Developer tools
Format JSON, inspect data, encode text and generate developer-friendly values with OmniKit’s code and data utilities.
29 tools available
Developer tools
Search, choose a category, and get straight to work.
Subnet / CIDR Calculator
Calculate IPv4 and IPv6 network ranges, masks and address counts locally.
Docker Compose Generator
Generate a Docker Compose service with ports, environment variables and optional storage.
Nginx Config Generator
Generate an HTTP static-site or reverse-proxy Nginx configuration template.
Barcode Generator
Create Code 128, Code 39, EAN or UPC barcodes with PNG and SVG downloads.
JSON ↔ XML
Convert JSON objects and XML locally with a clear element and attribute mapping.
JSON ↔ YAML
Convert JSON and YAML locally, then copy or download the result.
SQL Formatter
Format SQL for common database dialects without executing queries.
XML Formatter
Validate and format XML locally, with copy and download.
YAML Formatter
Validate and format YAML while keeping its document comments.
JWT Decoder / Inspector
Decode JWT headers, claims and dates locally with an explicit unverified signature status.
Regex Tester
Test JavaScript regular expressions locally in a worker with a time limit.
Query String Parser
Decode query parameters, preserving repeated keys and their order.
User-Agent Parser
Inspect common browser, operating system and device hints in a User-Agent string.
Text Hash Generator
Generate SHA-256, SHA-384 or SHA-512 hashes from Unicode text locally.
JSON Schema Generator
Infer a starting JSON Schema from a sample, including arrays and optional record fields.
TypeScript Interface Generator
Infer TypeScript interfaces or types from sample JSON with optional fields and unions.
Cron Generator / Explainer
Choose cron presets, explain a five-field expression and preview its next runs in a timezone.
IP Address Finder
Find your public IPv4 or IPv6 address with approximate location, network, ASN, timezone and reverse DNS information.
Code-to-Share
Share a highlighted code snippet with expiry, QR and an optional password.
Temporary Static Site
Share an HTML, CSS and JavaScript site with a link that expires in 1–24 hours.
Screenshot → Developer Info
Inspect colors, read text and measure layout references from a screenshot.
JSON Formatter
Format or minify JSON, then copy or download the result.
JSON Validator
Check your JSON syntax before it ships.
Base64 Encoder / Decoder
Encode and decode Unicode text in a click.
UUID Generator
Generate a fresh, cryptographically random UUID.
QR Code Generator
Create a scannable code for your next idea.
Unix Timestamp Converter
Translate Unix timestamps into readable dates.
CSV to JSON
Turn spreadsheet data into clean JSON.
JSON to CSV
Export JSON records as a spreadsheet-ready CSV.