Tool Directory

Every tool runs in your browser. Grouped by category — available now or coming soon. Your data never leaves your device.

JSON

Format, validate and beautify JSON with syntax highlighting.

Validate JSON and get precise line/column errors.

Minify JSON to reduce size for production.

Decode and verify JSON Web Tokens safely in your browser.

Generate v4 UUIDs in bulk.

Generate SHA-256 hashes locally.

Encode text and files to Base64 locally.

Decode Base64 strings instantly.

Encode and decode URLs and query strings.

Convert between PNG, JPG, WebP and more.

Compress PDF files in your browser.

We prioritize tools developers search for. JSON → Encoding → Security → Image → PDF. Tell us what you need.