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NextDiff

NextDiff is a Windows utility for comparing two files, text documents, source code files, or folders.

Place
#26 of 33
Score
5.8
NextDiff's website

What NextDiff is

NextDiff is a Windows utility for comparing two files, text documents, source code files, or folders. It shows text files side by side and marks changes by line and within lines. Folder comparisons include subfolders, identify files present on only one side, and can indicate the newer file. Users can edit in the comparison view, copy differences in either direction, and undo recent merge or editing actions. Options can ignore case, whitespace, leading or trailing spaces, and blank lines. Supported encodings include ANSI, ASCII, UTF-8, UTF-8 with BOM, and UTF-16. Optional Apache Tika support extracts readable text from formats including PDF, DOCX, XLSX, and PPTX. The product page lists version 2.2, dated September 23, 2026, with Preferences and support for new document formats. NextDiff is freeware for personal and commercial use on Windows 10 and 11. TkoSoft says the software runs locally without telemetry, cloud accounts, or data collection. Its plan is listed as free.

Good

  • Highlights changes within lines and between lines
  • Compares folders and subfolders
  • Can ignore case, whitespace, and blank lines
  • Freeware for personal and commercial use

Watch out

  • Windows 10 and 11 are the supported platforms
  • Apache Tika support is optional

Who it suits

NextDiff suits Windows users who compare text, source code, documents, or folder contents. Its editing and merge options may also help people who need to review and copy differences within the comparison view.

Verdict

NextDiff combines file and folder comparison with editing, merge, and text-extraction options. It is limited to Windows 10 and 11, with document-format extraction available through optional Apache Tika support.

Plans and prices

From NextDiff's own pricing page, checked 4 Oct 2026.

All about pricing
PlanPriceWhat it gives you
FreeFreeWindows 10 & 11 · personal and commercial use

The facts

Each one read from NextDiff's own pages, with the date it was checked.

What it does

Comparison options
Options include ignoring case, whitespace, leading or trailing spaces, and blank lines.checked 4 Oct 2026
Document formats
Optional Apache Tika support extracts readable text for comparisons of formats including PDF, DOCX, XLSX, and PPTX.checked 4 Oct 2026
Download
TkoSoft says downloads are direct installer links with no account or email required, no bundled software, and no adware.checked 4 Oct 2026
Folder comparison
It compares folders and subfolders, identifies files present on only one side, and can mark the newer file.checked 4 Oct 2026
Intended users
The maker describes its tools as designed to be simple for everyday users while offering depth and reliability for professionals.checked 4 Oct 2026
License
NextDiff is freeware for personal and commercial use.checked 4 Oct 2026
Merge and editing
Users can edit text in the comparison view, copy differences in either direction, and undo recent merge or edit actions.checked 4 Oct 2026
Privacy
TkoSoft says its software runs on the user's machine and involves no telemetry, cloud accounts, or data collection.checked 4 Oct 2026
Purpose
NextDiff compares two files, text documents, source code files, or folders on Windows.checked 4 Oct 2026
Text comparison
It displays text files side by side and highlights changed lines and changed text within lines.checked 4 Oct 2026
Text encodings
Supported text encodings include ANSI, ASCII, UTF-8, UTF-8 with BOM, and UTF-16.checked 4 Oct 2026
Version
The product page lists version 2.2, dated September 23, 2026, and says it adds Preferences and support for new document formats.checked 4 Oct 2026

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