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Convert TSV to JSON

World's Simplest JSON Tool

Free online TSV to JSON converter. Just load your TSV in the input field and it will automatically get converted to JSON. In the tool options, you can customize the format of the input TSV – choose whether to convert column headers into JSON object keys and disable quoting of numeric and boolean values. Additionally, you can adjust the formatting of the output JSON by indenting it with spaces or tabs, or print it minified with no indentation. Created for developers by developers from team Browserling.

᠎᠎᠎          Tool Options

Input TSV Format

Character used to separate
columns in your TSV file.
Character used to quote
values in your TSV file.
Character that marks the
beginning of comment lines.
Rows starting with this symbol
will be ignored during conversion.

Headers and Data Types

Enable this option if the first row
of your TSV file contains column
names. These names will be used
as keys of the JSON objects.
Exclude empty lines from
being converted.
Don't quote numerical and
boolean values in the
output JSON.

Pretty-print JSON

Output JSON with two spaces
for each level of indentation.
Output JSON with one tab
for each level of indentation.
Output JSON as a single
line of text for minimal size.

Convert TSV to JSON - What Is It?

This tool converts files in TSV (Tab Separated Values) format to JSON (JavaScript Object Notation) format. TSV is a text-based data storage format where values are separated by tabs. As tabs are almost never present in the data, the tab separator makes it very easy to parse (it's just a split via the tab symbol) and import such data into data processing applications. JSON is also a text-based data storage format but it's more widely used in programming as it supports structured data (with keys and values). It's much harder to parse as it has special syntax rules but it's equally readable by both humans and machines. Converting between these formats makes it easier to work with data in systems where JSON is the standard data format. The conversion process starts with setting the column delimiter symbol and the quotation symbol. For TSV the delimiter is usually a tab "\t" but this application also supports commas, semicolons, pipes, and other symbols. The quotation symbol is the standard double quotes (") but it can also be adjusted to single quotes or other symbols. In the options, you can also specify a comment symbol (usually "#") to identify comment lines to skip. Then, you can enable or disable the "Treat First Row as Headers" option. When enabled, TSV is converted to a JSON array with nested objects, using the headers from the first row as object keys. If headers are disabled, TSV becomes a JSON array with nested arrays, where the values of tab-separated rows become sub-arrays. The "Ignore Empty Lines" option excludes empty lines from the resulting JSON, and the "Detect Data Types" option avoids quoting numeric and boolean values. Additionally, you can pretty-print the output JSON – you can use two spaces or one tab for indentation, or disable indentation altogether to create a minified JSON file. For reverse data conversion, you can use our Convert JSON to TSV tool. Json-abulous!


Convert TSV to JSON Examples

Click to try!

Convert a Simple TSV to JSON

In this example, we convert a simple TSV file with three tab-separated columns into an array of JSON objects. We activate the "Treat First Row as Headers" option, which creates an array of objects. Each object has three keys corresponding to the column names found on the first row of the input TSV data.

a b c 1 2 3 4 5 6
[ { "a": "1", "b": "2", "c": "3" }, { "a": "4", "b": "5", "c": "6" } ]
Required options
These options will be used automatically if you select this example.
Character used to separate
columns in your TSV file.
Character used to quote
values in your TSV file.
Character that marks the
beginning of comment lines.
Rows starting with this symbol
will be ignored during conversion.
Enable this option if the first row
of your TSV file contains column
names. These names will be used
as keys of the JSON objects.
Exclude empty lines from
being converted.
Don't quote numerical and
boolean values in the
output JSON.
Output JSON with one tab
for each level of indentation.

Turn TSV to JSON without Headers

In the input of this example, we load a TSV with three unnamed columns, two tab-separated rows, and one comment. In the options, we specify that the comments start with the symbol "#" and, as a result, all lines starting with "#" are skipped during the conversion. In the output, we get a JSON array of two other arrays, where each subarray represents a row in the TSV.

Square Triangle Circle Cube Cone Sphere #Oval
[["Square","Triangle","Circle"],["Cube","Cone","Sphere"]]
Required options
These options will be used automatically if you select this example.
Character used to separate
columns in your TSV file.
Character used to quote
values in your TSV file.
Character that marks the
beginning of comment lines.
Rows starting with this symbol
will be ignored during conversion.
Enable this option if the first row
of your TSV file contains column
names. These names will be used
as keys of the JSON objects.
Exclude empty lines from
being converted.
Don't quote numerical and
boolean values in the
output JSON.
Output JSON as a single
line of text for minimal size.

Transform TSV to JSON with Headers

In this example, we transform TSV data with headers into a JSON array of objects and, additionally, we automatically detect JSON data types. As we're using the headers, the first row of TSV data ("item", "material", "quantity") becomes the JSON object keys, and the subsequent rows become JSON object values. As we're detecting JSON data types, the numeric values don't get quoted in the output JSON. Additionally, we skip empty lines during the conversion process.

item material quantity Hat Wool 3 Gloves Leather 5 Candle Wax 4 Vase Glass 2 Sculpture Bronze 1 Table Wood 1 Bookshelf Wood 2
[ { "item": "Hat", "material": "Wool", "quantity": 3 }, { "item": "Gloves", "material": "Leather", "quantity": 5 }, { "item": "Candle", "material": "Wax", "quantity": 4 }, { "item": "Vase", "material": "Glass", "quantity": 2 }, { "item": "Sculpture", "material": "Bronze", "quantity": 1 }, { "item": "Table", "material": "Wood", "quantity": 1 }, { "item": "Bookshelf", "material": "Wood", "quantity": 2 } ]
Required options
These options will be used automatically if you select this example.
Character used to separate
columns in your TSV file.
Character used to quote
values in your TSV file.
Character that marks the
beginning of comment lines.
Rows starting with this symbol
will be ignored during conversion.
Enable this option if the first row
of your TSV file contains column
names. These names will be used
as keys of the JSON objects.
Exclude empty lines from
being converted.
Don't quote numerical and
boolean values in the
output JSON.
Output JSON with two spaces
for each level of indentation.

Pro tips Master online json tools

You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!

https://onlinetools.com/json/convert-tsv-to-json?input=a%09b%09c%0A1%092%093%0A4%095%096&char-delimiter=%255Ct&char-comments=%2523&char-quote=%2522&convert-headers=true&convert-skip-empty=false&convert-dynamic-types=false&formatting-tabs=true

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Coming Soon

These JSON tools are on the way!
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