Developer Tools

Free Online Tools for Developers

Collection of lightweight, privacy-focused developer tools designed to make your SQL and database work faster and easier. All tools work 100% in your browser.

SQL Formatter

Format, beautify, minify, and validate SQL queries instantly. Perfect for cleaning up messy SQL and optimizing query size.

FormatBeautifyMinifyValidateDownloadCopy
#SQL#Database#Developer Tool

Excel to SQL Insert

Upload Excel or CSV files, infer table schema, and generate SQL Server CREATE TABLE plus INSERT statements instantly.

ExcelCSVCREATE TABLEINSERTType DetectionDownload
#SQL Server#Import#Data Migration

SQL Version Checker

Paste a T-SQL query and instantly see which SQL Server version it needs, with a full 2008-2022 + Azure SQL compatibility matrix.

Version DetectionCompatibility MatrixAlternativesClient-side
#SQL Server#Compatibility#T-SQL

SQL Hidden Character Detector

Find and clean invisible characters — smart quotes, non-breaking spaces, zero-width characters — that break sqlcmd, SSMS, or psql.

DetectHighlightAuto-cleanDownload
#SQL#Debugging#Data Cleanup

Why Use Our Tools?

  • ✓100% Free - No registration, no API keys, no limits
  • ✓Privacy First - All processing happens in your browser, no data sent to servers
  • ✓No Setup - Open the page and start using the tool instantly
  • ✓Lightning Fast - No server delays, instant results with client-side processing

Coming Soon

  • →JSON Formatter - Format and validate JSON
  • →CSV Converter - Convert between CSV, JSON, SQL
  • →Regex Tester - Test and explain regex patterns
  • →Query Builder - Build SQL queries interactively

More tools are being added regularly. Have a tool suggestion?

Suggest a Tool