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SQL Online Compiler (SQLite)

Write SQL and press Run: a real SQLite database in your browser, with every SELECT shown as a table.

  • Free
  • No signup
  • Nothing uploaded
  • No watermark

Source

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Query results

425 B
Ctrl+Enter · SQL (SQLite) · runs in your browser

Press Run to execute the program. Output appears here.

Read in this tab. Nothing you paste or open is ever uploaded.

How to Use the SQL Online Compiler (SQLite) Online

SQL Online Compiler (SQLite): before and after SQL A BEFORE SQL ONLINECOMPILER(SQLITE) SQL A AFTER

Runs SQL against a real SQLite database in your browser. Each Run creates a fresh database, executes the script statement by statement, prints every SELECT as an aligned table with a row count, and reports how many rows each INSERT, UPDATE or DELETE affected; the first error stops the script and names its line. Because the engine is real SQLite rather than a parser that pretends, everything SQLite does works — JOINs, GROUP BY, window functions, recursive CTEs, JSON and date functions — and the answer is the one a real database would give. It is the shape an online SQL compiler should have for learning, interview practice or checking a query before it reaches production data: type the schema and rows at the top, the query underneath, and read the result. Nothing is uploaded; the database lives in the tab and is gone when the run ends.

No software to install Free Works on any device

Step-by-Step Guide to Using the SQL Online Compiler (SQLite)

  1. 1. Write or paste your program on the left — a working example is loaded to start from

  2. 2. Press Run (or Ctrl+Enter)

    Every SELECT shows its rows as a table; other statements report what they changed.

  3. 3. Output appears beside the code

    errors name the line. Fix, run again, and Download the file when it is right.

Try it now

What is the SQL Online Compiler (SQLite)?

Runs SQL against a real SQLite database in your browser. Each Run creates a fresh database, executes the script statement by statement, prints every SELECT as an aligned table with a row count, and reports how many rows each INSERT, UPDATE or DELETE affected; the first error stops the script and names its line. Because the engine is real SQLite rather than a parser that pretends, everything SQLite does works — JOINs, GROUP BY, window functions, recursive CTEs, JSON and date functions — and the answer is the one a real database would give. It is the shape an online SQL compiler should have for learning, interview practice or checking a query before it reaches production data: type the schema and rows at the top, the query underneath, and read the result. Nothing is uploaded; the database lives in the tab and is gone when the run ends.

SQL file

.SQL

Write SQL and press Run: a real SQLite database in your browser, with every SELECT shown as a table.

Why Use an Online File Viewer?

Not every computer has the right program for a YAML, VCF, SRT or log file, and installing one just to look inside is a chore. A viewer opens the file in your browser and shows it neatly next to its source text.

“Sometimes you just need to see what is inside the file.”
  • No software to install
  • Data laid out as tables
  • Subtitles shown with timings
  • Code tried out in the page
  • Colour-coded source text
  • Contacts and calendars readable
  • Works on shared computers
  • Private files stay local

Popular Uses for Code and Data Viewers

People open these when a file arrives and nothing on the computer will show it.

  • Checking a JSON response Open a JSON or YAML file as a readable tree instead of one long line.
  • Reading contact backups See the names and numbers inside a VCF file exported from a phone.
  • Opening calendar invites Read the date, time and place in an ICS file before adding it.
  • Checking subtitles View SRT or VTT subtitles with their timings to spot a missing line.
  • Reading log files Scroll through a server or app log with the lines laid out clearly.
  • Previewing CSV and TSV Look at a data file as a table without opening a spreadsheet program.
  • Trying a code snippet Run a short Python or JavaScript example from a tutorial and see the output.
  • Viewing SVG graphics See how an SVG icon or drawing looks next to the markup behind it.

What You Can Do with the SQL Online Compiler (SQLite)

Understands SQL structure rather than treating the file as bytes

Renders the markup and shows the source together, so you can see cause and effect

Malformed input is reported with its position instead of being quietly corrected

Why Use ToolXkit for SQL Online Compiler (SQLite)?

Your files stay with you

Everything runs inside your browser. Nothing you open or type is uploaded to a server.

File Viewers for Different Users

Developers

Inspect config, env and data files on any machine without an editor installed.

Programming students

Try small programs in Python, JavaScript or SQL without setting anything up.

IT support staff

Open logs, HAR files and settings files that users send in.

Office workers

Read contact, calendar and CSV files that arrive as email attachments.

Video editors

Check subtitle files for timing and text before a video goes out.

Data analysts

Glance at CSV, TSV, JSONL and GeoJSON files before loading them anywhere.

Best Times to View a File Online

A browser viewer is handy when you are:

  • Using a borrowed or office computer
  • Opening an unfamiliar attachment
  • Checking a file before importing it
  • Learning to code without installing
  • Debugging a settings file
  • Proofreading subtitle timings
  • Looking inside a phone backup
  • Reviewing a server log

Frequently Asked Questions

Answers to common questions about this tool.

Which database is this?

A real SQLite database running in your browser, created fresh for every Run and thrown away afterwards. Everything SQLite supports works: CREATE TABLE, INSERT, UPDATE, JOINs, window functions, CTEs, JSON functions, date functions.

How do I see results?

Every SELECT (and WITH, VALUES, PRAGMA, EXPLAIN) prints its rows as an aligned table with a row count. INSERT, UPDATE and DELETE report how many rows they affected. Statements are separated by semicolons and run in order; the first error stops the script and names its line.

Can I load my own data?

Paste INSERT statements, or build them first with the CSV to SQL converter on this site and paste the result above your queries. There is no file import in this version, and nothing is stored between runs.

Is there a limit?

Each SELECT shows up to 500 rows — add a LIMIT and OFFSET to page through more. A script that runs longer than eight seconds is stopped, which usually means a recursive CTE without a terminating condition.

Does SQL Online Compiler (SQLite) upload my file?

No. The file is read by your browser and shown on screen without being sent anywhere. Config files with passwords, contact lists and logs remain on your own computer.

Do the online compilers run real code?

Some languages, such as Python, JavaScript, TypeScript, Lua and SQL, run inside your browser. For others, the page is mainly for reading and sharing the code, so read the note on that page to know what to expect.

Does SQL Online Compiler (SQLite) cost anything or need a login?

Neither. There is no fee, no sign-up and no cap on how many files you open. It works the same on a work laptop, a home computer or a phone.

What if my file is very large?

Large logs and data files depend on your device’s memory, because the whole file is read in the browser. If a huge file feels slow, try a computer with more memory or view a smaller part of it.

Can I open a file from my phone?

Yes. Use the file picker to choose it from your phone’s storage or a downloaded attachment, and the contents appear on the page. A larger screen is easier for long files, but everything works on mobile.

Further reading

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