Data Conversion
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Data Conversion

Transform data between formats including CSV, JSON, XML, YAML, TOML, Excel, and Base64 with ease.

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At a glance

1300+

Tools available

100%

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Most tools run in your browser for speed and privacy.

Private by default

Your inputs stay on your device — we don't store them.

85 tools

CSV to JSON

CSV to JSON

Convert CSV file or string to JSON

Convert Query String to JSON

Convert Query String to JSON

Convert Query String to JSON

JSON to YAML Converter

JSON to YAML Converter

JSON to YAML Converter

YAML to JSON Converter

YAML to JSON Converter

YAML to JSON Converter

JSON to JSONLINE

JSON to JSONLINE

Convert JSON file to JSONLINE file effortlessly

JSONLINE to JSON

JSONLINE to JSON

Convert JSONLINE file to JSON file effortlessly

JSON to CSV Converter

JSON to CSV Converter

JSON to CSV Converter

RSS To JSON Converter

RSS To JSON Converter

RSS To JSON Converter

SVG to Base64 Converter

SVG to Base64 Converter

Convert SVG to Base64 effortlessly

TOML to JSON Converter

TOML to JSON Converter

TOML to JSON Converter

JSON to TOML Converter

JSON to TOML Converter

JSON to TOML Converter

Excel To JSON Converter

Excel To JSON Converter

Excel To JSON Converter

JSON to Excel Converter

JSON to Excel Converter

JSON to Excel Converter

JSON to HTML TABLE Converter

JSON to HTML TABLE Converter

JSON to HTML TABLE Converter

Excel to HTML Table Converter

Excel to HTML Table Converter

Convert Excel and CSV files to HTML tables with our free online tool. Easy to use, no registration required.

JSON Flatten Array

JSON Flatten Array

Flatten nested JSON arrays and objects into a single-level structure with customizable separators and options.

HTML to YAML Converter

HTML to YAML Converter

Convert HTML documents to YAML format with our powerful HTML to YAML converter tool. Transform HTML structure into structured YAML data easily.

Base64 to TSV Converter

Base64 to TSV Converter

Convert Base64 encoded data to TSV (Tab-Separated Values) format. Free online Base64 to TSV converter with real-time conversion.

XML to HTML Converter

XML to HTML Converter

Convert XML data to HTML format instantly. Free online XML to HTML converter that displays XML data in readable HTML tables and formatted structure.

JSON to TSV Converter

JSON to TSV Converter

Convert JSON data to TSV (Tab-Separated Values) format instantly. Free online JSON to TSV converter that transforms JSON arrays and objects into tab-separated format.

OPML to JSON Converter

OPML to JSON Converter

Convert OPML files to JSON format instantly. Free online OPML to JSON converter that transforms OPML (Outline Processor Markup Language) feed subscriptions to structured JSON data.

CSV Escape Unescape

CSV Escape Unescape

Escape and unescape CSV data instantly. Free online CSV escape/unescape tool that handles quotes, commas, and special characters in CSV format.

Excel to JSON

Excel to JSON

Convert Excel files (XLS, XLSX) to JSON format instantly. Free online Excel to JSON converter with sheet selection, header options, and real-time conversion.

XML to Excel Converter

XML to Excel Converter

Convert XML data to Excel format instantly. Free online XML to Excel converter with file upload support.

JSON to XML Converter

JSON to XML Converter

Convert JSON data to XML format instantly. Free online JSON to XML converter with file upload support and customizable options.

String Binary Converter

String Binary Converter

Convert strings to binary and binary to text online. Free bidirectional string to binary converter with real-time conversion. Perfect for encoding, decoding, and learning binary representation.

XML Converter

XML Converter

Convert XML to JSON, YAML, CSV, and TSV formats instantly. Free online XML converter tool with real-time conversion.

XML to TSV Converter

XML to TSV Converter

Convert XML files to TSV (Tab-Separated Values) format instantly. Free online XML to TSV converter for data transformation.

Base64 to JSON Converter

Base64 to JSON Converter

Convert Base64-encoded strings into readable JSON instantly in your browser.

Delimited Text Extractor

Delimited Text Extractor

Extract specific columns or fields from delimited text files (CSV, TSV, etc.). Choose your delimiter and select which columns to extract.

Table to HTML Converter

Table to HTML Converter

Convert CSV, TSV, or tabular data to HTML table format. Free online tool to generate HTML tables from structured data.

Binary to Text

Binary to Text

Convert binary code to text instantly. Free online binary to text converter with UTF-8 encoding support, real-time conversion, and detailed character information.

Base64 to CSV Converter

Base64 to CSV Converter

Decode Base64 encoded data and convert it to CSV format instantly. Free online Base64 to CSV converter with validation and error handling.

JSON to Text Converter

JSON to Text Converter

Convert JSON data to plain text format instantly. Free online JSON to text converter that extracts values from JSON objects and arrays into readable text format.

Yaml To Excel Converter

Yaml To Excel Converter

Convert YAML data into downloadable Excel files (XLSX/XLS).

YAML to JSON XML CSV Converter

YAML to JSON XML CSV Converter

Convert YAML data to JSON, XML, and CSV formats.

TSV to Base64 Converter

TSV to Base64 Converter

Convert TSV text to Base64 instantly in your browser.

CSV to Excel Converter

CSV to Excel Converter

Convert CSV data to Excel XLSX files instantly with delimiter and header options.

SQL to YAML Converter

SQL to YAML Converter

Convert SQL INSERT statements to YAML output instantly.

SQL to HTML Converter

SQL to HTML Converter

Convert SQL queries to HTML-safe code snippets for blogs and documentation. Free SQL to HTML converter with optional formatting.

JSON to Base64 Converter

JSON to Base64 Converter

Validate JSON and encode it to a UTF-8 safe Base64 string in your browser.

CSV To XML Converter

CSV To XML Converter

Convert CSV data to XML format with customizable root and row element names

HTML To JSON Converter

HTML To JSON Converter

Convert HTML markup into a JSON tree structure in the browser

XML to CSV Converter

XML to CSV Converter

Turn repeating XML records into CSV in your browser.

Sql To Xml Converter

Sql To Xml Converter

Convert SQL INSERT statement data into well-formed XML in your browser.

Excel To XML

Excel To XML

Convert Excel files into structured XML output instantly.

SQL to JSON Converter

SQL to JSON Converter

Convert SQL INSERT statements into structured JSON output in real time.

CSV to TSV Converter

CSV to TSV Converter

Convert comma-separated values into tab-separated values

CSV to Base64 Converter

CSV to Base64 Converter

Convert CSV data to Base64 encoded string instantly in your browser.

HTML to CSV Converter

HTML to CSV Converter

Extract data from HTML tables and convert it to CSV format directly in the browser with multi-table support.

CSV to SQL Converter

CSV to SQL Converter

Convert CSV data into SQL INSERT statements instantly in your browser.

SOAP to JSON Converter

SOAP to JSON Converter

Parse SOAP envelopes and convert XML payload to formatted JSON in your browser.

JavaScript to Base64 Converter

JavaScript to Base64 Converter

Encode plain text or Unicode strings to Base64 with UTF-8 handling, URL-safe option, and instant copy.

Tsv To Csv Converter

Tsv To Csv Converter

Convert tab-separated values to comma-separated values safely

Base64 To CSS Converter

Base64 To CSS Converter

Decode Base64 text to plain CSS with UTF-8 safe decoding

Tsv To Json Converter

Tsv To Json Converter

Parse TSV rows into JSON arrays or keyed objects with instant browser-side conversion.

WSDL to JSON Converter

WSDL to JSON Converter

Parse WSDL XML into structured JSON with namespace-aware parsing, optional envelope stripping, and copy-ready output in the browser.

TSV to HTML Converter

TSV to HTML Converter

Convert tab-separated values into a clean HTML table with headers.

CSV to YAML Converter

CSV to YAML Converter

Convert CSV text into structured, clean YAML format instantly in your browser.

CSV to Text Converter

CSV to Text Converter

Convert CSV text into neatly aligned monospaced plain text columns instantly.

Text to CSV Converter

Text to CSV Converter

Convert monospaced or column-aligned plain text into structured, clean CSV format.

Change CSV Delimiter

Change CSV Delimiter

Parse CSV text and convert column separators to commas, semicolons, tabs, pipes, or other custom characters.

Prepend CSV Columns

Prepend CSV Columns

Prepend new columns to the beginning of each row in a CSV file with custom values or auto-incrementing numbers.

Append CSV Columns

Append CSV Columns

Append new columns to the end of each row in a CSV file with custom values or auto-incrementing numbers.

Insert CSV Columns

Insert CSV Columns

Insert new columns at any specific position or index in a CSV file with custom or sequential values.

Extract CSV Columns

Extract CSV Columns

Extract specific columns from a CSV file by column index or header name.

Replace CSV Columns

Replace CSV Columns

Replace the values of specific columns in a CSV file with a constant value or dynamic text.

Delete CSV Columns

Delete CSV Columns

Delete specific columns from a CSV file by column index or header name.

Swap CSV Columns

Swap CSV Columns

Swap the position of two columns in a CSV file by column index or header name.

Convert CSV Columns to Rows

Convert CSV Columns to Rows

Convert CSV columns to rows (transpose CSV axes) instantly in your browser. Swap rows and columns, customize delimiters, and export the transposed CSV.

Truncate CSV Columns

Truncate CSV Columns

Truncate characters in CSV columns to a specific length instantly in your browser. Select columns, set maximum length, choose truncation side, and download the truncated CSV.

Trim CSV Columns

Trim CSV Columns

Trim leading and trailing whitespace from CSV columns instantly in your browser. Remove double spaces, clean selected columns, and download clean CSV output.

Sort CSV Columns

Sort CSV Columns

Sort CSV rows by a specific column instantly in your browser. Choose numerical, alphabetical, or length sorting in ascending or descending order.

Remove CSV Quotes

Remove CSV Quotes

Remove single, double, or custom quotation marks around CSV fields instantly in your browser. Configure wrapper-only or global quote stripping.

Add CSV Quotes

Add CSV Quotes

Add double, single, or custom quotation marks around CSV fields instantly in your browser. Configure conditional quoting for all or non-numeric fields.

Change CSV Quotes

Change CSV Quotes

Change CSV quotation marks. Switch between double, single, or custom quotation marks around fields in a CSV file.

Validate CSV

Validate CSV

Validate CSV files for formatting errors. Check column consistency, find empty fields, detect duplicate headers, and verify CSV structure instantly in the browser.

Find Incomplete CSV Records

Find Incomplete CSV Records

Find CSV rows with missing or fewer columns than expected. Identify incomplete records in your CSV data instantly in the browser.

Fill Incomplete CSV Records

Fill Incomplete CSV Records

Fill missing columns in incomplete CSV rows with a custom placeholder value or empty string to make all rows have equal column counts.

Convert XML to JSON

Convert XML to JSON

Convert XML markup into structured JSON format instantly in the browser. Parse XML elements, attributes, and text nodes into clean JSON output.

Convert JSON to BSON

Convert JSON to BSON

Convert JSON data to BSON (Binary JSON) format. View BSON hex encoding and byte representation of JSON objects for MongoDB and other BSON-based databases.

URL Decode JSON

URL Decode JSON

Decode URL-encoded strings containing JSON data and pretty-print them into structured, readable JSON format instantly in your browser.

Convert JSON to Properties

Convert JSON to Properties

Convert hierarchical, nested JSON objects into flat Java or INI-style .properties files using key-dot-notation.

Convert Properties to JSON

Convert Properties to JSON

Convert flat Java or INI-style .properties files back into structured, nested JSON objects recursively.

BCD to Binary Converter

BCD to Binary Converter

Free online BCD to Binary converter. Convert Binary-Coded Decimal numbers to pure binary with step-by-step visualization, digit decoding, and detailed explanations.

Frequently Asked Questions

Straight answers about how Online Mini Tools works.

Are the tools on this website free to use?
Yes, all tools hosted on our website are completely free to use. We believe in providing convenient and useful utilities without any hidden costs or paywalls.
Do I need to create an account to use the tools?
No, you do not need to create an account. Our tools are accessible to everyone visiting our website instantly, without registration or login.
Can I suggest new tools or features?
Absolutely! We welcome suggestions for new tools or features that would benefit you. Please reach out to us at [email protected].
Are the results generated by these tools accurate?
We strive to ensure absolute accuracy in our tools. However, results are determined by the input data provided. We always recommend verifying critical calculations for professional or legal applications.
Are my inputs and results private and secure?
Yes, privacy and security are fundamental. Processing happens entirely client-side on your browser for most tools, and we do not store, view, or log any of your inputs, data, or results.
Are these tools compatible with mobile devices?
Yes, our layout is mobile-first. Every tool adapts beautifully to smartphones, tablets, laptops, and wide screen monitors.

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