Remove AI Prompt from PNG Metadata

Use the PNG hidden data cleaner when AI image prompts or generation settings may be stored inside text chunks.

Publishing AI art without prompt text
Cleaning workflow JSON
Checking PNG chunks before upload

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No signup - Auto-delete in 5 minutes - Browser-first - Secure fallback
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Share this tool

Only this public tool page is shared. Your file, private download link, and token are never included.

What gets removed

  • hidden PNG text chunks
  • AI generation markers

What stays safe

  • File content
  • Image, audio, video, or document quality
  • Dimensions and colors
  • Pages, layout, and readable content when possible

Why this page is specific

PNG Hidden Data Cleaner is tuned for image privacy checks, so the guidance below focuses on the metadata fields people usually miss for this file type.

Best For

  • Sharing PNG files publicly
  • Checking PNG files before client delivery
  • Reducing privacy risk before upload

Metadata Fields Checked

  • tEXt
  • iTXt
  • zTXt
  • Comment
  • Software
  • Prompt

Recommended Workflow

  • Upload supported PNG files
  • Review detected fields and risk score
  • Choose the needed action
  • Download before automatic deletion

Detection and Removal Scope

What it detects
tEXt, iTXt, zTXt, Comment
What This Tool Removes
hidden PNG text chunks, AI generation markers
What it cannot remove
Visible objects or faces inside the image, Copies already uploaded to other websites, Watermarks or text drawn into pixels

Privacy Level

High privacy: temporary processing, internal engines first, automatic deletion after 5 minutes.

Related Guide

Frequently Asked Questions

Short answers to help you choose the right metadata tool and share files more safely.

What is this tool best for?

Use it for PNG files when hidden PNG text chunks, AI generation markers should be checked before sharing.

Is my file private?

Files are temporary, internal engines run first, and all files are deleted after 5 minutes.

What metadata can Remove AI Prompt from PNG Metadata detect or remove?

Remove AI Prompt from PNG Metadata focuses on generator tags, prompt traces, C2PA records, workflow data, and software metadata when readable. It shows privacy categories first and removes supported hidden data when safely possible.

Is Remove AI Prompt from PNG Metadata free to use online?

Yes. Remove AI Prompt from PNG Metadata is free to use online for supported AI or provenance file workflows. It uses browser-first processing when possible and secure temporary server processing for advanced formats.

Are my files stored permanently?

No. Files are processed temporarily and private download links expire. The cleaned file is automatically deleted after 5 minutes.

Which file formats are supported?

This page supports .PNG. The uploader still checks extension, file size, MIME type, and file signature before processing.

Will cleaning metadata reduce quality?

The goal is to keep the visible file usable. Some formats can be cleaned without changing content; others may need safe rewriting or fallback processing.

Can I preview metadata before cleaning?

Yes. When metadata can be read safely, the page shows general categories such as GPS, author, device, software, and creation date without exposing full sensitive values.

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Safety and Responsible Use Notice

Use these metadata tools only with files you own or are allowed to process. Removing metadata helps reduce privacy exposure, but it does not remove visible faces, text, watermarks, signatures, copyrighted content, or legal obligations. Always review the visible file before sharing. Temporary files and private downloads are designed to expire automatically after 5 minutes.

Remove Metadata Online shares public tool pages only, never private download links.