JSON formatter & validator
Format, beautify, validate, and minify JSON online. Pinpoint syntax errors by line and column, sort keys, and copy or download the result.
SQLite database viewer and query editor
Open a local SQLite database, browse its schema, run SQL, and export query results.
Loading workspace…
How to use SQLite database viewer and query editor
Open a local SQLite database, browse its schema, run SQL, and export query results.
Use the sample to explore the controls, or open your own files. Processing takes place on this device. Download your result before closing the tab. Supported formats and practical limits are shown in the workspace.
SQLite database viewer and query editor FAQs
Is SQLite database viewer and query editor free?
SQLite database viewer and query editor is a free online tool on ReallyUseful.Tools. No account is required.
Does SQLite database viewer and query editor run in my browser?
SQLite database viewer and query editor is designed to run in your browser where supported, so files can stay on your device instead of being uploaded to a server.
More Developer Tools
Base64 encode / decode
Encode text to Base64 or decode Base64 back to text with full UTF-8 support and an optional URL-safe alphabet.
Unix timestamp converter
Convert Unix epoch timestamps to human-readable dates and back. Supports seconds and milliseconds, local time, UTC, and ISO 8601.
Hash generator
Generate MD5, SHA-1, SHA-256, SHA-512, SHA3, and CRC32 hashes for text or files. Verify checksums and create HMACs locally.
Regex tester
Test JavaScript regular expressions with live match highlighting, capture groups, flags, and replace preview.