Developer tool

JSON to SQLite Converter

Turn a JSON array of records into a queryable SQLite database. Free, private, built in memory — nothing is written to disk.

JSON SQLite
PrivConvert
Privacy-first conversion
No files stored
In-memory processing
Deleted instantly
No sign-up needed

Complete the security check to begin

From API response to something you can query

A JSON dump is easy to produce and awkward to interrogate. Counting, grouping or joining it usually means writing a throwaway script, and every script is a new chance to get the aggregation wrong. Turning the file into a SQLite database gives you the same records with a query language on top — and because SQLite understands JSON, the nested parts stay reachable rather than being flattened away.

  • Every key becomes a column; a missing key becomes NULL, not an empty string
  • Numbers, booleans and nulls keep their JSON types
  • Nested objects and arrays stay intact as JSON, readable with json_extract
  • Built in memory with quoted identifiers and bound values — nothing from the file is executed

Prefer plain statements you can inspect first? JSON to SQL writes CREATE TABLE and INSERT text instead of a database file.

About Converting JSON to SQLite

JSON is the dominant data-interchange format for web APIs and configuration. Its lightweight, human-readable structure of key/value pairs and arrays is parsed natively by nearly every language. When you need to move away from JSON, the usual reason is simple: no comments.

Converting your JSON data file to SQLite solves that. SQLite is a complete relational database held in a single file, with the whole engine embedded in the program that opens it — there is no server to install or run. It is the most widely deployed database in the world, sitting inside phones, browsers and desktop applications, and it is a recognised long-term archival format. In practice you gain a whole database, indexes and all, in one portable file and queryable with ordinary sql, including joins and aggregates. PrivConvert runs the whole JSON-to-SQLite conversion in server memory and deletes your file the instant the SQLite is ready — nothing is stored, logged or reused.

When this conversion helps

  • You need a whole database, indexes and all, in one portable file
  • You need queryable with ordinary SQL, including joins and aggregates
  • You need no server, driver or import step to set up
  • You need stores real types, so numbers sort and compare as numbers
  • Sharing a JSON data file with someone whose software expects SQLite

Tips for best results

  • Files up to 250 MB are supported, and you can batch-convert several JSON files at once; each is processed privately and deleted immediately.

How to Convert JSON to SQLite Online

Turning a JSON file into SQLite is straightforward here — upload, convert, download. What you gain with SQLite: a whole database, indexes and all, in one portable file.

1
Upload your JSON file

Drag and drop your file into the upload area, click to browse your device, or paste a URL to a file hosted online. You can upload files up to 250 MB and batch convert up to 20 files at once.

2
Automatic conversion

Once uploaded, the conversion from JSON to SQLite starts automatically. The process runs entirely in an isolated environment - your data never leaves the secure pipeline.

3
Download your SQLite file

Your converted file is ready instantly. Click the download button to save it to your device. The file is deleted from memory immediately after download.

Why choose PrivConvert?

Converting JSON to SQLite should not mean handing a stranger a permanent copy of your data. PrivConvert processes everything in memory and forgets it instantly.

No account required

Convert instantly with no sign-up, no email and no profiling cookies. We never build a profile around you or the files you convert.

Works on any device

Runs in any modern browser on Windows, macOS, Linux, Android and iOS — no install, plugin or desktop software needed.

Fast in-memory processing

Each job runs in an isolated in-memory sandbox, so most conversions finish in seconds instead of waiting in a queue.

Nothing is stored

We never keep a copy. Once your SQLite is delivered, both the original and the result are gone — there is nothing left to leak or misuse.

JSON vs SQLite - Format Comparison

FeatureJSONSQLite
File extension.json.sqlite
Full nameJavaScript Object NotationSQLite Database
Introduced2000
EncodingTextBinary
EditableYes
Open standardYesYes
Supported by PrivConvertYes (as input)Yes (as output)
Privacy-safe conversionIn-memory, zero storage
Max file size250 MB per file
Batch supportUp to 20 files simultaneously

Trusted by thousands of users

Professionals reach for PrivConvert when the file they are converting is sensitive and cannot be left sitting on someone else’s server.

250 MB Max file size
450+ Conversion tools
0 sec File retention
100% Free to use

Frequently Asked Questions

What shape does my JSON need to be?
An array of objects, which is what almost every API returns — for example [{"id":1,"name":"Alice"},{"id":2,"name":"Bob"}]. A single object on its own also works and becomes a one-row table. A bare number, string or array of arrays has no field names to turn into columns, so it is rejected with a clear message.
What happens if records have different keys?
Every key seen anywhere in the file becomes a column, in the order it first appears. A record that does not have a given key gets NULL for it, so a slightly irregular API response still loads into one clean table instead of failing.
How are nested objects and arrays handled?
They are kept as compact JSON text in the cell rather than being flattened into extra columns, so nothing is lost or invented. Because SQLite ships with JSON functions, you can still reach inside them from SQL using json_extract on that column.
Do types survive the trip?
Yes. JSON already tells us what each value is, so numbers arrive as numbers, true and false become 1 and 0, and null becomes SQL NULL. A column holding only whole numbers is declared INTEGER, one mixing whole and decimal numbers is declared NUMERIC so both survive unchanged.
What is the table called?
my_table, matching the JSON to SQL converter so scripts using both behave the same way. Rename it in one statement if you need something else: ALTER TABLE my_table RENAME TO whatever.
Is my data kept private?
Yes. The database is assembled in memory and handed straight back to you — it is never written to disk, never stored, never logged, and is gone as soon as your download completes.
Could a hostile key name do anything?
No. Column names are quoted and every value is passed as a bound parameter, so a key containing SQL becomes a column with a strange name and nothing more. It is never executed.
Are there any size limits?
Up to 50 MB of JSON, 500 columns and 500,000 records. Nesting is also bounded, which stops a deeply nested document from being used to exhaust the parser.
Can I use this from my own code?
Yes. This converter is a plain HTTP endpoint and part of the developer API, so a pipeline can drop an API response straight into a database it can query.

Further Reading