DiffCheck - Text & JSON Diff Tool

Compare text, JSON, and code side by side. Find differences instantly. Includes JSON formatter, Base64 encoder, and word counter.

Compare text, code, and JSON — right in your browser sidebar. DiffCheck is a lightweight developer tool that lets you: • Text Diff: Compare any two texts line by line, word by word, or character by character • JSON Diff: Spot structural differences between two JSON objects instantly • JSON Formatter: Beautify or minify JSON with one click • Base64: Encode and decode Base64 strings with full Unicode support • Word Counter: Count words, characters, lines, sentences, and paragraphs No data is sent anywhere — everything runs locally in your browser.