Mini Tools Collection
Useful one-page tools for real work
ToolPatch is a growing collection of focused utilities. Each page handles one task with clear inputs, fast results, and practical outputs.
Browse by Use Case
Quick filters
Recent Tools
Favorite Tools
API Response Formatter
Beautify and syntax highlight JSON/XML responses.
Format API responses with syntax highlighting, size stats, and copy functionality.
CSS Minifier/Beautifier
Minify or beautify CSS code.
Minify CSS for production or beautify for readability with size comparison and copy functionality.
EBCDIC Converter
Convert text to EBCDIC hex and vice-versa.
Translate strings between UTF-8 and EBCDIC (IBM037) encoding. Useful for mainframe data analysis and legacy system integration.
Environment Variable Manager
Convert between .env formats and validate variables.
Convert environment variables between .env, Docker, Kubernetes, and JSON formats.
Git Diff Stat Calculator
Calculate lines added/removed from git diff output.
Analyze git diffs with file-by-file breakdown of additions and deletions.
JSON Diff Viewer
Compare two JSON objects and highlight differences.
Side-by-side JSON comparison with color-coded additions, deletions, and modifications.
Markdown Preview
Live markdown editor with real-time preview.
Write and preview markdown with GitHub Flavored Markdown support.
SQL Formatter
Beautify and format SQL queries.
Format SQL queries with proper indentation and keyword highlighting for better readability.