All tools
Every utility, grouped by category. Filter to find one fast.
Format & Convert
JSON Formatter & Validator
Pretty-print, minify and validate JSON with helpful error messages.
YAML ↔ JSON Converter
Convert between YAML and JSON in both directions. Great for k8s manifests.
JSON ↔ CSV Converter
Turn an array of JSON objects into CSV, and parse CSV back into JSON.
XML Formatter
Pretty-print and minify XML documents with consistent indentation.
.env ↔ JSON Converter
Convert environment files to a JSON object and back.
Encode & Decode
Base64 Encode / Decode
Encode text to Base64 and decode it back, with full UTF-8 support.
URL Encode / Decode
Percent-encode and decode URL components and query strings.
JWT Decoder
Decode JSON Web Token header and payload and inspect claims (no verification).
HTML Entity Encode / Decode
Escape and unescape HTML special characters like < > & " '.
Hex ↔ Text Converter
Convert text to hexadecimal bytes and back (UTF-8).
Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal.
Crypto & Hashing
Hash Generator
Compute MD5, SHA-1, SHA-256 and SHA-512 digests of any text.
HMAC Generator
Generate keyed-hash message authentication codes (HMAC).
UUID Generator
Generate random RFC 4122 version 4 UUIDs in bulk.
Password & Token Generator
Generate cryptographically strong passwords and API tokens.
Kubernetes Secret Encoder
Base64-encode and decode values for Kubernetes Secret manifests.
Text & Data
Text Diff Viewer
Compare two blocks of text and highlight added and removed lines.
Regex Tester
Test JavaScript regular expressions live and inspect every match and group.
Case Converter
Convert text between camelCase, snake_case, kebab-case, CONSTANT_CASE and more.
Line Tools (Sort / Dedupe / Trim)
Sort, deduplicate, reverse, shuffle and trim lines of text.
Slugify
Turn any text into a clean, URL-friendly slug.
Word & Character Counter
Count characters, words, lines, and bytes in any text.
String Escaper
Escape and unescape strings for JSON, JavaScript, and source code.
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs.
Time & Dates
Unix Timestamp Converter
Convert between Unix epoch timestamps and human-readable dates.
Cron Expression Explainer
Translate cron schedules into plain English and test common patterns.
Timezone Converter
See a moment in time across major timezones around the world.
Duration Converter
Convert a duration between seconds, minutes, hours and days, with a human-readable form.
Network
CIDR / Subnet Calculator
Compute network, broadcast, mask and host range for an IPv4 CIDR block.
URL Parser
Break a URL into protocol, host, path, and query parameters.
HTTP Status Codes
Searchable reference of HTTP response status codes and their meanings.
chmod Calculator
Convert between octal, symbolic and checkbox file permissions.
User-Agent Parser
Break down a browser User-Agent string into browser, engine, and OS.
DevOps & Data
kubectl Command Builder
Assemble common kubectl commands from a simple form.
docker run → Compose
Convert a docker run command into a docker-compose.yml service definition.
SQL Formatter
Beautify and standardize SQL queries across many dialects.
Data Size Converter
Convert between bytes, KB/MB/GB/TB and binary KiB/MiB/GiB units.
curl Command Builder
Build a curl command with method, headers, and a request body.
.gitignore Generator
Build a .gitignore file from common language and tooling presets.