1st Version
2nd Version
Ctrl+Enter
− Removedin 1st, missing in 2nd
+ Addedmissing in 1st, in 2nd
~ Modifiedchanged words only
= Unchanged
0 added
0 removed
0 unchanged
✓ Both versions are identical.
0 / 0 jump to diff
1st Version — removed/changed
2nd Version — added/changed
Analysis
Tone · Semantics · Spelling
🖼️
1st Image
PNG, JPG, GIF, WebP — drag & drop or click
🖼️
2nd Image
PNG, JPG, GIF, WebP — drag & drop or click
📑
1st Document
PDF · DOCX · PPTX — same type required
📑
2nd Document
PDF · DOCX · PPTX — same type required
📊
1st Excel File
.xlsx or .xls
📊
2nd Excel File
.xlsx or .xls
🗂️
1st Folder (ZIP)
ZIP your folder and upload
🗂️
2nd Folder (ZIP)
ZIP your folder and upload

Free Online Document Comparison Tool

Compare text files, PDF, Word, Excel, images, JSON, ZIP archives and folders instantly — no sign-up, no installation, 100% free in your browser.

✓ 100% Free ✓ No Installation ✓ 8 File Formats ✓ Privacy First ✓ AI-Powered Analysis

Everything You Need to Compare Files Online

📄

Text & Code Compare

Line-by-line diff with word-level highlighting. Perfect for source code, configs, and documents.

📑

PDF Comparison

Upload two PDF files and instantly see every text change, addition, and deletion side by side.

📝

Word DOCX Compare

Track revisions between Word documents. Ideal for legal contracts, reports, and proposals.

📊

Excel Spreadsheet Diff

Detect changed cells, rows, formulas, and values across two Excel files in seconds.

🖼️

Image Comparison

Pixel-level visual diff for PNG, JPG, and WebP. Great for UI testing and design review.

🗂️

ZIP & Folder Compare

Compare entire directory trees or ZIP archives to find added, removed, and changed files.

🔧

JSON & Config Files

Validate API responses and configuration changes with structured JSON comparison.

🤖

AI-Powered Analysis

Get tone, semantic, and spelling change analysis powered by AI — beyond simple line diffs.

How to Compare Documents in 3 Steps

1

Choose Your File Type

Select Text, Image, PDF/DOCX/PPTX, Excel, or ZIP from the tool tabs above.

2

Upload or Paste Content

Paste text directly, or drag & drop your files into the upload zones.

3

Review the Differences

Instantly see a colour-coded side-by-side diff with added, removed, and changed lines.

4

Navigate with Arrows

Use the ↑ ↓ buttons to jump between each difference without scrolling manually.

Frequently Asked Questions

Paste your original text in the left box and the modified text in the right box, then click Compare Text. Additions are highlighted green, deletions red, and word-level changes blue. No account needed.
Yes. Click the PDF / DOCX / PPTX tab, upload your two PDF files, and click Compare Documents. CompareAnyContent works entirely in your browser — nothing to install.
Text comparison runs entirely client-side in your browser — your text never leaves your device. For file uploads (PDF, Excel, images), files are processed on the server and immediately discarded after comparison.
CompareAnyContent supports plain text, PDF, Word DOCX, PowerPoint PPTX, Excel XLSX/XLS, images (PNG, JPG, GIF, WebP, BMP), JSON, XML, ZIP archives, and folder trees.
Beyond line-by-line diffing, CompareAnyContent offers word-level highlighting within changed lines, an AI analysis panel for tone and semantic shifts, and support for 8 different file formats — all in one free tool.
Yes. The LCS-based diff algorithm is optimised for performance. Text comparison handles thousands of lines quickly. For very large PDFs or Excel files, processing may take a few extra seconds.