Discover tools for merging PDFs, converting and compressing images, and editing text with speed, simplicity, and no cost.
Image Tools
Text Tools
AI Tools
Remove unnecessary spaces, lines, and special characters.
Quickly find the number of words, characters, and lines in your text.
Convert WebP images to JPG or PNG instantly.
Convert PNG images to JPG or WebP format.
Convert JPG images to PNG or WebP quickly.
A quick tool to generate strong, random passwords.
Convert between milliseconds, seconds, minutes, hours, and days quickly.
Encode or decode Base64 strings easily.
Resize images to your desired dimensions quickly and easily.
Format and validate your JSON data effortlessly.
Generate placeholder text for your designs and projects.
Generate unique identifiers for your applications.
Pick and copy colors in HEX, RGB, or HSL formats.
Generate barcodes in various formats and download as PNG instantly.
Create beautiful CSS gradients with ease. Customize colors, directions, and preview instantly.
Generate beautiful color palettes for your design projects instantly.
Generate random User-Agent strings instantly in your browser. Simple, fast, and secure.
Convert between different units of measurement. Temperature, length, weight, volume, and more.
Write HTML on the left and instantly preview it on the right.
Convert between 31+ currencies using real-time exchange rates.
Yes. All tools on Stackfly are completely free and can be used without registration or payment.
No. Most tools work directly in your browser. Your files and data are not stored or shared.
No account is required. You can use all tools instantly without signing up.
Yes. Stackfly is designed with privacy and security in mind. No personal data is collected.
Stackfly offers PDF tools, image converters, text utilities, security tools, and many productivity helpers.
Yes. New tools and improvements are added regularly to expand the platform.