Details: File format summary

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Properties

Summary
Name	JSON Lines Text Format
Version
Other names
Identifiers	PUID: fmt/2054
Family
Classification	Text (Structured)
Disclosure
Description	The JSON Lines text format, also called newline-delimited JSON. JSON Lines is used to store structured data that may be processed one record at a time, and is also a flexible format for passing messages between cooperating processes. It works well with unix-style text processing tools, shell pipelines and log files. There are three requirements to JSONL: UTF-8 Encoding Each Line is a Valid JSON Value Line Separator is '\n'
Orientation
Byte order
Related file formats	None.
Technical Environment
Released
Supported until
Format Risk
Developed by	Ian Ward / Ian Ward
Supported by	Ian Ward / Ian Ward
Source	Ross Spencer / Ravensburger AG
Source date	21 Jul 2025
Source description	v.121: new PUID.
Last updated	21 Jul 2025
Note	https://jsonlines.org/ https://en.wikipedia.org/wiki/JSON_streaming#Newline-delimited_JSON https://github.com/digital-preservation/PRONOM_Research/issues/89