Free SQL Tools Online - Formatter, Runner, SQLite Browser
Csv To Sql
Convert CSV data to SQL INSERT statements. Generate bulk inserts for MySQL, PostgreSQL, SQLite. Browser-based, private.
Csv To Sqlite
Convert CSV files to SQLite database. Import spreadsheet data into a queryable database. Client-side processing, your data stays private.
Dbase To Csv
Convert dBASE DBF files to CSV format. Extract data from legacy FoxPro, Clipper databases. Browser-based, secure, no uploads required.
Xlsx To Sqlite
Convert Excel spreadsheets to SQLite database. Each sheet becomes a table. Auto-detect types. Browser-based, private.
Json To Sqlite
Convert JSON arrays to SQLite database tables. Import multiple JSON files, auto-detect schema. Browser-based, no uploads.
Mdb To Csv
Convert Microsoft Access MDB/ACCDB files to CSV. Extract tables from legacy Access databases for spreadsheet use. Browser-based.
Sql Formatter
Format and beautify SQL queries online. Add proper indentation and line breaks. Supports MySQL, PostgreSQL, SQL Server, and more. Free and private.
Sql Keyword Uppercase
Convert SQL keywords to uppercase while keeping identifiers lowercase. Standard SQL formatting convention. Browser-based, instant.
Sql Minifier
Minify SQL queries by removing whitespace and comments. Reduce query size for logging and storage. Free, private, works offline.
Sql Playground
Learn and practice SQL with interactive sample databases. Run queries, see results instantly. Perfect for beginners and testing.
Sql Query Runner
Run SQL queries on SQLite databases in your browser. Write SELECT, INSERT, UPDATE, DELETE queries with instant results. Private, offline.
Sqlite Diff
Compare two SQLite databases and find schema and data differences. Identify added, removed, and modified tables and rows.
Sqlite Merger
Merge multiple SQLite databases into one. Combine tables, handle conflicts, preserve relationships. Browser-based, private.
Sqlite Er Diagram
Generate entity-relationship diagrams from SQLite databases. See tables, columns, and foreign key relationships visually.
Sqlite Fts Search
Test SQLite FTS5 full-text search on your data. Create search indexes, run queries, explore ranking. Browser-based demo.
Sqlite Index Advisor
Analyze SQLite queries and get index recommendations. Use EXPLAIN to find slow queries. Browser-based database optimization.
Sqlite Integrity Check
Check SQLite database integrity, detect corruption, verify foreign keys. Run PRAGMA integrity_check. Browser-based diagnostics.
Sqlite Repair
Repair corrupted SQLite databases by recovering tables and data. Run integrity checks and rebuild clean databases. Browser-based.
Sqlite Schema
Visualize SQLite database schema with tables, columns, types, and relationships. See foreign keys and indexes. Browser-based.
Sqlite Table Editor
Edit SQLite tables with a spreadsheet-like interface. Add, update, delete rows. Download modified database. Browser-based.
Sqlite To Csv
Export SQLite database tables to CSV format. Browse tables, preview data, download as CSV. Browser-based, no server upload.
Sqlite To Json
Convert SQLite database tables to JSON format. Export single tables or entire database. Runs in browser, files stay local.
Sqlite To Mysql
Convert SQLite databases to MySQL format. Transforms data types, syntax, and generates compatible SQL. Browser-based migration tool.
Sqlite To Sql
Export SQLite database as SQL dump file with CREATE and INSERT statements. Perfect for backups and migrations. Browser-based.
Sqlite Vacuum
Vacuum SQLite databases to reclaim space, defragment, and optimize. Run VACUUM and ANALYZE commands. Browser-based tool.
Sqlite Viewer
View SQLite database files in your browser. Browse tables, view schema, query data, export to CSV. No uploads, completely private.
SQL Query Formatting
Complex SQL queries with multiple JOINs, subqueries, and CTEs become unreadable without proper formatting. Well-structured SQL reveals query logic and makes optimization and debugging easier.
SQL Formatter
Transform single-line or inconsistently formatted queries into clean, readable SQL. Keywords are placed on consistent positions, subqueries are properly indented, and column lists are expanded one per line. Supports MySQL, PostgreSQL, SQL Server, and standard SQL dialects.
Browser-Based SQL Execution
Run SQL queries without installing database software. Our SQL runner uses SQL.js to execute SQLite commands entirely in your browser. Load existing databases, create new ones, and run any SQL command with instant results — complete SELECT, INSERT, UPDATE, DELETE, and DDL support.
Data Export
Export query results as CSV for spreadsheet analysis. Download modified databases as .sqlite files. Convert SQL dumps to structured JSON for use in APIs and JavaScript applications.
Privacy
Database files are processed entirely in your browser using WebAssembly. No data is uploaded to any server. This is crucial for databases containing sensitive information like user data, credentials, or business records.