2 MB JSON sample file

A JSON file of exactly 2,097,152 bytes. It is a valid JavaScript Object Notation file, generated for this site and checked with an independent parser. Use it wherever you need a 2 MB sample, test or dummy JSON file.

sample-json-2mb.json

2 MB2,097,152 bytes

Download 2 MB JSON

Direct download. No sign-up and no waiting.

Type: application/json
SHA-256: 9c0fb9db07a22b2ae37a5da27a2f00a28840a8937d72a7ca0a3b71243f2b960e
Direct URL: https://sampletestfiles.com/downloads/json/sample-json-2mb.json

What is in this file

An object with a "records" array of 6,052 fictional customer objects, each with nested objects, an array and a nullable field. A final "padding" string brings the file to the exact size.

Records	6,052
Root type	Object
Value types used	string, number, boolean, null, array, object
Encoding	UTF-8 (ASCII characters only)
Indentation	2 spaces, one record per line

How the file begins

The opening lines of sample-json-2mb.json, exactly as they appear in the file.

{
  "generator": "SampleTestFiles",
  "description": "Sample JSON file (2 MB) for testing",
  "records": [
    {"id":1,"uuid":"a6cf3b6b-cd57-4173-a942-a2339c75f449","name":{"first":"Ethan","last":"Zeller"},"email":"ethan.zeller1@example.com","active":true,"…
    {"id":2,"uuid":"e86fd25c-cc5a-44ae-a8ee-4439d8d6c68e","name":{"first":"Elena","last":"Underhill"},"email":"elena.underhill2@example.net","active":…

Preview

Shows the first 64 KB of the file.

Where 2 MB matters

A 2,097,152-byte file: exactly the default upload limit of PHP, and twice the default of nginx and Spring Boot. These are the default limits a file of this size is useful for testing:

System	Limit	Note
PHP	2 MB per uploaded file by default (upload_max_filesize)	A file of exactly 2 MB is accepted; one byte more is refused.
nginx	1 MB by default (client_max_body_size)	Rejected with 413 Request Entity Too Large.
Spring Boot multipart	1 MB per file by default (max-file-size)	Rejected unless the property is raised.
Django	2.5 MB in memory by default	2 MB is held in memory; the 5 MB sample is streamed to a temporary file.
Vercel Functions	4.5 MB request body	Accepted, including as base64 at about 2.8 MB.

All 2 MB sample files

Use this file for

Finding out whether a 1 MB default has been raised
Testing parsers, schema validators and serialisers
Load-testing endpoints with large payloads

Testing notes for JSON

Most parsers read numbers as 64-bit floats, so integers above 2^53 silently lose precision. Send large identifiers as strings.
Parsing a large document with a DOM-style parser needs several times its size in memory. Use a streaming parser or JSON Lines for big data.

JSON format reference

Technical details

File name	sample-json-2mb.json
Format	JSON (JavaScript Object Notation)
Extension	.json
MIME type	application/json
Size	2,097,152 bytes (2 MB)
Kind	Text
SHA-256	9c0fb9db07a22b2ae37a5da27a2f00a28840a8937d72a7ca0a3b71243f2b960e
Created	2026-10-10
Validation	Exact size, signature bytes and structure checked when the file was generated
Preview	Available on this page
Source	Generated for this site; not copied from elsewhere
Licence	Free to use, modify and redistribute (terms)
Category	Data

Validated for expected format and integrity. As with any download, scan the file with your own security tools before opening it. How files are made and checked

Download from the command line and verify

Fetch the file with curl, then compare its checksum with the SHA-256 value above.

curl -o sample-json-2mb.json 'https://sampletestfiles.com/downloads/json/sample-json-2mb.json'
sha256sum sample-json-2mb.json     # Linux
shasum -a 256 sample-json-2mb.json # macOS

On Windows, run Get-FileHash sample-json-2mb.json -Algorithm SHA256 in PowerShell. A matching value proves that the download is complete and unaltered.

Related files

Questions about this file

Is this file exactly 2 MB?: Yes. It is 2,097,152 bytes, which is 2 MB in the binary units that operating systems and server limits use (1 KB = 1,024 bytes).
What is inside the 2 MB JSON file?: An object with a "records" array of 6,052 fictional customer objects, each with nested objects, an array and a nullable field. A final "padding" string brings the file to the exact size.
Why is there a "padding" field?: JSON has no comments, so a final string member is used to bring each sized file to its exact byte count.

Download