Validate, pretty-print, minify, sort keys and inspect JSON — entirely in your browser.

Generate a QR code from text/URL, or read one from an image.

Compute MD5 / SHA-1 / SHA-256 / SHA-512 of a file or text, and verify against an expected hash.

Open a Markdown file and read it as a formatted document — headings, tables, code blocks and task lists. Edit side by side, then save as HTML or print to PDF — entirely in your browser.

Compare two files or pasted texts side by side. Format-aware for JSON, XML/HTML, YAML and SQL so key order, indentation and keyword case don't show as changes — entirely in your browser.

Choose two folders and compare them side by side — which files are identical, which differ, which exist on only one side. Click a file to diff it line by line, merge the versions and download the result. Everything runs in your browser.

Paste or upload a stored procedure and see it as a flowchart — branches, loops and error handlers — plus a data-lineage view of the tables it reads and writes. Supports T-SQL, PL/SQL, PL/pgSQL, MySQL and Snowflake. Choose a whole folder of .sql files to search across every procedure by name or table. Runs entirely in your browser — your SQL is never uploaded.