pngcheck Logo

pngcheck

0
Free
10 September 2025
Visit Website

pngcheck verifies the integrity of PNG, JNG, and MNG files by checking the internal 32-bit CRCs and decompressing the image data. It can dump chunk-level information in human-readable form, print basic image statistics, list color and transparency info, and extract embedded text annotations. This command-line program has batch capabilities.

FEATURES

SIMILAR TOOLS

A library of string validators and sanitizers.

A CLI tool for signing and verifying npm and yarn packages.

A lightweight CTF platform with simple setup and difficulty-based scoring that removes timezone advantages from competitions.

A command-line tool for downloading Android APK files from the Appland platform via npm installation.

SecGen is an open-source framework that automatically generates vulnerable virtual machines and hacking challenges for cybersecurity education and penetration testing training.

Mellivora Mellivora is a PHP-based CTF engine that provides comprehensive competition hosting capabilities with challenge management, team scoring, and administrative tools for cybersecurity competitions.

Docker file for building Androguard dependencies with an optional interactive shell environment.

A tool for SSH server auditing with comprehensive analysis capabilities.

A Node.js Ebook by GENTILHOMME Thomas, covering Node.js development and resources

PINNED

Proton Pass Logo

Proton Pass is a cross-platform password manager that provides encrypted storage, password generation, and security monitoring features with integrated 2FA and dark web monitoring capabilities.

Data Protection
NordVPN Logo

NordVPN is a commercial VPN service that encrypts internet connections and hides IP addresses through a global network of servers, featuring integrated threat protection and multi-device support.

Network Security
Mandos Logo

Fractional CISO service that helps B2B companies implement security leadership to win enterprise deals, achieve compliance, and develop strategic security programs.

Consulting
Checkmarx SCA Logo

Checkmarx SCA

A software composition analysis tool that identifies vulnerabilities, malicious code, and license risks in open source dependencies throughout the software development lifecycle.

Application Security
Orca Security Logo

Orca Security

A cloud-native application protection platform that provides agentless security monitoring, vulnerability management, and compliance capabilities across multi-cloud environments.

Cloud Security
DryRun Logo

DryRun

A GitHub application that performs automated security code reviews by analyzing contextual security aspects of code changes during pull requests.

Application Security
CybersecTools logoCybersecTools

Explore the largest curated directory of cybersecurity tools and resources to enhance your security practices. Find the right solution for your domain.

Operated by:

Mandos Cyber • KVK: 97994448

Netherlands • contact@mandos.io

VAT: NL005301434B12

Copyright © 2025 - All rights reserved