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Text File Replacer

Find and replace text in files with support for regex, multiple patterns, and backup creation

Click to upload file or drag and drop file here

Maximum file size: 10MB

Key Facts

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

Overview

Text File Replacer is an online utilities tool for find and replace text in files with support for regex, multiple patterns, and backup creation. It is especially useful when working with text, regex content.

When to Use

  • •Use it when you need to process text, regex content quickly in the browser.
  • •Helpful for utilities workflows that need repeatable inputs and fast results.
  • •A good fit when you want to test with real files before running the same workflow in code or API calls.

How It Works

  • •Provide File Path, Find Text, Replace Text, Replace Type as input to the tool.
  • •The tool processes the request and returns a file result.
  • •For file workflows, start with representative samples such as text, regex test files to verify edge cases and output quality.

Use Cases

Process text, regex data during debugging or QA.
Validate expected output before using the API or automation flows.
Test the workflow with representative sample files and edge cases.

Try with Samples

text, regex, file
Chinese-English Mixed Text Samples
Sample text files with mixed Chinese and English content for testing automatic spacing tools
title token text
text
Text with Date Samples
Text containing various date formats for testing date extraction and parsing
title token text
text
Text with Emoji Samples
Mixed language text containing various Unicode emojis for testing emoji extraction
title token text
text
Text with Sensitive Data Samples
Text containing various types of sensitive data for testing data masking (phones, emails, ID cards, bank cards)
title token text
text

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FAQ

What does Text File Replacer do?

Text File Replacer helps you process text, regex content online without setting up a separate local script or app.

When should I use this tool?

Use it when you need a quick process workflow, want to verify output, or need a browser-based utility for utilities tasks.

Can I try this tool with sample data?

Yes. This page can recommend related sample files so you can test the workflow immediately.

What inputs does Text File Replacer accept?

Text File Replacer accepts File Path, Find Text, Replace Text, Replace Type and supports file uploads for 1 field.

Is there an API for Text File Replacer?

Yes. The tool page includes an API endpoint so you can move from manual testing to scripted usage.

API Documentation

Request Endpoint

POST /en/api/tools/text-file-replacer

Request Parameters

Parameter Name Type Required Description
filePath file (Upload required) Yes -
findText text Yes -
replaceText text Yes -
replaceType select No -
caseSensitive checkbox No -
wholeWord checkbox No -
regex checkbox No -
createBackup checkbox No -
previewOnly checkbox No -
outputFormat select No -

File type parameters need to be uploaded first via POST /upload/text-file-replacer 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-text-file-replacer": {
      "name": "text-file-replacer",
      "description": "Find and replace text in files with support for regex, multiple patterns, and backup creation",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=text-file-replacer",
      "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]