All Developer Tools

25+ free browser-based utilities powered by Python — SQL, JSON, regex, QR codes, units, time zones and more.

SQL Tools

2 tools
SQL Dialect Converter
Convert SQL between MySQL, PostgreSQL, Snowflake, BigQuery and 15+ dialects.
SQL Formatter
Beautify SQL with proper indentation and keyword casing.

Data Format Converters

4 tools
JSON → YAML
Convert JSON to clean YAML for Kubernetes, Docker and CI/CD configs.
YAML → JSON
Parse YAML config files and output clean JSON.
XML → JSON
Transform XML documents to JSON for modern APIs.
Number Formatter
Format numbers as currency, words, ordinals and file sizes.

Dev & Code

3 tools
Regex Tester
Test regex patterns with live match highlighting and position tracking.
Markdown Previewer
Write Markdown and see a live HTML preview with GFM support.
Developer Cheatsheets
Quick reference for Git, Docker, Linux, Python, Django and SQL.

Text Tools

3 tools
Casing Converter
Convert between snake_case, camelCase, PascalCase, kebab-case and more.
Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences or word count.
Text Comparator
Compare two texts side-by-side with highlighted diff.

Generators

3 tools
QR Code Generator
Generate high-quality QR codes for URLs, text, WiFi and contacts.
Barcode Generator
Create Code128, EAN-13, UPC-A and other standard barcodes.
UUID Generator
Generate UUID v4 identifiers for databases, sessions and APIs.

Time & Schedule

4 tools
Time Zone Converter
Convert timestamps between world time zones with DST support.
Date & Time Formatter
Format and parse dates with strftime, ISO 8601 and Unix timestamps.
Cron Scheduler
Build cron expressions visually and preview next run times.
Cron to Human
Paste any cron expression and get a plain-English description.

Converters & Utilities

5 tools
Unit Converter
Convert length, weight, temperature, area, volume and 100+ units.
URL Info Extractor
Extract title, description and metadata from any URL.
URL Shortener
Shorten any long URL into a compact shareable link.
Document Processor
Convert PDF/DOCX to text, Markdown or other formats.
PDF Data Extractor
Upload any PDF to extract and analyze its text content.