A collection of free and simple online tools for developers and everyone.
Convert SVG icons or code into Base64 data URLs.
Convert images to Base64 strings.
Convert images to ICO format.
Upload multiple images and merge them into a single PDF file.
Upload an image and generate multiple resized versions.
Compare two pieces of text and highlight the differences.
Replace multiple text strings or extract data from a block of content at once.
Process text line by line. Remove duplicates, sort, and more.
Convert text characters to their Unicode representations.
Count characters, words, and lines in a text block.
Convert text to various cases like uppercase, camelCase, etc.
Validate and format your JSON code to ensure it is correct.
Test your regular expressions with this online tool.
Write Markdown and see a live preview.
Open multiple URLs at once.
Encode or decode special characters in URLs.
Encode and decode HTML entities like and <.
Encode text to Base64 or decode from it.
Convert text to Morse code and back with multiple input methods.
Decode JSON Web Tokens to inspect their payload.
Generate various hashes like MD5, SHA-256 from text.
Encrypt and decrypt text using symmetric algorithms like AES.
Convert between Unix timestamps and human-readable dates.
Convert colors between HEX, RGB, and HSL formats.
Create a QR code from a URL or text.
Test HTTP API requests directly from your browser. Customize URL, method, headers, body, and view full response details.
Generate ASCII art from text or images using various fonts and sizes.
Fast mathematical expression calculator with support for symbolic variables, smart symbol conversion, and history.
Generate prompts for divination to ask AI models.
Create animated avatars from photos with various effects.
A simple scoreboard to keep score.
A fun wheel to help you make decisions by spinning to a random choice.