npm63Moderatehealth index
TypeScript★ 59↓ 489M/moSep 16, 2026
crates.io63Moderatehealth index
Rust★ 58↓ 4,524/moSep 12, 2026
npm62Moderatehealth index
TypeScript★ 164↓ 6.4M/moSep 16, 2026
crates.io62Moderatehealth index

Y2Z/dataurlCLI tool and Rust crate for parsing and serializing data URLs
Rust★ 30↓ 5,091/moOct 19, 2026
npm62Moderatehealth index
TypeScript★ 2↓ 2,162/moSep 18, 2026
PyPI62Moderatehealth index
Python★ 2,734↓ 354.2K/moSep 17, 2026
NuGet62Moderatehealth index

managedcode/MimeTypesOfficial IANA and Apache MIME/media type lookup, metadata, categorisation, and content detection for .NET.
C#★ 18Sep 13, 2026
npm60Moderatehealth index

Kikobeats/data-uri-utilsParse, normalize, test, and convert data URIs to buffers — MIME type, base64, and charset helpers.
JavaScript★ 1↓ 523.6K/moSep 18, 2026
NuGet60Moderatehealth index

neilharvey/FileSignaturesA small library for detecting the type of a file based on header signature (also known as magic number).
C# · Rich Text Format★ 324Sep 18, 2026
Packagist59Moderatehealth index

FileEye/MimeMapA PHP library to handle MIME Content-Type fields and their related file extensions.
PHP★ 26↓ 223.1K/moSep 13, 2026
npm59Moderatehealth index
TypeScript★ 15↓ 22.6K/moSep 29, 2026
Packagist57Moderatehealth index
PHP★ 27↓ 10.4K/moSep 24, 2026
NuGet57Moderatehealth index

axuno/MailMergeLibMailMergeLib is a mail message client library which provides comfortable mail merge capabilities for text, inline images and attachments, as well as good throughput and fault tolerance for sending mail messages.
C#★ 115Sep 12, 2026
crates.io57Moderatehealth index
Rust★ 82↓ 106.9K/moAug 23, 2026
crates.io56Moderatehealth index
Rust★ 12↓ 13.5K/moSep 13, 2026
PyPI56Moderatehealth index
Python★ 2,917↓ 31.4M/moSep 12, 2026
npm56Moderatehealth index
TypeScript★ 0↓ 93/moSep 11, 2026
npm56Moderatehealth index

moshen/wasmagicA WebAssembly compiled version of libmagic with a simple API for Node. WASMagic provides accurate filetype detection with zero prod dependencies
TypeScript · JavaScript★ 58↓ 32.9K/moSep 15, 2026
crates.io56Moderatehealth index
Rust★ 61↓ 554.4K/moSep 13, 2026
crates.io56Moderatehealth index
Rust★ 26↓ 3,706/moSep 16, 2026
crates.io56Moderatehealth index
Rust★ 273↓ 26.2K/moAug 23, 2026
Packagist56Moderatehealth index
PHP★ 47↓ 1.9M/moSep 13, 2026

h2non/filetypeFast, dependency-free Go package to infer binary file types based on the magic numbers header signature
Go★ 2,299Sep 19, 2026
Packagist53Moderatehealth index

zbateson/mb-wrapperPHP wrapper for mbstring with fallback to iconv for encoding conversion and string manipulation
PHP★ 49↓ 1.9M/moSep 14, 2026
crates.io51Moderatehealth index
Rust★ 2↓ 1.9M/moSep 14, 2026
Packagist51Moderatehealth index
PHP★ 0↓ 14.4K/moSep 18, 2026
npm50Moderatehealth index
JavaScript★ 5↓ 3,853/moSep 18, 2026
Elixir · HTML★ 2↓ 1,623/moSep 15, 2026
Packagist48Weakhealth index

conneg/mimeparse-phpBasic functions for handling mime-types, forked from Joe Gregorio's mimeparse library
PHP★ 41↓ 30.1K/moSep 14, 2026
JavaScript★ 103↓ 154M/moSep 16, 2026