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An online tool that calculates checksums of ASCII or Unicode text and of files up to 5MB, using a list of hash algorithms including MD5, SHA1, SHA256 and SHA512. It states that checksums are commonly used to verify data integrity, such as confirming a downloaded file is error-free.
CrackStation is an online password hash cracking service that uses pre-computed lookup tables to recover passwords from unsalted hashes. It supports hashes including MD5, SHA1, SHA2 and WPA, accepts up to 20 non-salted hashes, and offers a downloadable wordlist and a command-line tool for local index generation and lookup.
Threat intelligence search service for checking IPs, domains, hashes, and security indicators.
A dictionary-based MD5 reverse lookup service. Users can convert a string to its MD5 hash or submit a hash to look it up in a database of several million entries. The site explains what MD5 is and notes that MD5 hashes are theoretically impossible to reverse directly. It also lists recent successful reverses and links to related cryptography resources.
A cloud GPU password recovery and credential auditing service for data the user owns or is authorized to test. It supports Office, ZIP, PDF, Wi-Fi captures, NTLM and AD hashes, with a free Basic Search and optional paid custom GPU jobs and unlocks. An authenticated REST API and MCP tools are documented. Uploaded files are deleted after hash extraction.
Aria2 is a command-line download utility supporting HTTP(S), FTP, SFTP, BitTorrent and Metalink. It can download from multiple sources and protocols simultaneously, and uses Metalink chunk checksums to validate data during downloads. It offers a JSON-RPC and XML-RPC interface and can run as a daemon process.
Page offering download links for Windows and Office installation files, including versions for Windows 11, Windows 10, and older editions. It states that all download links lead to genuine files and explains how checksums can be used to verify authenticity. It notes that business, enterprise, and older ISOs are behind paywalls, which is why files are hosted on its servers.
GPU-Z is a lightweight utility designed to give information about a video card and GPU. TechPowerUp distributes it as versioned downloads with MD5, SHA1 and SHA256 checksums, including a standard version and an ASUS ROG themed version.
Hack64 Patcher is a web-based ROM patcher that supports APS, BPS, IPS, MOD (Star Rod), PPF, UPS and VCDiff (xdelta) patch formats. The page also has a Save as option and a Skip checksums setting.
HashCheck is a Windows shell extension for creating and verifying checksum files. It supports SHA2 and SHA3 hashes and multithreading, and its installer is available for Windows Vista and later. A launcher can create checksums without Explorer.
A hash lookup service where users submit hashes and search a database of already-cracked hashes for corresponding plaintext. It supports hash types including MD5, SHA-1, SHA-256, SHA-512, MySQL, NTLM, Bcrypt and Wordpress. The database has been built since August 2007.
Hash search database for looking up password hashes and contributed recovery results.
Community hash-recovery platform for searching, submitting, and discussing password hash challenges.
KGet is a download manager for KDE. It downloads files from FTP and HTTP(S) sources, can pause and resume downloads, and integrates with the Konqueror web browser and the system tray. It also supports Metalink files containing multiple download URLs, checksums and other information.
Threat intelligence search platform for malware indicators, IPs, domains, URLs, and hashes.
A site for searching MD5 hashes in a database and generating MD5 digests, with hashing and encoding tools. It notes that hashing is one-way and that matches are found by comparing digests or looking up a hash-to-plaintext database.
Browser extension for searching IPs, domains, hashes, URLs, and indicators across threat intelligence services.
Python tool that identifies hashes, emails, IPs, URLs, and other strings found in text or files.
Threat intelligence search engine for domains, IPs, hashes, malware, and related indicators.
Online hashing tool for generating and checking MD5, SHA, and other common hash values.
Security scanning service for checking files, URLs, domains, and hashes across many detection engines.
You Apps is a collection of open source Android apps developed with privacy in mind. The apps are offered without ads or trackers and are downloadable via GitHub or F-Droid; the site names GitHub releases, F-Droid and IzzyOnDroid as the only official sources and advises verifying signing certificate checksums.
