Convert Unicode to Uppercase

Effortlessly transform any Unicode string into its uppercase form with the Convert Unicode to Uppercase Tool. It handles multilingual characters, emoji, symbols, and accented letters with full support for live updates, file import, character count, and output export. Whether you’re working with scripts like Latin, Greek, or Cyrillic, or processing mixed-language data, this tool gives you immediate results.

Paste your input above or import a file below.
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Supported file types: .txt, .csv, .tsv, .log, .json, .xml, .md, .ini, .yaml, .yml, .html, .htm, .css
Total characters: 0

How to Use:

  1. Paste your Unicode text into the left input box.
  2. Or import a .txt, .json, .xml, or other plain-text file using the Choose File button.
  3. The tool instantly converts the text to uppercase and shows it in the right output box.
  4. Use Copy Output or Export to File to save the results.
  5. Watch the live character count update automatically.

Tool Options:

This tool uses JavaScript’s toLocaleUpperCase() to handle case transformation across languages.

  • No toggles are needed conversion happens automatically.
  • Handles accented characters, emojis, and all major writing systems.

Example:

Input:

Hello 🌍 - こんにけは ΠΌΠΈΡ€

Output:

HELLO 🌍 - こんにけは МИР

What Convert Unicode to Uppercase Tool can do:

This tool accurately transforms lowercase and mixed-case Unicode content into uppercase, preserving emojis and symbols. It works on both Latin and non-Latin scripts and respects locale-specific casing rules.

Common Use Cases:

Use it for normalizing text data, preparing uppercase titles, validating form input, converting internationalized content, or prepping data for case-insensitive comparison. Ideal for developers, content editors, and data analysts.

Useful Tools & Suggestions:

If everything’s in uppercase now, Convert Unicode to Lowercase lets you reverse it when needed. And for a quirky twist, Convert Unicode to Randomcase throws in some randomness without losing the characters.