One email, three edits
The date changed. Did you catch it?
A revised message can look almost identical to the first draft. Here, someone moved a meeting, fixed a typo, and dropped a request. Put the first version in Original and the revision in Changed to see all three edits together.
Original · first draft
Hi Mara,
Our review is on June 12 at 10 am.
Please bring the latest drfat.
Print a copy for everyone.
Thanks, Leo
Changed · ready to send
Hi Mara,
Our review is on June 14 at 10 am.
Please bring the latest draft.
Thanks, Leo
The word highlights above are annotations for this example. The tool itself highlights complete lines.
Read the changes in context
June 12 → June 14. The time stayed the same, but the date moved. A small edit can change what the reader needs to do.
drfat → draft. One corrected word replaces an entire line in the result. Added and Removed count lines, not individual edits or words.
The printing request disappeared. A removed line with no replacement may be intentional. Check before sending; the comparison cannot tell you whether an omission is a mistake.
When two versions look the same
Start with both comparison options off. That gives you the strictest check. If the result looks busier than expected, these details usually explain why:
- Capital letters
Draftanddraftdiffer until you enable Ignore case. Leave it off when names, headings, or case-sensitive values matter.- Spaces and tabs
- Ignore whitespace trims each line and treats a run of spaces or tabs as one space. It makes
send draftmatchsend draft, but does not makesenddraftmatch either one. - Line breaks
- A new paragraph or extra blank line still counts, even with Ignore whitespace on. Windows and Unix line endings are treated alike. A line wrapping visually inside the text box does not create a new line in the comparison.
The options change how text is matched; they do not rewrite either input. “Identical” with an option enabled means the texts match under that rule, not necessarily character for character.
Before you send the revision
Keep the last approved message in Original and paste your final draft into Changed. Review dates, times, amounts, and requests first. Then look at the removed lines: it is easy to notice new wording and miss something that vanished.
The two number columns in the tool help you find each line again. The left belongs to Original and the right to Changed. A removed line has only a left number; an added line has only a right number. Swap sides reverses that direction, so keep the older version on the left when reviewing a revision.
Can I use this for a whole document?
You can paste its text, but this tool does not compare fonts, images, comments, or page layout. For long documents, compare matching sections. Very large inputs use a simpler comparison by line position, which can show extra changes after an insertion. Repeated or moved lines can also appear as removals and additions rather than a single move.
Will my drafts be kept here?
No. Comparison happens in your browser, and the tool does not upload or save your text. Keep your own copy before clearing the fields or reloading the page.