Your Everyday Toolbox

Free online tools that run entirely in your browser.
No uploads, privacy-first, and built for everyday work.

🔒 Privacy First

Your files never leave your device.

⚡ Instant Processing

No uploads, no waiting.

🌐 Works Everywhere

Use directly in your browser.

Popular Tools

ASCII Art Text Generator

Draw text as ASCII art using FIGlet fonts, directly in your browser.

Base64 Image File Encoder

Convert an image file (PNG/JPEG/WebP/GIF/SVG/BMP) to a Base64 string, with optional data URL output.

Base64 Image File Viewer

Preview and download an image from a Base64 string or an image data URL.

Base64 String Decoder

Decode a Base64 string back to text (supports URL-safe input).

Base64 String Encoder

Encode a string into Base64 (with optional URL-safe output).

Basic Auth Generator

Generate a Basic Authorization header from a username and password.

Recent Articles

How to Build an Integer Base Converter

Build a fast, browser-friendly integer base converter (2–64) with BigInt, custom digit sets, and clear validation.

How to Build an ASCII Art Text Generator

A practical walkthrough of building an ASCII art generator with figlet, including font loading pitfalls, reactive rendering, and a privacy note.

A practical overview of six widely used web fonts (including Noto Sans SC / Noto Serif SC) and how to preview them locally in your browser.

How to Convert Unix Timestamp using C

Convert Unix timestamps to human-readable date/time (and back) in C using time_t, localtime, strftime, and mktime.

HTML Escape Characters

A table-first reference of common HTML character references, rendered from JSON rows with a reusable Svelte table component.

HTTP Status Codes

A compact, table-first reference of common HTTP status codes, rendered from JSON data via a reusable Svelte table component.