The ultimate JavaScript string library

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• Updated Aug 1, 2023
• JavaScript

Tiny, fast, non-dependent and fully loaded printf implementation for embedded systems. Extensive test suite passing.

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• Updated Nov 12, 2026
• C++

sprintf.js is a complete open source JavaScript sprintf implementation

javascript sprintf

• Updated Apr 5, 2024
• JavaScript

Tiny, fast(ish), self-contained, fully loaded printf, sprinf etc. implementation; particularly useful in embedded systems.

printf sprintf embedded-systems tiny utility-library vprintf snprintf sprintf-style self-contained printf-functions

• Updated Oct 30, 2026
• C

Lightweight printf library optimized for embedded systems

library microcontroller embedded hardware stdout printf sprintf embedded-systems systems output stdio uart snprintf

• Updated Oct 26, 2026
• C

📜 sprintf for JS

string format printf sprintf string-conversion string-formatter format-characters

• Updated Apr 27, 2022
• JavaScript

Dart implementation of sprintf

dart sprintf

• Updated Oct 31, 2022
• Dart

🎨 colourful sprintf

sprintf javascript-library colours

• Updated May 6, 2017
• JavaScript

It is an alternative implementation of the printf family suitable for embedded systems.

embedded printf sprintf

• Updated Apr 4, 2021
• C

🪶 A simple string.h implementation and sprintf & sscanf working with all flags & specifiers. (School 42)

c sprintf test-coverage check string-manipulation sscanf c-strings

• Updated Jul 22, 2022
• C

tiny (<1 kB) snprintf()/sprintf() for embedded platforms

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• Updated Aug 24, 2026
• C

A wrapper library for PHP to format and internationalize values in messages like sprintf

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• Updated Aug 12, 2026
• PHP

Minimal quick & dirty libc, mainly meant for use in my WebAssembly modules

sprintf libc sscanf trigonometric-functions

• Updated Oct 21, 2026
• C

a clone of C s(n)printf in Rust

rust printf sprintf rust-library

• Updated Oct 7, 2025
• Rust

Implementation of sprintf, printf and fprintf in Forth 2012

sprintf forth floating-point

• Updated Dec 15, 2021
• Forth

C-style printf formatting for JavaScript with padding and precision.

printf sprintf print vprintf printify vsprintf printfy

• Updated Sep 11, 2025
• JavaScript

🧵🖥 Implementation of the string.h library with additions.

string sprintf sscanf s21

• Updated Feb 5, 2023
• C

Insert supplied variable values into a format string.

nodejs javascript utility formatter fmt node utilities string utils format stdlib printf sprintf util node-js str print

• Updated Oct 29, 2026
• JavaScript

Rust crate for dynamic string formatting

rust string runtime formatting dynamic printf sprintf

• Updated May 28, 2026
• Rust

Formatting and printing string utilities

template formatter fmt format sprintf replace print replacement interpolate format-string

• Updated Apr 11, 2024
• TypeScript