New
XML Formatter & Validator — Format and Validate XML in Your Browser
Format messy XML into readable indented code and validate against XML rules. Runs entirely in your browser — your XML data never leaves your device. Free.
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Tag: developer tools
New
YAML Formatter & JSON Converter — Format YAML Free in Your Browser
Format and validate YAML, convert YAML to JSON and back. Runs entirely in your browser — your configuration files never leave your device. Free and offline.
New
Markdown Cleanup Tool — Clean and Fix Markdown Formatting in Your Browser
Clean up messy Markdown — fix spacing, normalise headings, remove trailing whitespace, and more. Runs entirely in your browser, no uploads, free to use.
New
OpenAI Payload Validator — Validate API Request Bodies Before Sending
Validate OpenAI API request payloads against the official schema before making API calls. Catch errors instantly in your browser — no network requests, completely private.
New
Prompt Template Formatter — Fill Variables in AI Prompt Templates
Create reusable AI prompt templates with variables. Fill placeholders like {{name}} and {{topic}} instantly in your browser. No data sent to servers.
New
Free Regex Tester — Test Regular Expressions in Your Browser
Test and debug regular expressions with live match highlighting, group capture display, and replacement preview. Works offline — no data leaves your browser.