Useful tools,
all in one place.

</> ↗Developer

DNS Lookup — A, AAAA, CNAME, MX, TXT & NS

Query common DNS records for a public domain and review A, AAAA, CNAME, MX, TXT, and NS values in one readable table.

Backend check </> ↗Developer

Developer Data Pipeline

Build a reusable browser-local workflow such as Base64 decode → JSON format → JSONPath extract, then run it in one click.

Runs locally </> ↗Developer

HTTP Headers, Redirect & CORS Checker

Inspect a public URL's status, redirect chain, response headers, CORS policy, caching, and common security headers with HEAD, GET, or OPTIONS.

Backend check </> ↗Developer

Webhook Tester & Temporary Request Bin

Create a temporary webhook URL, inspect incoming headers and payloads in real time, and replay a safe sample request without signing up.

Backend check </> ↗Developer

Regex Tester & Replacement Preview

Test regular expressions with live matches, capture groups, flags, and a safe replacement preview. Everything runs in your browser.

Runs locally </> ↗Developer

UUID v4/v7, ULID & NanoID Generator

Generate and inspect UUID v4, UUID v7, ULID, and NanoID values locally, including bulk output and timestamp details.

Runs locally </> ↗Developer

Text & File Diff Checker

Compare pasted text or two local text-based files line by line, with optional whitespace and case-insensitive matching. Files never leave your browser.

Runs locally </> ↗Developer

Text Batch Processor, Deduplicator & Sorter

Clean and transform lists in bulk: trim, remove empty or duplicate lines, sort, reverse, number, and add prefixes or suffixes locally.

Runs locally </> ↗Developer

WebSocket Online Tester

Connect to ws:// or wss:// endpoints directly from your browser, send text or JSON messages, and inspect timestamped events.

Runs locally </> ↗Developer

cURL to Code Converter

Convert cURL to Fetch, Axios, Node.js, Python, Go, Java, PHP, or C# code locally in your browser.

Runs locally