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NextDiff

tkosoft.com

Free plan Windows
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Spec score 7.0 #27 of 33 in File Comparison Software

What it is

NextDiff is a free Windows utility for comparing files, text documents, source code, and folders. It places text files side by side, marking changed lines and changes inside lines. Folder comparisons include subfolders, reveal files found on only one side, and can identify the newer file. You can edit text in the comparison view, copy differences in either direction, and undo recent merge or editing actions. Comparison settings can ignore letter 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 PDF, DOCX, XLSX, and PPTX files for comparison. Version 2.2 is dated September 23, 2026. NextDiff is freeware for personal and commercial use on Windows 10 and 11, with direct installer links and no account or email requirement.

Spec sheet

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

Plans and prices

Free Free Windows 10 & 11 · personal and commercial use Read 4 Oct 2026 · tkosoft.com

Every NextDiff plan and price →

Strong points and limits

Strong points

  • Free for personal and commercial use
  • Side-by-side text and inline difference highlighting
  • Folder and subfolder comparison
  • Optional PDF, DOCX, XLSX, PPTX text extraction
  • No telemetry or cloud accounts stated

Limits

  • Windows 10 and 11 only
  • No free trial because the product is free
  • Apache Tika support is optional

Who it suits

NextDiff suits Windows users who need file, source-code, document, or folder comparisons. It also fits personal and commercial use where local processing is preferred.

Verdict

NextDiff combines text and folder comparison with editing, merge controls, encoding options, and optional document extraction. Its Windows-only availability and optional Tika requirement are the main scope limits.

Where Specifiction places it

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