Side by side
| Capability | PurifyAI | ExifTool / CLI |
|---|---|---|
| Metadata format coverage | PNG and JPEG rewritten losslessly; others inspected only. | Vast — hundreds of formats and thousands of tags. |
| Lossless rewriting | Container rewrite; pixel data copied through untouched. | Also operates on the container, not the pixels. |
| Install required | None. Open a page and drop a file. | Requires installing a binary or package. |
| Learning curve | Visual — you can see what was found and what went. | Powerful, but the flag surface is genuinely large. |
| Scripting and automation | REST API on the Agency plan. | Purpose-built for shell pipelines and cron. |
| Selective tag editing | Removes metadata families, not individual tags. | Read, write or delete any individual tag. |
| Visible watermark masking | Canvas masking with three reconstruction modes. | Metadata only — it never touches pixels. |
| Non-technical users | No terminal, no flags, no documentation required. | Assumes command-line comfort. |
| Cost | Free tier; paid plans for volume and API. | Free and open source. |
Which one you actually want
Reach for PurifyAI when
- You want to see what is in a file rather than parse a wall of terminal output.
- You also need to mask a visible watermark, not just strip metadata.
- You are handing the task to a designer or client who does not use a terminal.
- You are on a machine where installing software is not an option.
Use exiftool / cli when
- You need to edit or remove specific individual tags with precision.
- You are working with formats beyond PNG and JPEG — RAW, TIFF, PDF, video containers.
- The work belongs in a shell script or a build pipeline.
- You want something free, offline and scriptable with no account at all.
If you are comfortable in a terminal and your job is purely metadata, ExifTool is excellent and we would not pretend otherwise. PurifyAI is for the cases where you want to see what you are doing, or where a visible watermark is part of the problem.
Common questions
Can ExifTool remove C2PA manifests?
It can operate on the containers where C2PA data lives and has support for the relevant blocks, though coverage and exact flags depend on your version. If precise, scriptable control over specific segments is what you need, it is the more capable tool.
Is PurifyAI just ExifTool in a browser?
No. It is an independent implementation written for the browser, deliberately narrow: it handles PNG chunk lists and JPEG marker segments and does that one job carefully — including preserving ICC profiles in JPEG APP2, where a naive strip would destroy them.
Which is safer for a file I cannot replace?
Keep a backup either way. Both operate on the container rather than the pixels, so neither should degrade image quality. Our walkers stop and return the original bytes untouched if a file's structure cannot be parsed confidently, because silently corrupting a file is worse than doing nothing.
Try it on your own file
Free, no account, and you can watch the network tab stay empty.