Developer Tools Suite
Professional tools for data conversion, color design, and development workflows
Save hours of development time with our comprehensive collection of browser-based tools. From data format conversions to color palette generation, every tool is designed to streamline your workflow and boost productivity. No installations, no sign-ups, just instant access to powerful utilities that work right in your browser.
36
Total Tools
100%
Free & Open
Data Formats
Convert, validate, and format various data types
JSON Tools
Format, validate, and minify JSON data
XML Tools
Format, validate, and query XML with XPath
YAML Tools
Convert between YAML and JSON formats
TOML Tools
Parse and convert TOML configuration files
CSV/TSV Tools
Parse, convert, and analyze CSV data
INI Tools
Convert INI configuration files
ENV Tools
Manage environment variable files
Color Tools
Create and analyze color palettes for your designs
Binary Formats
Work with binary data serialization formats
Protocol Buffers
Generate and validate Protocol Buffer schemas
MessagePack
Encode and decode MessagePack binary format
Apache Avro
Validate and work with Avro schemas
Apache Thrift
Generate Thrift IDL and validate schemas
Parquet
Generate schemas for columnar storage
ORC
Work with Optimized Row Columnar format
WASM Tools
Assemble and disassemble WebAssembly
Pickle
Analyze Python pickle files safely
Specialized Formats
Tools for industry-specific data formats
Converters
Convert between different text and markup formats
HTML to Markdown
Convert HTML to clean Markdown
Markdown to HTML
Transform Markdown to HTML
Word to Markdown
Convert Word documents to Markdown
HTML to PDFNew
Convert HTML documents to PDF format
Markdown to PDFNew
Convert Markdown directly to PDF
Markdown to WordNew
Convert Markdown to Word (.docx) format
Calculators
Comprehensive calculator tools for various applications
Printing CalculatorNew
Accounting calculator with tape functionality and memory features
Basic CalculatorPopular
Essential calculator for everyday calculations with tutorials
Scientific Calculator
Advanced calculator for scientific and engineering computations
Financial Calculator
Loan, investment, and retirement planning calculations
Graphing Calculator
Visualize mathematical functions and explore their behavior
Color Wheel Calculator
Interactive color theory tool for creating perfect harmonies
Gematria Calculator
Calculate Pythagorean and Chaldean gematria values
Why Developers Love Our Tools
Built by developers, for developers. Here's what makes our tools stand out.
100% Secure & Private
All processing happens locally in your browser. Your sensitive data never touches our servers, ensuring complete privacy for API keys, credentials, and proprietary code.
Blazing Fast Performance
No API calls, no server processing, no waiting. Get instant results even with large files. Perfect for rapid prototyping and continuous development workflows.
Works Everywhere
Use our tools offline, on any device, in any environment. No installations, dependencies, or compatibility issues. If you have a browser, you're ready to go.
Real-World Use Cases
Quickly format JSON payloads, validate schemas, and convert between data formats during API integration.
Convert Markdown to HTML for blogs, or HTML to Markdown for README files and documentation.
Generate color palettes, check contrast ratios, and create gradients that meet accessibility standards.
Transform CSV to JSON, XML to YAML, or any format conversion needed for data pipelines.
Security & Privacy First
Our developer tools are designed with security and privacy as top priorities:
- Client-Side Processing: All conversions happen in your browser - your data never leaves your device
- XSS Protection: Input sanitization prevents cross-site scripting attacks
- No Data Collection: We don't store, log, or analyze your converted content
- Open Standards: Built with trusted libraries like DOMPurify and marked.js
- OWASP Compliance: Following security best practices and guidelines
Frequently Asked Questions
Is my data secure when using these tools?
Yes! All processing happens locally in your browser. Your data is never sent to any server, ensuring complete privacy and security.
Do these tools work offline?
Yes, once the page is loaded, you can use all features without an internet connection. Perfect for working with sensitive data or in environments with limited connectivity.
What file size limits are there?
Since processing happens in your browser, the only limit is your device's available memory. We've tested with files up to 10MB without issues on modern devices.