How to Compare Two Texts Online
Step 1: Paste your original text into the left box and your revised version into the right box.
Step 2: Select your comparison granularity: Words (best for writing and essays), Lines (for paragraphs and code), or Characters (for spelling typos).
Step 3: Choose between Unified (Inline) view or Split (Side-by-Side) view.
Step 4: Review the highlighted changes: green shows newly added text, and red shows removed text. Click Copy Difference to copy the revision summary.
Common Use Cases for Text Diff
Quickly verify feedback edits from professors or peer reviewers to ensure all required corrections have been implemented accurately.
Compare client-edited drafts with your original copy to identify changed claims, tone adjustments, and modified call-to-actions.
Detect stealth clause additions or omissions in agreements before signing without transmitting confidential information over the internet.
Cross-check translated documents between post-editing drafts to track linguistic enhancements and terminology alignment.
Frequently Asked Questions (FAQ)
Is there a character or file size limit?
Our diff engine runs with efficient common prefix and suffix pruning, easily handling thousands of words in a few milliseconds directly in browser memory.
Can I compare texts in any language?
Yes. The tokenizer supports full UTF-8 Unicode characters, including Indonesian, English, European accents, and non-Latin scripts.
How is the similarity percentage calculated?
The similarity score uses the Dice coefficient comparing matching unchanged words against the total word changes. 100% means both texts are completely identical.