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Locale and Localization Tools

16 tools in total

Convert locale identifiers, inspect language and region codes, and work with time zones and text direction.

Open locale converter en_US.UTF-8 → en-US

Convert supported POSIX-style identifiers to BCP 47 tags for web applications. Check language, script and region subtags against RFC 5646. This converts identifiers; it does not translate text.

Number Formatter

Format US, European and Indian number separators, or copy plain digits. Enter 1e+03 to display 1000.

LTR to RTL Text Direction Converter

Convert LTR to RTL or RTL to LTR online. Preview Arabic, Hebrew and mixed text, add Unicode directio

Currency Formatter

Professional currency formatting tool with international symbols, positioning, and locale convention

TOML Converter

Convert TOML configuration files to YAML, JSON and other formats Fast in your browser, free to use,

JSON Converter

Convert JSON data to CSV, YAML, TOML and other formats Fast in your browser, free to use, privacy-fr

YAML Converter

Convert YAML configuration files to TOML, JSON and other formats Fast in your browser, free to use,

CSV Converter

Convert CSV data to JSON, Excel XLSX, or TSV in your browser. Choose a conversion below, then paste

Timezone Converter

Fast and reliable timezone conversion tool for global time zone conversions Fast in your browser, fr

Currency Converter

Real-time currency conversion using free exchange-rate data Fast in your browser, free to use, priva

CSV to JSON / JSON to CSV Converter

Convert CSV and JSON data bidirectionally in your browser for API, spreadsheet, and structured-data

Excel to CSV Converter

Convert Excel XLSX/XLS spreadsheets to CSV format directly in your browser Fast in your browser, fre

JSON to XML / XML to JSON Converter

Convert JSON and XML data structures with browser-side parsing Fast in your browser, free to use, pr

Encoding Converter

Comprehensive text encoding converter supporting UTF-8, ASCII, Base64, URL encoding and more

Language Code Converter

Convert between ISO 639, BCP 47, and locale codes for international language standards

Locale Converter

Parse locale identifiers, preview number/date/currency formatting, and compare locales side by side

Date Format Converter

Advanced date format converter supporting ISO 8601, regional formats, and custom patterns

No tools found

4 Groups

Quick conversions

TOML Converter

2 pairs View All Tools
TOML to YAML Converter TOML to JSON Converter

JSON Converter

3 pairs View All Tools
JSON to YAML Converter JSON to TOML Converter JSON to CSV Converter

YAML Converter

2 pairs View All Tools
YAML to TOML Converter YAML to JSON Converter

CSV Converter

4 pairs View All Tools
CSV to TSV Converter TXT to CSV Converter CSV to JSON Converter CSV to Excel Converter

Frequently Asked Questions

Are Locale and Localization Tools tools free to use?
No account is needed. Check the selected tool for supported formats, file sizes and any service limits.
What should I check before using a result?
Check the input format, units, settings and rounding. Verify important results against a trusted source.
Can I use Locale and Localization Tools tools on mobile?
Use a current browser on your phone or tablet. Available formats and processing capacity depend on the browser and device.
How to Use Locale and Localization Tools Tools
  1. Select a tool from the list above
  2. Enter your value or upload your file
  3. Choose your target format or unit
  4. Review the result, then copy or download it where supported

Browse by task

Number Formatter (1)
CSV · JSON · TOML · TSV · TXT · XLSX (18)
Currency Converter · Currency Formatter (2)
Encoding Converter (1)
Language Code Converter · Locale Converter (3)
Date Format Converter · Timezone Converter (2)