Powerful CSV Tools
    • Autofill
    • Combine Lines
    • Combine/Split Columns
    • CSV Converter
    • Custom CSV formats
    • Delete Duplicate Lines
    • Extract Columns
    • Extract Frequent Strings
    • Flash Fill
    • Freeze header
    • Insert lines/columns
    • Join CSV
    • Manage Columns
    • Numbering
    • Pivot table
    • Sort
    • Transpose
  • Large File Support
    • Fast Processing of Large Files
    • Large File Controller
    • Large Files up to 16 TB
    • Lightweight, multithreaded design
    • Split and Combine Files
  • User Experience
    • Configurations
    • Customizable Interface
    • Customizable toolbars
    • Document Groups
    • International language and locale support
    • Markers
    • Quick Launch
    • Split window
    • Start Window
    • Tabbed Design
    • Workspace Memory
  • Extensibility
    • AI Assisted Writing
    • AI Toolbar
    • Chat with AI
    • External Tools
    • Plug-ins
      • CommitList Plug-in
      • Explorer Plug-in
      • HTML Bar Plug-in
      • Open Documents Plug-in
      • Projects Plug-in
      • Search Plug-in
      • Snippets Plug-in
        • How to Use Zen Coding
      • Web Preview Plug-in
      • Word Complete Plug-in
      • Word Count Plug-in
    • Scriptable Macros
  • More Features
    • Base64
    • Bookmarks
    • Character Check
    • Character Code Value
    • Customer support
    • Drag and Drop
    • Error Handler and Crash Recovery
    • Fast 64-bit Build
    • Full Screen View
    • Grab Text
    • Half-width/Full-width conversion
    • HTML Character References
    • Jump
    • Markdown Editor
    • Marks
    • Matching Tag Highlight
    • Messaging (plug-in)
    • MIME Encoded-Word
    • Multiple File Encoding Conversions
    • Narrowing
    • Offline Registration
    • Outline
    • Percent-encoding
    • Pin to List
    • Portability Options
    • Privacy-first
    • Quick Start
    • Save to Protected Folder
    • Spellcheck
    • Status Window
    • Tooltip to show HTML/XML character references
    • Unicode Normalization
    • Unicode Support
    • Universal Character Name
    • Uppercase/Lowercase conversion
    • Wildcard Support
    • Windows 11/10 Compatibility
    • CSV
  • History
    • New in Version 26.2
    • New in Version 26.1
    • New in Version 26.0
    • New in Version 25.4
    • New in Version 25.3
    • New in Version 25.2
    • New in Version 25.1
    • New in Version 25.0
    • New in Version 24.5
    • New in Version 24.4
    • New in Version 24.3
    • New in Version 24.2
    • New in Version 24.1
    • New in Version 24.0
    • New in Version 23.1
    • New in Version 23.0
    • New in Version 22.5
    • New in Version 22.4
    • New in Version 22.3
    • New in Version 22.2
    • New in Version 22.1
    • New in Version 22.0
    • New in Version 21.9
    • New in Version 21.8
    • New in Version 21.7
    • New in Version 21.6
    • New in Version 21.5
    • New in Version 21.4
    • New in Version 21.3
    • New in Version 21.2
    • New in Version 21.1
    • New in Version 21.0
    • New in Version 20.9
    • New in Version 20.8
    • New in Version 20.7
    • New in Version 20.6
    • New in Version 20.5
    • New in Version 20.4
    • New in Version 20.3
    • New in Version 20.2
    • New in Version 20.1
    • New in Version 20.0
    • New in Version 19.9
    • New in Version 19.8
    • New in Version 19.7
    • New in Version 19.6
    • New in Version 19.5
    • New in Version 19.4
    • New in Version 19.3
    • New in Version 19.2
    • New in Version 19.1
    • New in Version 19.0
    • New in Version 18.9
    • New in Version 18.8
    • New in Version 18.7
    • New in Version 18.6
    • New in Version 18.5
    • New in Version 18.4
    • New in Version 18.3
    • New in Version 18.2
    • New in Version 18.1
    • New in Version 18.0
    • New in Version 17.9
    • New in Version 17.8
    • New in Version 17.7
    • New in Version 17.6
    • New in Version 17.5
    • New in Version 17.4
    • New in Version 17.3
    • New in Version 17.2
    • New in Version 17.1
    • New in Version 17.0
    • New in Version 16.9
    • New in Version 16.8
    • New in Version 16.7
    • New in Version 16.6
    • New in Version 16.5
    • New in Version 16.4
    • New in Version 16.3
    • New in Version 16.2
    • New in Version 16.1
    • New in Version 16.0
    • New in Version 15.9
    • New in Version 15.8
    • New in Version 15.7
    • New in Version 15.6
    • New in Version 15.5
    • New in Version 15.4
    • New in Version 15.3
    • New in Version 15.2
    • New in Version 15.1
    • New in Version 15.0
    • New in Version 14.9
    • New in Version 14.8
    • New in Version 14.7
    • New in Version 14.6
    • New in Version 14
    • New in Version 13
    • New in Version 12
    • New in Version 11
    • New in Version 10
    • New in Version 9
    • New in Version 8
    • New in Version 7
    • New in Version 6
    • New in Version 5
    • New in Version 4
    • Basic Features
  • EmEditor Free
  • Compare Desktop Installer (MSI), Desktop Portable, and Old Store App (UWP) Versions

Download and try the “world's fastest text editor” now. (Source: ZDNet)

Download Download Free Download

Copyright © 1995-2026 by Emurasoft, Inc.
Download | Buy | Features | Blog | Support | About | Privacy Policy
日本語 | Deutsch | 한국어 |简体中文 | 繁體中文

Scroll to top Scroll to top Scroll to top