Conversion Tools
Explore free online developer tools in this category—formatters, converters, generators, and more. Open any card to use the tool in your browser.
20 tools available
- JSON to CSV Converter OnlineFree online data tool to export JSON arrays into spreadsheet-ready CSV for reports and ETL.
- CSV to JSON Converter OnlineFree online converter that turns CSV rows into JSON objects for apps, scripts, and data pipelines.
- XML to JSON Converter OnlineFree online structured-data tool to map XML documents into JSON for JavaScript-friendly processing.
- HEX RGB HSL Color Converter OnlineFree online color converter for developers to swap HEX, RGB, and HSL values for CSS and design tokens.
- JSON to XML Converter OnlineFree online converter that serializes JSON objects into XML for legacy services and integrations.
- TSV to CSV Converter OnlineFree online delimiter tool that converts tab-separated tables into comma-separated CSV files.
- CSV Delimiter Converter OnlineFree online CSV tool that swaps commas, semicolons, and tabs for locale-specific spreadsheet exports.
- YAML to JSON Converter OnlineFree online converter that turns YAML configs into JSON for APIs, CLIs, and automation scripts.
- JSON to YAML Converter OnlineFree online DevOps tool that converts JSON into readable YAML for Kubernetes and CI configs.
- Markdown to HTML Converter OnlineFree online Markdown converter that renders HTML previews for READMEs, blogs, and documentation.
- HTML to Markdown Converter OnlineFree online HTML-to-Markdown tool that simplifies markup migration for docs sites and wikis.
- Number Base Converter OnlineFree online radix converter for binary, decimal, octal, and hexadecimal integers used in low-level work.
- UUID to Hex Bytes Converter OnlineFree online low-level tool that shows the 16-byte hex layout behind a UUID for database debugging.
- Hex Bytes to UUID Converter OnlineFree online binary helper that rebuilds canonical UUID strings from 16-byte hex sequences.
- Base64 to Hex Converter OnlineFree online converter that decodes Base64 into spaced hex bytes for token and binary inspection.
- Hex to Base64 Converter OnlineFree online bridge tool that packs hex byte strings into Base64 for API payloads and logs.
- UUID to Short ID Encoder OnlineFree online encoder that compresses UUIDs into shorter representations for URLs and correlation keys.
- Short ID to UUID Decoder OnlineFree online decoder that expands compact UUID encodings back into full canonical UUID strings.
- .env to JSON Converter OnlineFree online converter that turns dotenv KEY=VALUE files into JSON objects—never paste production secrets.
- JSON to .env Converter OnlineFree online tool that flattens JSON into .env syntax for local development templates.