• “World’s fastest text editor.”

    Differentiate yourself with a fast, lightweight, extendable text editor for windows. Let EmEditor help you achieve your goals!

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  • Big Data with EmEditor

    EmEditor’s new CSV and Filter features give you a fast solution to sorting and searching big data files.

    New in Latest Version
  • World’s most loved text editor

    EmEditor supports Unicode as well as many international encodings. EmEditor is one of most loved text editors all over the world!

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  • Large File Support

    EmEditor is capable of opening very large files — up to 16 TB or 1,099 billion lines — with only a little memory, leaving you free to work as large or small as you please.

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  • EmEditor Store Apps!

    Store Apps are available now from Microsoft Store

    Get Store App (64-bit)Get Store App (32-bit)

Text Editor for Windows

EmEditor is a fast, lightweight, yet extensible, easy-to-use text editor for Windows. Both native 64-bit and 32-bit builds are available, and moreover, the 64-bit includes separate builds for SSE2 (128-bit), AVX-2 (256-bit), and AVX-512 (512-bit) instruction sets.

ZDnet.com’s Ed Burnette called EmEditor the “World’s fastest text editor.” Read full review.

Japanese website “Mado-no-mori” remarked No need for Excel. Most powerful CSV editor. Read full review (translation).

Riccardo Tani, Cyber Defense Manager, recommends EmEditor for Digital Forensics and Incident Response (DFIR) and log analysis. Read full review.

The text editor supports powerful macros, Unicode, and very large files. Emurasoft’s timeless mission is to achieve our clients’ needs and wants by listening to them with empathy and expertise. We value timely customer support, and are honored to have distinguished users, including major corporations, educational institutions, institutions of the European Union, ministries of Japan, and governments from all over the world.

EmEditor has won over 24 International awards, including the Shareware Industry Award in the Best Apps category. EmEditor has also earned Windows 10 certification from Microsoft.


EmEditor Free & EmEditor Professional

User interface languages: Czech, Dutch, English (U.K.), English (U.S.), French, German, Italian, Spanish, Japanese, Korean, Simplified Chinese, Traditional Chinese, and Russian.

Supported OS: Windows 11/10/8.1/7/Server 2008 R2 or later.

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  • License Type
  • $39.99
  • License valid for
  • Fee after first year
  • Desktop App: Annual Subscription
  • $39.99
  • 1 year
  • $19.99/year (50% of the first year price)


We fully stand behind our product and provide you an unconditional guarantee. If you are not fully satisfied with EmEditor, for any reason, simply let us know within 90 days from your purchase date and we will refund you the full purchase price – no questions asked (Store Apps excluded).

Subscriptions for Store Apps are sold separately from licenses for Desktop Apps. Registration keys that were purchased through the above links cannot be used for Store Apps. Store Apps are available only at Microsoft Store (64-bit or 32-bit).

  • Full license to use the software beyond the 30-day evaluation.
  • Free reissue of the registration key if lost. Store Apps don’t require registration keys.
  • Free technical support by e-mail.
Number of licensesAnnual SubscriptionLifetime*
1-2 license(s)@US$39.99@US$179.99
3-9 licenses@US$31.66@US$142.99
10-29 licenses@US$26.99@US$122.99
30-99 licenses@US$22.33@US$99.99
100-299 licenses@US$15.99@US$71.99
300-999 licenses@US$11.66@US$51.99
1,000+ licenses@US$6.99@US$31.99

Desktop Apps (non-Store Apps) only.
Maintenance: Updates are available half the license price per year after one year for annual subscriptions.

* If you would like to buy lifetime licenses instead of subscriptions, you can buy lifetime licenses here.

Licensing for Desktop (Non-Store) Apps

  • You must obtain a license for each computer you install the software on. Therefore, a license is needed for each terminal computer on a network, including remote terminal computers. If this software is for personal use and not installed on corporate computers, you can install up to 5 computers for your use only.
  • You may install a second copy of EmEditor for your own personal use on either a portable computer or a computer located at your home as long as EmEditor is not used simultaneously on both computers.
  • You may also install a second copy of EmEditor for your own personal use on a virtual PC on the same host computer on which your first copy of EmEditor is installed.
  • If this software is installed on a portable drive such as a USB drive, the portable drive is equivalent to one computer as described above.

Licensing for Store Apps

  • Licensing for the store app is subject to the Store Terms of Sale, which allows you to install an app up to 10 devices while signed in to your Microsoft account.

We don’t offer academic licenses anymore, however you may purchase a store app with the same low price as the former academic license. All prices may be changed at any time without prior notice.

EmEditor Text Editor Features

Multiple Selections

Multiple Selection mode allows you to edit text fast, and even to Sort or Delete Duplicate Lines only in selected column ranges.

Number Range Expressions

EmEditor allows you to filter text documents and CSV documents with number ranges.

Replacement Expressions using JavaScript

EmEditor allows you to use replacement expressions using JavaScript.

AutoFill and Flash Fill

EmEditor allows you to drag the bottom right corner of the selected cell border (AutoFill handle) to copy the same value as the selected cell to the up, down, right, or left neighboring cell(s).

CSV, Filter Bar, and Sort

The new version enhances CSV features and adds the Filter toolbar. It’s a best tool to analyze big data and database files.

Snippets Plug-in

The Snippets plug-in allows you to insert words, phrases, and interactive pieces of code quickly. The video demonstrates how to edit HTML and C++ files using the snippets plug-in.

Fast 64-bit Build

EmEditor is available in both 64-bit and 32-bit builds. As you can see from the examples on right, the 64-bit build runs as much as 16% to 74% faster than the 32-bit build when dealing with very large files. If you use 64-bit Windows, the 64-bit build of EmEditor is absolutely recommended!

Moreover, EmEditor uses various CPU optimizations such as multithreading and SIMD technology such as AVX-512 and AVX-2 to improve the speed of opening very large files, Find/Replace/Filter, parsing CSV, various Sort, Delete Duplicate Lines, and various other operations.

32-bit build64-bit build
Opening a File *194 seconds54 seconds
Replace String *253 seconds43 seconds
Sort A to Z *387 seconds75 seconds
Delete Duplicate Lines *4166 seconds142 seconds

*1 10GB, 128,000,000 lines, average except the first time.
*2 1.3GB, 16,000,000 lines, replace “10000” with “#####”, 1,600 replaces, no regular expression, no escape sequence, no match cases.
*3 800MB, 10,000,000 lines, Sort A to Z
*4 Same file as 3. Windows 8 (64-bit) Core i7 870 16GB RAM, EmEditor Professional v13.0.0 32-bit and 64-bit.
* The difference is not so significant if no large file is opened.

If you are…

This section gives you tips on how you use EmEditor, and explains why you need the best text editor in your situation…

an HTML designer

a programmer

  • The Projects plug-in shows the list of function and variable definitions in the current document or within a project.
  • The Auto Marker feature allows you to highlight the same string as the function or variable names at the cursor. 
  • The Narrowing feature allows you to focus to a specified part of document and protect other parts of the document.
  • Multiple selection editing allows you to change variable names easily.
  • External tools allow you to set up your compiler with EmEditor.
  • The spell checking feature understands CamelCase.
  • Numbering allows you to insert sequential numbers. In conjunction with vertical selection editing, you can insert sequential numbers at the beginning or end of each line in the selection, which makes it easy to make an array of variable definitions.
  • The Clipboard History allows you to insert previous text that you copied.
  • The Find Matching Parenthesis/Bracket command allows you to jump between a pair of brackets.
  • Scriptable macros allow you to create macros for your repeated tasks.
  • You can also create plug-ins that fit your needs.

an editor or publisher

  • EmEditor allows you to write text very fast.  EmEditor can launch fast, and as soon as you open an EmEditor window, it allows you to start typing.
  • The Snippets plug-in allows you to insert frequently used text.
  • The Word Complete plug-in helps you to complete words while you type.
  • The Outline features allow you to show the outline of your text.
  • The Word Count plug-in can count not only words but any specified characters or words.
  • The Status bar shows the basic information of the document such as the number of characters, words, and lines.
  • The Messaging plug-in allows you to conveniently send a small part of your document to your peers.
  • The configurable spelling feature allows you to check spelling of your documents.
  • The Marker feature allows you to highlight any keywords in your documents, and the multiple selection editing feature allows you to conveniently replace a same word with another word.

a database administrator

  • EmEditor allows you to open very large files quickly, and the Large File Controller allows you to open only a specified portion of a large file.
  • EmEditor allows you to open CSV, TSV, or user-defined separator (DSV) files. You can sort according to column values (alphabetically or numerically), and you can configure sorting options such as stable-sort.
  • EmEditor allows you to split or combine files.
  • You can also use the bookmark features, so that you can bookmark lines that match certain criteria. Then you can delete those bookmarked lines, or extract bookmarked lines to a new file. The Delete Duplicate Lines command allows you to delete identical lines in a document.

a server administrator

  • Server log files tend to be very large.  EmEditor can open very large plain text files, and the Large File Controller allows you to open only a specified portion, for instance, the last portion of the file.
  • The flexible search feature allows you to search for a specific term.
  • You can also use the bookmark features, so that you can bookmark lines that match certain criteria, such as lines with error keywords or URLs.  And then, you can extract those lines into a new file.
  • The Marker feature allows you to highlight any specific terms, which allows you to read documents much easier.
  • The Word Count plug-in allows you to count specific terms or characters.

If you need a free text editor...

  • If you need a best free text editorEmEditor Free might be right for you.
  • While not at the same level of EmEditor Professional, EmEditor Free allows you to do most of text editing tasks without purchasing the product.
  • Please see the comparison chart whether it is right for you.
  • Once you downgrade the product to EmEditor Free, you will never need to pay for the product, so please go ahead and keep it as the free version as long as you would like!

What others say about us

World’s fastest text editor gets even better!

EmEditor is a smart editor from Emurasoft that can handle pretty much any sized file. 2GB? 20? 200? No problem. A billion lines? Sure. What about really long lines? Is 10 million columns enough, because EmEditor can handle that with ease. It’s not just for programmers, but programmers can certainly appreciate and use many of its features.

EmEditor is one of the few editors I know that has been built for both 32- and 64-bit modes. If you have a 64-bit operating system, why shouldn’t you be using a 64-bit editor? You can edit files larger than 4GB even on 32-bit Windows, but 64-bits makes the editor run even faster and keep more in memory before using temporary space.

Ed Burnette, ZDNet

Hi Yutaka,

After working a while with EmEditor, I just want to say it’s really the fastest, most convenient and best editor I’ve ever worked so far under windows. I’m really glad that there are still people who care about performance and short loading times!

Thanks a lot for this master piece of software and keep up the good work.

Marcus, Germany

I would highly recommend EmEditor for any intensive text-centric activity!

I’ve been using EmEditor for the last 3 years, mostly for ontology crafting. I chose that editor after testing a lot of different solutions, and the two major reasons for that choice have been: true UTF-8 encoding, and unlimited size of documents (with light speed loading). All the other solutions I tested were falling short of providing one or the other. Additionally, I came to appreciate the excellent plug-ins, the keen regex integration, the side by side comparison, etc. EmEditor is a complex software with a ton of features and I’ve lost my way a couple of times but Emurasoft has been each time immediately responsive and helpful. I would highly recommend EmEditor as a first choice for any intensive text-centric activity.

Claude Vogel, BuzzStory, Inc.