Browse all tools.
Explore every free online tool on OneClick Tools, grouped by category for easier browsing.
Image Tools
Image conversion, compression and resizing tools.
PNG to WEBP
Convert PNG images to WEBP online.
PNG to JPG
Convert PNG images to JPG online.
JPG to PNG
Convert JPG images to PNG online.
WEBP to PNG
Convert WEBP images to PNG online.
Image Resizer
Resize images online by width and height.
Image Compressor
Compress images online and reduce file size.
Text Tools
Text editing, counting and formatting tools.
Developer Tools
Developer utilities for coding, formatting and encoding.
Base64 Encoder
Encode and decode Base64 online.
JSON Formatter
Format and beautify JSON online.
UUID Generator
Generate random UUID instantly.
JWT Decoder
Decode JWT headers and payloads online.
URL Encoder Decoder
Encode and decode URLs online.
Markdown Previewer
Preview Markdown text online.
HTML Formatter
Format and minify HTML online.
CSS Formatter
Format and minify CSS online.
JavaScript Formatter
Format and minify JavaScript online.
Regex Tester
Test regular expressions online.
URL Parser
Parse URLs into protocol, host, path, query, and hash.
Query String Parser
Parse query strings into readable key value pairs.
HTML Entity Encoder Decoder
Encode and decode HTML entities online.
Text to Binary Converter
Convert text to binary online.
Binary to Text Converter
Convert binary to text online.
Utility Tools
Simple everyday online utilities.
Color Tools
Color conversion and design tools.
Date Time Tools
Date, time, timezone and timestamp tools.
Security Tools
Security tools such as passwords, hashes and tokens.