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 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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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
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Best Text Editor, Code Editor, CSV Editor, Large File Viewer for Windows

EmEditor is a fast, lightweight, yet extensible, easy-to-use text editor, code editor, CSV editor, and large file viewer 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. New versions support AI-assisted writing.

EmEditor is faster than other text editors by a margin of 2 to 187 times in all tested categories. See Text Editor Speed Comparison.

EmEditor is a powerful CSV editor. See Working with CSV in EmEditor.

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

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, CSV, 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.

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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 SP1/Server 2008 R2 or later.

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Other downloads

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License Type
40 USD/year (3.33 USD/month)
License valid for
Price after first year
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Desktop App: Annual Subscription
40 USD/year (3.33 USD/month)
1 year
50% of the first year price, 75% after August 28th, 2024
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Desktop App: Lifetime
380 USD
(includes lifetime updates)
Lifetime (sales ending on August 28, 2024)
Free
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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).

Store Apps are sold separately

Subscriptions for Store Apps are sold separately from licenses for Desktop Apps. Registration keys for Desktop Apps can now be used for Store Apps. However, subscriptions for Store Apps purchased from Microsoft Store (through the Store App versions) cannot be used for Desktop Apps. Store Apps are available at Microsoft Store (64-bit or 32-bit).

Purchase benefits

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.

Volume discount

Number of licenses	Annual Subscription	Lifetime
1-2 license(s)	@US$40	@US$380
3-9 licenses	@US$36	@US$342
10-29 licenses	@US$32	@US$304
30-99 licenses	@US$28	@US$266
100-299 licenses	@US$24	@US$228
300-999 licenses	@US$20	@US$190
1,000+ licenses	@US$12	@US$114

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

How to calculate the number of licenses

Licensing for Desktop (Non-Store) Apps

Corporate, Government, and Other Organizational Use:

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 terminal servers are used, one license per computer (server or client) is required where EmEditor is installed and/or can be accessed. For example, if you have a terminal server and 1000 clients, 1001 licenses in total are required, regardless of the number of concurrent users.
You may install a second copy of EmEditor for your 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 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.

Home or School Use:

If this software is used at home or school for personal use only, and not installed on corporate or government computers, you may install it on up to 5 computers for your use only.

Licensing for Store Apps

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

Academic Licenses, Pricing

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.

Avoid Illegitimate License Sellers

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.

All EmEditor Videos

Check out all features of EmEditor, including how to search a large text file for millions of strings.

Fast File Operations

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.

Open a 10 GB file ^*1	1.454 seconds
Replace string in 1.3 GB file^*2	0.038 seconds
Sort A to Z for 800 MB file ^*3	0.484 seconds
Delete Duplicate Lines in 800 MB file^*3	0.283 seconds

*1 Random ASCII, 10 GB, 128,000,000 lines
*2 Random ASCII, 1.3 GB, 16,000,000 lines, replace 44,759 instances of abc with ---, simple matching
*3 Random ASCII, 800 MB, 10,000,000 lines
System: EmEditor Professional v23.0.5 64-bit, Windows 11, Ryzen 9 7950X, 96 GB RAM, SSD

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

The Snippets plug-in allows you to easily insert frequently used HTML tags (such as h1, h2, p, a, etc.), templates, styles, scripts, and many other HTML elements.
With the Snippets plug-in, you can use keyboard shortcuts such as CTRL + B to make the selected text highlighted (using the STRONG tag), CTRL + I as Italic (using the EM tag), etc.
Zen-coding allows you to code HTML elements incredibly faster.
The HTML Bar plug-in allows you to modify your HTML documents with familiar toolbar buttons.
The Tooltip to show HTML/XML character references feature is useful.
Matching tag highlight allows you to make sure HTML tag nesting is correct.
The WebPreview plug-in allows you to preview HTML documents.
External tools allow you to configure web browsers to preview HTML documents.
External tools also allow you to set up external programs such as HTMLTidy to work with EmEditor.
The CSE HTML Validator plug-in allows you to validate HTML documents.
The Replace in Files feature allows you to replace matched strings with other strings.
Moreover, you can easily convert encodings of multiple documents.

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 editor, EmEditor 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

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.

EmEditor is my daily go-to editor for both text processing and coding

BACKGROUND:
I’m a software developer and text-editor fanatic. I’ve tried pretty much every Windows text editor that’s ever been released. I don’t just use them to their fullest for work, I love text editors onto themselves – not just as a mean, but also as an end. EmEditor (EE) has become my daily go-to editor for both text processing and coding for fun.

FUNCTIONALITY:
There is nothing that EE can’t do: that’s its main selling point. It’s packed with built-in functionality and let’s you extend that core functionality with scriptable macros. Think “UltraEdit’s flexibility without the slow-as-death macro playback”.
EmEditor also comes in handy in unexpected ways: forget Excel, EE is THE BEST way to work with CSV files. As of a few years ago, I’ve been using EE instead of Excel to quickly process data from my bank accounts and credit cards at tax time.
By the way, the “filter” function extraordinarily useful, and I can’t remember seeing it in other editors: type a string and EE hides all but the lines that contain that string. Another, somewhat related setting is the ability (Edit > Narrowing) to restrict the current editing area to a sub-portion of the current file.

QUALITY:
I’m a fullstack web dev, but I’ve done quite a bit of Windows dev. I’ve never seen a piece of software that leverages so well all Windows APIs. You can tell that everything is done carefully and thoughtfully, even the most mundane functionality.
One of EE’s claims to fame is to be able to open huge files. (I can attest that it does: opening a PHP log from a live server and see it open in under a second is something.)

EXTENSIBILITY:
For years, I’ve been using TextPad for its macros. The macros are saved in a binary format and they can’t be customized after the fact. In EE, all macros are stored in editable JS code with a well documented API.
Both of these mean that there’s pretty much nothing you can’t do with EE.

SUPPORT:
As far as I know, EmEditor is a one-man project. The upside is that Yutaka Emura, EmEditor’s creator, provides support himself. Receiving support from the person who wrote the software is a treat. I hope that many people will buy what is not only objectively the best all-purpose editor on Windows, but also the only one that is actively developed, and has been uninterruptedly so for over a decade.

CONCLUSION:
Because of the size of my professional projects, I often have to work in full-fledged IDEs (JetBrains), which are comparatively slow and feel annoyingly non-native Windows. But whenever I can, I go old school and code in EE. It’s pure bliss.

Charles

EmEditor is Much More Than an Text Editor Program | Imagine and Let EmEditor Do It

I wanted a program that could open large files. EmEditor proved that this was a very simple request compared to its capabilities.

It is much more than an editor program.

For many tasks I wanted to do, I had to buy different software designed specifically for that purpose or pay a monthly subscription fee. EmEditor freed me from needing any other software, by letting me do everything I need so far with its support and features that are unique and powerful.

One thing I am sure of is this: EmEditor is waiting for you to turn your imagination into reality.

The support they offer is as perfect as your imagination. All other companies can learn from this team about providing support.

Thank you to the whole team for helping me save time.

Karen

The Fastest, Most Convenient And Best Editor

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

Other user comments

Big Data with EmEditor

World’s fastest text editor

World’s most loved text editor

Large File Support

EmEditor Store Apps!