Text tool
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Word diff is best for sentences and paragraphs where you care about phrasing. Line diff treats each newline as a unit, which suits configs, logs, and lists. Both update live; neither requires a button click. Pick the mode that matches how you mentally scan changes.
Added and removed totals count characters in the diff parts, not words or lines. Copy diff exports a simple unified-style text with + and - prefixes per line chunk — handy for email or tickets, not a patch file for git apply. Highlights use colour and strikethrough in the result pane only.
There is no accept/reject hunks, no ignore-whitespace option like git diff -w, no file upload, and no three-way merge. It will not tell you who changed a contract clause on purpose versus by accident — it only shows textual difference.
That is the promise behind every tool here. Files are read in your browser tab, processed there, and discarded when you close it — never uploaded to our servers.
Instantly count words, characters, sentences, and paragraphs in your text.
Remove duplicate lines with optional trim and case-insensitive matching; shows how many lines were removed.
Tabs to spaces, collapse runs of spaces, trim line ends, and optionally collapse extra blank lines.
UPPERCASE, lowercase, Title Case, sentence case, camelCase, snake_case, kebab-case, and CONSTANT_CASE — in your browser.
GFM Markdown to HTML with optional sanitized preview. Copy the HTML source; nothing is sent to a server.
Convert HTML snippets to Markdown. Complex tables and layout may not round-trip perfectly.