Dev tools · alternatives · 2026

24 alternatives to Visual Diff Merge

​Visual code diff & merge with syntax highlighting

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   A syntax highlighter for Git and diff output, written in Rust▲261

   A syntax-highlighting pager for git, diff, grep, rg --json, and blame output - dandavison/delta

   2020 · github.com · its alternatives →

2. 2
   Diffle, a keyboard-centric diff viewer with LSP support▲74

   A keyboard-first diff viewer with LSP support and GitHub integration. - moritzwilksch/diffle

   16d ago · github.com · its alternatives →

3. 3
   Kilo Code for VS Code▲896

   Parallel agents, diff reviewer, and multi-model comparisons

   May 2026 · kilo.ai · its alternatives →

4. 4
   Syntax Highlight for your github diffs▲18

   2012 · github.com · its alternatives →

5. 5
   Sketch Syntax Highlighter▲195

   Highlight the syntax of any code snippet in Sketch

   2017 · danielguillan.github.io · its alternatives →

6. 6
   Visdiff▲168

   Stop bridging the design-to-code gap, close it

   Mar 2026 · visdiff.com · its alternatives →

7. 7
   I built a VS Code Theme Creator – easily make VS Code themes in browser▲375

   Create VS Code Themes with Theme Studio!

   2021 · themes.vscode.one · its alternatives →

8. 8
   GitHub style split diffs in your terminal▲178

   Syntax highlighted side-by-side diffs in your terminal - banga/git-split-diffs

   2021 · github.com · its alternatives →

9. 9VD
   Visual diff for 3D printable models▲127

   2012 · cubehero.com · its alternatives →

10. 10
    Deff – Side-by-side Git diff review in your terminal▲120

    deff is an interactive Rust TUI for reviewing git diffs side-by-side with syntax highlighting and added/deleted line tinting. It supports keyboard/mouse navigation, vim-style motions, in-diff search (/, n, N), per-file reviewed toggles, and both upstream-based and explicit --base/--head comparisons. It can also include uncommitted + untracked files (--include-uncommitted) so you can review your working tree before committing. Would love to get some feedback

    Feb 2026 · github.com · its alternatives →

11. 11
    Visual Diffs▲95

    Track UX changes with visual diffs on every deploy.

    2015 · speedcurve.com · its alternatives →

12. 12
    Secure private diffchecker with merge support▲17

    This brand new secure diffchecker. It's supports text/code diff upto 25k lines with character level diff all in browser. Supports one of the best inhouse diff merge feature. https://diffchecker.dev/ Now, add list diff - to compare two lists and show unique, common and diff between two lists. https://diffchecker.dev/list/ Add json diff, supports semantic json difference. https://diffchecker.dev/json/ With consistent, clean, minimal UI elements. Would you switch from other websites. Please checkout and provide feedback.

    Nov 2025 · diffchecker.dev · its alternatives →

13. 13ES
    English syntax highlighter using part-of-speech tagging▲147

    2016 · english.edward.io · its alternatives →

14. 14
    Diff Text▲216

    Dead simple text comparison

    2024 · difftext.com · its alternatives →

15. 15S
    sidebranch▲102

    Easy git-based visual diffing

    Sep 2026 · sidebranch.dev · its alternatives →

16. 16
    VS Code extension that fades out the colors until you take a break▲143

    VS Code extension that encourages you to take a break. - schneefux/vscode-winddown

    2020 · github.com · its alternatives →

17. 17
    DiffNow▲2

    Compare two files with syntax highlighting and formatting

    2017 · diffnow.com · its alternatives →

18. 18
    VizDiff▲110

    Hey HN, I built VizDiff, a streamlined visual regression testing tool specifically designed for Storybook components. I found existing services like Chromatic powerful, but often too feature-heavy or costly for smaller teams and bootstrapped startups. VizDiff simplifies automated screenshot testing—capturing component snapshots in CI, clearly highlighting pixel-level visual changes, and helping teams catch UI regressions before they reach production. My main goal was accessibility and ease of integration for small teams or solo devs who need effective visual testing without the overhead. I'd…

    2025 · vizdiff.io · its alternatives →

19. 19
    DiffBoard▲7

    Compare code, JSON & text with visual diffs

    Jun 2026 · chromewebstore.google.com · its alternatives →

20. 20VS
    Visualizing 'Silhouettes' of Programming Languages▲97

    2017 · lelandbatey.com · its alternatives →

21. 21
    Code Hike – More than syntax highlighting▲118

    Use Markdown and React to build rich content websites. Documentation, tutorials, blogs, videos, interactive walkthroughs, and more.

    2021 · codehike.org · its alternatives →

22. 22UR
    Usable RosettaCode: Code snippets for 2 languages side-by-side▲22

    2014 · rosetta.alhur.es · its alternatives →

23. 23
    Patch Explorer▲7

    Understand multiple code diffs easily

    2025 · patchexplorer.com · its alternatives →

24. 24
    A VS Code extension to check incompatible CSS▲21

    I've developed a handy tool for Visual Studio Code that makes checking CSS compatibility very easy for developers. It provides instant feedback on syntax, keywords, types, and function compatibility. It even highlights deprecated, non-standard, and experimental features.

    2024 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →