Modern, simple, lightweight (~5kb gzip) form validation library written in Typescript, with no dependencies (no JQuery!). Support a wide range of predefined rules, async, files, dates validation, custom error messages and styles, localization. Support writing custom rules and plugins.

Uploadcare Widget, an ultimate tool for HTML5 file upload supporting multiple file upload, drag&drop, validation by file size/file extension/MIME file type, progress bar for file uploads, image preview.

JavaScript implementation of the "accept" attribute for HTML5 input element

The first Python validation package uses type, mime, extension, magic numbers, and size to validate files. ✅

Generates a hash of all files in a folder tree and stores the hashes in a text file in each folder.

File selector with validation that supports drag-n-drop for @vuejs

This project has been replaced by Righteous MIMEs.

ByteGuard File Validator is a security-focused .NET library for validating user-supplied files, providing a configurable API to help you enforce safe and consistent file handling across your applications.

Torrent file checker - verifies files in a directory against a torrent file in the same directory

Safer file uploads via signature-based validation

參考自 安全框架︰輸入驗證 | 風險降低確定在接受使用者的檔案時已備妥適當的控制 區段中的程式碼，再加以調整。 主要就是讀取檔案中的 signatures(magic numbers or Magic Bytes) 來比較。

validate Files by reading each magic number from a file for Go

Fast multi-threaded checksum calculator (CRC32, MD5, SHA1, SHA256, SHA512)

TruthByte is a powerful and flexible command-line tool for verifying file integrity using multiple hash algorithms. Whether you're checking individual files or entire directories, TruthByte ensures your data hasn't been tampered with — perfect for validating downloads, backups, and sensitive files.

📚 Analyze stylistic differences in AI-generated flash fiction to understand model diversity and writing patterns across various LLMs.

A Node.js application that scans file names, directory paths, and file contents for spelling mistakes and generates detailed reports. Built in February 2020 and updated in 2024, it helps maintain consistent naming conventions and code quality, leveraging cspell dictionaries to improve accuracy and support reliable validation across projects.

Smart Contract serving as Notary Public

ValidCSV - Repo for Dell Hack2Hire 2020

jUpload is a jQuery package for managing files. Dynamically add and remove files before upload. Custom file validation

Simple file validation for Golang