Audit tsconfig.json for strictness gaps, misconfigured paths, and target mismatches. Catch lax strictNullChecks before production does — local analysis, free, no signup.
Content reviewed October 2026 · About Toolzum
Profile JSON payload weight — byte size, key counts, nesting depth, and heavy branches. Find the 2 MB field bloating responses — local analysis, free, no signup.
Parse Set-Cookie headers into structured JSON, or analyze cookie security flags (Secure, HttpOnly, SameSite, expiry). Flag missing Secure, HttpOnly, and SameSite attributes — free, local, no signup.
Validate package.json for required fields, semver format, and dependency presence. Catch missing fields and bad semver before installs fail — free, local, no signup.
Scan and clear cookies, localStorage, and sessionStorage for the current site — see what's stored first. Audit privacy trackers before wiping — local inspection, free, no signup.
Full photo editor in your browser: crop, rotate, flip, resize, tune brightness/contrast/saturation/warmth, auto-fix, annotate with text/shapes/draw/blur, HEIC input, shrink-to-target-size, metadata-strip toggle, and PNG/JPG/WebP export. Parametric undo, hold-to-compare — free, no signup, nothing uploads.
Disabled strict flags, conflicting target/lib pairs, broken paths mappings, and include globs that miss source dirs. Each finding names the fix.
Yes for new projects — strictNullChecks alone catches the most common production crash class. Legacy codebases enable incrementally per directory.
Yes — baseUrl plus paths entries resolve against the project layout shown. Broken aliases fail imports at build; the analyzer catches them at paste time.
No — analysis runs locally in your browser. Configs never leave your device.
TypeScript Formatter
Format TypeScript with correct indentation, type-annotation spacing, and interface alignment. Clean up 500-line components before review — local processing, free, no signup.
package.json Validator
Validate package.json for required fields, semver format, and dependency presence. Catch missing fields and bad semver before installs fail — free, local, no signup.