Diff & Compare
Compare two inputs and see the differences visually: text, JSON, YAML, XML, CSV, code, URLs, HTTP headers, cookies, JWTs, config files, and much more — with side-by-side/unified views, a change summary, and a similarity percentage, all in your browser.
Code & Markup
Compare JavaScript, TypeScript, CSS, HTML/DOM, SQL, Markdown, regex, SVG, and logs.
CSS Diff & Compare Online
Compare two CSS rules and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
DOM Diff & Compare Online
Compare two DOM trees and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
HTML Diff & Compare Online
Compare two HTML documents and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
JavaScript Diff & Compare Online
Compare two JavaScript snippets and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Log Diff & Compare Online
Compare two log files and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Markdown Diff & Compare Online
Compare two Markdown documents and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Regex Diff & Compare Online
Compare two regex patterns and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
SQL Diff & Compare Online
Compare two SQL queries and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
SQL Schema Diff & Compare Online
Compare two SQL schemas (DDL) and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
SVG Diff & Compare Online
Compare two SVG images and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
SVG Path Diff & Compare Online
Compare two SVG path data and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
TypeScript Diff & Compare Online
Compare two TypeScript snippets and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Config
Compare package.json, tsconfig, Dockerfile, docker-compose, nginx.conf, .env, and more.
.editorconfig Diff & Compare Online
Compare two .editorconfig files and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
.env Diff & Compare Online
Compare two .env files and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
.gitignore Diff & Compare Online
Compare two .gitignore files and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
docker-compose Diff & Compare Online
Compare two docker-compose files and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Dockerfile Diff & Compare Online
Compare two Dockerfiles and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
nginx.conf Diff & Compare Online
Compare two nginx configs and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
package.json Diff & Compare Online
Compare two package.json files and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
tsconfig.json Diff & Compare Online
Compare two tsconfig.json files and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Data
Structurally compare JSON, JSON Schema, YAML, TOML, XML, and CSV.
CSV Diff & Compare Online
Compare two CSV tables and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
JSON Diff & Compare Online
Compare two JSON objects and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
JSON Schema Diff & Compare Online
Compare two JSON Schemas and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
TOML Diff & Compare Online
Compare two TOML documents and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
XML Diff & Compare Online
Compare two XML documents and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
YAML Diff & Compare Online
Compare two YAML documents and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Misc
Compare SemVer, dates, timestamps, Base64, Unicode, ASCII, and directory trees.
ASCII Diff & Compare Online
Compare two texts and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Base64 Diff & Compare Online
Compare two Base64 strings and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Date Diff & Compare Online
Compare two dates and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Directory Tree Diff & Compare Online
Compare two directory trees and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
SemVer Diff & Compare Online
Compare two version numbers and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Timestamp Diff & Compare Online
Compare two timestamps and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Unicode Diff & Compare Online
Compare two Unicode texts and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
SEO
Compare meta tags, Open Graph, robots.txt, and sitemap.xml.
Meta Tag Diff & Compare Online
Compare two meta tag sets and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Open Graph Diff & Compare Online
Compare two Open Graph tags and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
robots.txt Diff & Compare Online
Compare two robots.txt files and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
sitemap.xml Diff & Compare Online
Compare two sitemap.xml files and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Text
Compare text by line, word, character, paragraph, or list.
Character Diff & Compare Online
Compare two texts and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Line Diff & Compare Online
Compare two line lists and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
List Diff & Compare Online
Compare two lists and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Paragraph Diff & Compare Online
Compare two documents and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Text Diff & Compare Online
Compare two texts and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Word Diff & Compare Online
Compare two texts and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Web
Compare URLs, query parameters, HTTP headers, requests/responses, cookies, and JWTs.
Cookie Diff & Compare Online
Compare two cookie sets and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
HTTP Header Diff & Compare Online
Compare two HTTP header sets and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
HTTP Request Diff & Compare Online
Compare two HTTP requests and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
HTTP Response Diff & Compare Online
Compare two HTTP responses and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
JWT Diff & Compare Online
Compare two JWTs and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
Query Parameter Diff & Compare Online
Compare two query strings and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.
URL Diff & Compare Online
Compare two URLs and see the differences visually (diff & compare). Free, fast, and runs entirely in your browser.