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Free Developer UtilityPopular100% Client-Side

Client-Side Code Review Visualizer

Visualize code diffs, complexity metrics, and inline review annotations instantly in your browser.

Paste any unified Git diff or pull request URL to generate an interactive side-by-side visual diff with cyclomatic complexity annotations. 100% processed client-side.

Privacy Guarantee: Input data stays in browser memory. Zero code or credentials are sent to our servers.
Load Sample Diff:
100% Client-Side Sandbox • No Server Data Transfer
Files Changed
1
Additions
+8
Deletions
-3
Net Line Delta
+5
Branch Complexity
Moderate
Layout:
services/auth.ts+8 / -3
@@ -28,8 +28,12 @@ export async function handleSession(req: Request) {
28- const rawToken = req.headers.get("x-access-token");
29- if (!rawToken) throw new Error("Missing token");
30- const session = verifyJwt(rawToken, "TEMP_HARDCODED_JWT_SECRET_12345");
28+ const authHeader = req.headers.get("authorization") || "";
29+ const [scheme, token] = authHeader.split(" ");
30+ if (scheme !== "Bearer" || !token) {
31+ return new Response(JSON.stringify({ error: "Unauthorized" }), { status: 401 });
32+ }
33+ const jwtSecret = process.env.JWT_SIGNING_KEY;
34+ if (!jwtSecret) throw new Error("Server configuration error: missing signing key");
35+ const session = await verifyJwt(token, jwtSecret);
31 return session;
32 }
Execution Architecture

How this tool operates

01

Paste Your Git Diff

Copy git diff output from your local terminal or GitHub pull request URL.

02

Client-Side Parsing

The browser parses chunk headers and hunk lines into structured diff blocks with zero server transfer.

03

Analyze & Export

Review syntax changes, inspect change metrics, and export clean Markdown review comments.

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Technical Specifications

Frequently Asked Questions

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