Free online tool

Search and replace online - Text

Replaces text using literal or regular-expression matching. Process TXT, MD, HTML, HTM online and download the result without changing the original.

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Drop your files here or click to select them from your device Select files Accepted formats: TXT, MD, HTML, HTM Up to 1 file, 20 MB per file

Selected files

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How to configure the result

Each option controls a specific part of processing. Keep defaults when you do not need to control that aspect.

Choose the generated file format. Only targets compatible with the input are listed.
Configure Search. Keep the default when this property does not need customization.
Configure Replacement. Keep the default when this property does not need customization.
Enable Use regular expression only when this behavior should be applied to the result.
Enable Case sensitive only when this behavior should be applied to the result.
Private, temporary processingFiles are deleted automatically after 60 minutes.

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Text

What Search and replace does

Replaces text using literal or regular-expression matching. The tool validates the selected files and applies only the requested operation and settings. The operation applies controlled changes to content, security, metadata or presentation.

Compatibility and limits

Input formats
TXT, MD, HTML, HTM
Results
TXT, MD, HTML
Number of files
Minimum 1, maximum 1
Maximum total size
24 MB
FAQ

Frequently asked questions

The original stays unchanged, but the result may contain permanent changes. Keep the original until verified.

Input supports TXT, MD, HTML, HTM and can produce TXT, MD, HTML. The selector rejects incompatible extensions before processing.

No. A new result is created and the uploaded file remains unchanged during temporary processing.
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