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Pretty-print JSON with configurable indentation.

Send GET/POST/PUT/PATCH/DELETE requests and inspect the response.

Compare two blocks of text and highlight line differences.

Decode a JWT's header and payload — does not verify the signature.

Generate one or more RFC 4122 v4 UUIDs.

Generate a SHA-256, SHA-384, or SHA-512 hash of text.

Format common SQL with sensible indentation.

Generate secure random passwords.

Send GET/POST/PUT/PATCH/DELETE requests and inspect the response.

Describe endpoints and export clean Markdown, HTML, or OpenAPI docs.

Define a JSON schema and publish a live mock endpoint to test against.

Pretty-print JSON with configurable indentation.

Check whether JSON is valid and locate the error.

Strip whitespace from JSON to reduce its size.

Decode a JWT's header and payload — does not verify the signature.

Test a regular expression against text with match highlighting.

Compare two blocks of text and highlight line differences.

Convert between Unix timestamps and human-readable dates.

Generate a SHA-256, SHA-384, or SHA-512 hash of text.

Paste or upload logs to summarize errors, warnings, and common patterns.

Encode text to Base64.

Decode Base64 back to text.

Percent-encode text for safe use in a URL.

Decode percent-encoded URL text.

Break a URL into its protocol, host, path, and query parameters.

Format common SQL with sensible indentation.

Convert between JSON and CSV.

Convert between JSON and YAML.

Parse and convert XML to JSON.

Generate one or more RFC 4122 v4 UUIDs.

Generate secure random passwords.

Look up the meaning and common cause of an HTTP status code.

Describe what you want to do and get the exact git command.

Define tables and relationships as an interactive ER diagram.

Build an architecture diagram from common system components.

Create a paste and share code or text via a unique link.

View, edit, and delete the pastes you've created.

Paste an error or stack trace to get a plain-language explanation and fixes.

Paste code to get a summary, walkthrough, and potential issues.

Describe a query in plain English and get SQL to review — never executed.

Describe a pattern in plain English and get a regular expression.