tools.kup.tz

Cryptography

RSA Keygen + Encryption/Decryption
Creates RSA 2048-bit keys in the browser and can encrypt and decrypt data.
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AES Encryption/Decryption
AES-256-bit encryption and decryption with AES-GCM in the browser.
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PFX/PKCS#12 Generator
Creates a PFX/PKCS#12 certificate from Private Key, Certificate and optional CA chain.
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CSR Generator & Parser
Creates or parses Certificate Signing Requests (CSR) in the browser.
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Certificate Parser
Parses and analyzes X.509 certificates in PEM format, including certificate chains.
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DNS

DNS Scanner
Token
Search for as many records as possible from a domain.
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MX Resolver
Token
Resolves the email servers of a domain and attempts to determine the provider.
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NS Resolver
Token
Resolves the nameservers of a domain and attempts to determine the provider.
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SPF Generator
Creates SPF DNS entries in the browser.
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DKIM Generator
Creates DKIM keys in the browser and generates the DNS entry.
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DMARC Generator
Creates DMARC DNS entries in the browser.
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Formatting

JSON Formatter
Displays JSON objects in a readable format and allows browsing them.
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Images to Base64
Converts images so they can be directly embedded.
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CSV Converter
Converts different CSV formats to each other.
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HTML to Markdown
Converts HTML code to Markdown format.
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FRITZ!Box XML to CSV
Converts a FRITZ!Box XML address book to CSV.
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Hashing

Bcrypt Hash Generator
Creates or validates a Bcrypt hash in the browser from a password.
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MD5 Hash Generator
Creates an MD5 hash from text or a file.
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SHA1 Hash Generator
Creates a SHA1 hash from text or a file.
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SHA256 Hash Generator
Creates a SHA256 hash from text or a file.
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Images

Images to Base64
Converts images so they can be directly embedded.
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Progress Bar Generator
Creates a progress bar as an image with various parameters.
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PNG to ICO
Converts PNG images to ICO format. Allows selection of resolution.
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Network

Subnet Calculator
Calculates subnet information and allows splitting subnets.
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Security

Password Generator
Creates secure passwords based on custom templates.
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SPF Generator
Creates SPF DNS entries in the browser.
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DKIM Generator
Creates DKIM keys in the browser and generates the DNS entry.
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DMARC Generator
Creates DMARC DNS entries in the browser.
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TOTP Generator
Generates time-based one-time passwords (TOTP) in the browser only.
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Troubleshooting

HTTP Request Tracker
Token
Allows logging of HTTP requests.
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