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Text & Code Diff Comparator

11 Differences
+5 added-2 removed~4 modified
Original Source (A)
Updated Source (B)
Intra-Line Chunk Diff Viewer
AddedRemovedModified
1
function calculateOrderTotal(cart, user, discountCode) {
1
function calculateOrderTotal(cart, user, discountCode, isVIP = false) {
—
2
if (!cart?.items?.length) return 0;
2
let subtotal = 0;
3
let subtotal = 0;
3
for (let item of cart.items) {
4
for (let item of cart.items) {
4
subtotal += item.price * item.quantity;
5
subtotal += item.price * item.quantity;
5
}
6
}
6
∅
7
∅
7
let taxRate = 0.05;
8
let taxRate = 0.05;
8
if (user.state === 'CA') {
9
if (user.state === 'CA') {
9
taxRate = 0.0825;
10
taxRate = 0.0950; // Updated 2026 California tax rate
—
11
} else if (user.state === 'NY') {
—
12
taxRate = 0.08875;
10
}
13
}
11
∅
14
∅
12
let discount = 0;
15
let discount = 0;
13
if (discountCode === 'SAVE10') {
—
14
discount = subtotal * 0.10;
16
if (discountCode === 'SAVE20' || isVIP) {
—
17
discount = subtotal * 0.20;
15
}
18
}
16
∅
19
∅
17
const total = subtotal - discount + (subtotal * taxRate);
—
18
return total;
20
const total = Math.max(0, subtotal - discount + (subtotal * taxRate));
—
21
return Math.round(total * 100) / 100;
19
}
22
}

Text & Code Diff Comparator

Popular
4.9•720K Users•100% Client-Side Privacy
Unlimited Free

Compare two text blocks or code files side-by-side with line-by-line added and modified difference highlights.

Side-by-side diffLine additions & deletionsCase sensitivity supportZero server logs

How to Use Text & Code Diff Comparator

Follow these simple steps to process your files securely in browser memory.

1Step 1 of 3

Paste Original & Modified Text

Paste text into the Left (Original) and Right (Modified) panes.

Pro Tip: You can also drag and drop two files directly into each pane.
2Step 2 of 3

Inspect Side-by-Side or Unified Diff

Switch between Side-by-Side split and Unified inline diff view.

Pro Tip: Deletions highlight in soft red, additions in soft green, with character-level changes accentuated.
3Step 3 of 3

Toggle Whitespace & Line Numbers

Ignore trailing spaces or indentation changes to focus strictly on semantic differences.

Pro Tip: Line numbers sync seamlessly as you scroll.

Who Is Text & Code Diff Comparator Built For?

Designed for professionals seeking fast, private, and unlimited client-side execution.

Primary Target Audience
🎯Developers & Code Reviewers
Also Widely Used By
Legal Contract ReviewersContent EditorsDevOps Engineers
Typical Real-World Use Cases
  • Comparing two versions of a code snippet or configuration file to spot subtle bugs
  • Comparing amended contract drafts to find sneakily modified clauses or deleted terms
  • Diffing JSON API responses before and after database migrations

Character-Level Highlighting

Identifies single character edits.

Confidentiality Guaranteed

Zero cloud database storage.

Frequently Asked Questions about Text & Code Diff Comparator

100% safe. Unlike SaaS diff checkers that store pastes on cloud databases, our diff engine computes the Myers diff algorithm entirely in browser memory. No text is ever uploaded.
Top Search Queries for Text & Code Diff Comparator:
text diff checker side by side online free privatecompare two code files online character level diffcompare legal contract text changes in browserdiffchecker alternative free no server uploadunified diff viewer online client side

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