Text diff checker
Compare Text Files Online
Compare two text files online and quickly identify wording edits, missing lines, duplicate changes, and revised sections. No signup is required.
Compare text nowSimple online difference checker for plain text
When you need to compare two text files, FileDiffChecker.com gives you a clean side-by-side view with line numbers and highlighted changes. It is useful for notes, logs, drafts, documentation, and copied text snippets.
Plain text comparison is helpful when you want to review wording edits, missing paragraphs, duplicated lines, or changes between two versions of a document. Use the original text on the left and the changed text on the right for the clearest review.
What you can compare as text
You can compare logs, notes, README files, Markdown drafts, configuration snippets, copied email drafts, and other text-based content. Line numbers make it easier to discuss a specific changed section with another person.
If the text includes very long lines, the viewer wraps content inside each side so you can inspect changes without horizontal scrolling.