Developer utilities
that don't suck.
High-performance, stateless tools to inspect payloads and debug DNS instantly. Free core tools. No required account. Just results.
JSON Formatter
Instantly format, validate, and beautify JSON payloads. 100% client-side with zero latency and complete privacy.
JWT Decoder
Instantly decode JSON Web Tokens entirely client-side. Inspect Headers and Payloads with zero latency and complete privacy.
Webhook Inspector
Generate unique endpoints instantly. Catch POST payloads, inspect headers, and receive real-time WebSocket broadcasts without refreshing.
DNS Sandbox
Analyze MX, TXT (SPF), and CNAME (DMARC) records. Instantly identify malformed records and get exact remediation strings to fix deliverability.
SSL Analyzer
Inspect SSL/TLS certificates instantly. View issuer details, expiration dates, protocol versions, and Subject Alternative Names (SANs).
Cron Parser
Translate complex cron expressions into human-readable text and calculate the next execution dates in your local timezone.
Text Diff Tool
Compare two pieces of text side-by-side. Instantly highlight additions and deletions with zero latency.
Regex Tester
Instantly test and debug Regular Expressions client-side. Zero latency, full privacy, and real-time highlighting.
UUID Generator
Instantly generate bulk v4 UUIDs. 100% client-side with zero latency and complete privacy.
URL Parser
Instantly deconstruct URIs and decode query parameters. 100% client-side with zero latency and complete privacy.
Base64 Converter
Instantly encode or decode Base64 strings. 100% client-side with full unicode support and complete privacy.
Unix Timestamp
Instantly convert epochs to human-readable dates and vice-versa. 100% client-side with zero latency.
Hash Generator
Instantly calculate cryptographic hashes (SHA-256, etc.) for any text input. 100% client-side API.
Color Converter
Instantly convert colors between HEX, RGB, and HSL formats. 100% client-side with zero latency.
Password Generator
Generate cryptographically secure passwords locally. No data leaves your browser.
Text Analyzer
Instantly calculate character, word, sentence, and paragraph counts. 100% client-side.
HTML Entities
Instantly encode or decode HTML entities. 100% client-side with zero latency.
Lorem Ipsum
Generate filler text instantly (words, sentences, paragraphs). 100% client-side.
User-Agent Parser
Instantly deconstruct User-Agent strings to identify browser, OS, and device type.
YAML ↔ JSON
Bi-directional conversion between YAML and JSON formats. 100% client-side logic for complete privacy.
SQL Formatter
Format ugly or minified SQL queries instantly. 100% client-side logic for complete privacy.
Bcrypt Generator
Hash passwords or verify plain-text against hashes. 100% client-side logic to ensure passwords never leave your browser.
Markdown Preview
Write Markdown and instantly preview the rendered HTML. 100% client-side logic for complete privacy.
URL Encoder
Safely encode strings to be used in URLs, or decode URL-encoded strings back to their original form.