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File Encoding Converter

Convert file encoding with auto-detection support between UTF-8, GBK, ISO-8859-1 and other character encodings

Click to upload file or drag and drop file here

Maximum file size: 10MB Supported formats: text/*, application/octet-stream

Key Facts

Category
Utilities
Input Types
file, select
Output Type
file
Sample Coverage
4
API Ready
Yes

Overview

The File Encoding Converter is a reliable utility designed to fix character display issues by converting text files between various character encodings, including UTF-8, GBK, and ISO-8859-1.

When to Use

  • •When you encounter garbled text or 'mojibake' after opening a file in a different environment.
  • •When you need to standardize legacy files to modern UTF-8 encoding for web or software compatibility.
  • •When migrating data between systems that require specific regional character sets like GBK or Shift-JIS.

How It Works

  • •Upload your text file or binary file to the tool.
  • •Select the source encoding or use the 'Auto Detect' feature to identify the current format.
  • •Choose your desired target encoding from the dropdown menu.
  • •Click convert to download the file in the new character encoding.

Use Cases

Fixing display issues in legacy CSV or text reports exported from older database systems.
Preparing localized text files for international software deployment.
Converting non-UTF-8 encoded source code files to ensure proper rendering in modern IDEs.

Examples

1. Fixing Garbled Chinese Text

Data Analyst
Background
A legacy report exported from an old ERP system displays as unreadable symbols when opened in Excel.
Problem
The file is encoded in GBK, but the system expects UTF-8.
How to Use
Upload the file, set Source Encoding to 'GBK', set Target Encoding to 'UTF-8', and convert.
Outcome
The file is converted to UTF-8, allowing the Chinese characters to display correctly in all modern applications.

2. Standardizing Latin-1 Files

Web Developer
Background
A collection of configuration files uses the older ISO-8859-1 encoding, causing issues with special characters on a new website.
Problem
The server environment requires all configuration files to be in UTF-8 format.
How to Use
Upload the configuration file, select 'ISO-8859-1' as the source, choose 'UTF-8' as the target, and download the result.
Outcome
The configuration file is now correctly encoded in UTF-8, resolving the character rendering errors on the website.

Try with Samples

text, file
Hex/Unicode Encoding Format Samples
Examples of hex (\xXX) and unicode (\uXXXX) escape sequence encoding formats
title token encoding
text
Txt Samples
Sample text files in different languages and encodings
matched family text
text
Text Case Format Samples
Examples of different text case formats: camelCase, snake_case, kebab-case, PascalCase, and more
matched family text
text
ODT Samples
Sample OpenDocument Text files for document parsing and layout conversion tests
matched family text
text

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FAQ

What happens if I choose the wrong source encoding?

If the source encoding is incorrect, the output file may contain corrupted characters. Use 'Auto Detect' if you are unsure of the original format.

Does this tool support large files?

The tool supports files up to 10MB in size.

Can I convert multiple files at once?

No, this tool currently processes one file at a time.

Is my data stored on your servers?

Files are processed in memory and are not permanently stored on our servers.

Which encodings are supported?

We support a wide range of encodings including UTF-8, GBK, GB2312, Big5, ISO-8859-1, ASCII, UTF-16, Shift-JIS, and various Windows code pages.

API Documentation

Request Endpoint

POST /en/api/tools/file-encoding-converter

Request Parameters

Parameter Name Type Required Description
file file (Upload required) Yes -
sourceEncoding select Yes -
targetEncoding select Yes -

File type parameters need to be uploaded first via POST /upload/file-encoding-converter to get filePath, then pass filePath to the corresponding file field.

Response Format

{
  "filePath": "/public/processing/randomid.ext",
  "fileName": "output.ext",
  "contentType": "application/octet-stream",
  "size": 1024,
  "metadata": {
    "key": "value"
  },
  "error": "Error message (optional)",
  "message": "Notification message (optional)"
}
File: File

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-file-encoding-converter": {
      "name": "file-encoding-converter",
      "description": "Convert file encoding with auto-detection support between UTF-8, GBK, ISO-8859-1 and other character encodings",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=file-encoding-converter",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

Supports URL file links or Base64 encoding for file parameters.

If you encounter any issues, please contact us at [email protected]