Text Editors to edit huge files

Recently I faced an issue while preparing data for my performance testing. I need to edit huge files which has 300K rows of records which consumes 1.6GB of my hard disk.

Initially I tried to open that file using Notepad. But it was not able to open, due to its large file size. Later I tried with Wordpad. I was able to open, but I couldn’t edit in text file. It was hanging even for one click. Later I found below text editors which helps you to open large files quickly

gVim (Free)

Vim 7.3 is the latest stable version. Vim is available for many different systems and there are several versions. This page will help you decide what to download.

010Editor (Commercial)

010Editor is from SweetScape software. It uses professional text and hex editing with Binary Templates technology. Latest version is  v4.0.4

Download 010Editor

UltraEdit32 (Commercial)

UltraEdit is from IDM Computer Solutions Inc. UltraEdit is the ideal text, HTML and hex editor, and an advanced PHP, Perl, Java and JavaScript editor for programmers. UltraEdit is also an XML editor including a tree-style XML parser.

Download UltraEdit32

Notepad++ (Free)

Latest version is 6.3.2. Notepad++ is simple and elegant tool.  It is a free source code editor and Notepad replacement that supports several languages. Running in the MS Windows environment, its use is governed by GPL License.

Download Notepad++

PilotEdit (Commercial)

PilotEdit is an amazing text, hex, XML, C/C++, HTML, PHP, Java, Javascript and Perl editor that can edit large files of 400GB (40 billion lines). You can also sort, find/remove duplicate lines and extract strings over a large file of 1GB. PilotEdit works on both 32-bit and 64-bit Windows Operating Systems.

Download PilotEdit

VEDIT (Commercial)

VEDIT quickly edits, translates and sorts any text, data, binary (hex) or EBCDIC file; even 100+ Gigabytes.

Download VEDIT

EditPad (Free of personal use)

EditPad Lite is a compact general-purpose text editor. Use EditPad Lite to easily edit any kind of plain text file. EditPad Lite has all the essential features to make text editing a breeze.

Download EditPad

TextEdit (Free)

TextEdit is a simple, open source word processor and text editor, first featured in NeXT’s NEXTSTEP and OPENSTEP. It is now distributed with Mac OS X since Apple Inc. It is powered by Apple Advanced Typography and has many advanced typography features

Download TextEdit for Windows

TextPad (Commercial)

TextPad® 7.0 is a powerful, general purpose editor for plain text files. Easy to use, with all the features a power user requires.

Download TextPad

EditPlus (Commercial)

EditPlus is a text editor, HTML editor, PHP editor, Java editor and Hex Viewer for Windows. While it can serve as a good Notepad replacement, it also offers many powerful features for Web page authors and programmers.

Download EditPlus

EmEditor (Commercial)

EmEditor is a fast, lightweight, yet extendable, easy-to-use text editor for Windows. EmEditor has won many awards, including the Shareware Industry Award in the Best Applications category! Both native 64-bit and 32-bit builds are available! ZDnet.com’s Ed Burnette called EmEditor the “World’s fastest text editor.”


Download EmEditor

XML Copy Editor (Free)

XML Copy Editor is a fast, free, validating XML editor. This is only for XML editing.

Download XML Copy Editor


GNU nano is designed to be a free replacement for the Pico text editor, part of the Pine email suite from The University of Washington. It aims to “emulate Pico as closely as possible and perhaps include extra functionality”.

Download Nano

Large Text File Viewer (Free)

 It uses little memory and is able to open a gigabyte file instantly. Background file indexing makes browsing even faster. It opens files that are currently being written by other programs, and automatically checks and reads the files if new contents have been appended. It supports view split. The user may split the view either horizontally or vertically, and have each side show different portion of the same file.

Download Large Text File Viewer

The V File Viewer (Commercial)

V is an all-purpose File Manager for Windows with a powerful inbuilt text file viewer which excels at viewing files quickly – whether they are 100 bytes or 100 gigabytes.

Download The V File Viewer

My personal favorite is PilotEdit. It shows the progress of processing, and edits huge file with in a minute.

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