# Packet Capture (cStor®) vs pngcheck: side-by-side comparison (2026)

[Packet Capture (cStor®)](https://cybersectools.com/tools/packet-capture-cstorr) is a commercial [digital forensics](https://cybersectools.com/categories/digital-forensics) solution by [cPacket Networks](https://cybersectools.com/companies/cpacket-networks). [pngcheck](https://cybersectools.com/tools/pngcheck) is a free [digital forensics](https://cybersectools.com/categories/digital-forensics) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Packet Capture (cStor®) | pngcheck |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Digital Forensics | Digital Forensics |
| Verified | No | No |
| Deployment type | Hybrid | On-Premises |
| Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | cPacket Networks | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Packet Capture (cStor®) | pngcheck |
|---|---|---|
| Packet Capture | Yes | – |
| PCAP | Yes | – |
| Network Forensic Analysis | Yes | – |
| Network Monitoring | Yes | – |
| Network Visibility | Yes | – |
| Packet Analysis | Yes | – |
| Observability | Yes | – |
| File Analysis | – | Yes |
| Steganography | – | Yes |

### Core features

**Packet Capture (cStor®)**

10 features listed. Sign in on the page to see them.

**pngcheck**

No features listed.

### Integrations

**Packet Capture (cStor®)**

6 integrations listed. Sign in on the page to see them.

**pngcheck**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Packet Capture (cStor®)](https://cybersectools.com/tools/packet-capture-cstorr) fits if you need both cloud and on-premises options.
- [pngcheck](https://cybersectools.com/tools/pngcheck) fits if you need to run it on your own servers, you are a startup or a small business and you need a free product.

## Packet Capture (cStor®) vs pngcheck FAQ

Common questions when comparing Packet Capture (cStor®) vs pngcheck for digital forensics.

### What is the difference between Packet Capture (cStor®) and pngcheck?

**Packet Capture (cStor®)**: Lossless packet capture & analysis appliance at 10–200 Gbps line rate. Built by cPacket Networks.

**pngcheck**: A tool to verify the integrity of PNG, JNG, and MNG files and extract detailed information about the image.

The table above shows where their features, integrations, deployment and company size fit differ.

### Is Packet Capture (cStor®) a good alternative to pngcheck?

Often, yes. Packet Capture (cStor®) and pngcheck are both Digital Forensics products. Key differences: Packet Capture (cStor®) is Commercial while pngcheck is Free. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Packet Capture (cStor®) vs Endace Full Packet Capture](https://cybersectools.com/compare/endace-full-packet-capture-vs-packet-capture-cstorr)
- [Packet Capture (cStor®) vs ExtraHop Packet Forensics](https://cybersectools.com/compare/extrahop-packet-forensics-vs-packet-capture-cstorr)
- [Packet Capture (cStor®) vs Telesoft TDAC](https://cybersectools.com/compare/packet-capture-cstorr-vs-telesoft-tdac)
- [pngcheck vs Endace Full Packet Capture](https://cybersectools.com/compare/endace-full-packet-capture-vs-pngcheck)
- [pngcheck vs ExtraHop Packet Forensics](https://cybersectools.com/compare/extrahop-packet-forensics-vs-pngcheck)
- [pngcheck vs Telesoft TDAC](https://cybersectools.com/compare/pngcheck-vs-telesoft-tdac)

## Alternatives to each

- [See all Packet Capture (cStor®) alternatives](https://cybersectools.com/alternatives/packet-capture-cstorr)
- [See all pngcheck alternatives](https://cybersectools.com/alternatives/pngcheck)

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Source: https://cybersectools.com/compare/packet-capture-cstorr-vs-pngcheck

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/packet-capture-cstorr.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Packet Capture (cStor®) and pngcheck: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md