Dummy Image Generator
Generate placeholders for mockups, layouts, and prototypes.
Translate colors between HEX, RGB, HSL, and CMYK formats.
Translate color formats. Convert design color codes dynamically and match contrast criteria with sliders.
Step-by-step interactive mockup tutorial
Most online color format converter utilities require uploading your files to remote servers, exposing sensitive business or personal data to leakage, and throttle speeds with download queues. Toolchi is different. Most formatter and encoder suites only beautify text. Toolchi is different because it parses syntaxes locally in real-time, displays duplicate JSON key warnings, computes base64 and Gzip compression estimates, and outputs a precise Code Cleanliness Score to guarantee formatting compliance.
Toolchi offers high-performance Developer APIs for this tool's pipeline. Integrate image compression, PDF merge/split, SEO audits, and AI generation programmatically.
Yes, it previews text readability on background shades.
Toolchi operations are executed fully in your local browser sandbox. Zero files, strings, or image buffers are uploaded to servers, ensuring complete security.
Other local developer and webmaster tools you might find useful.
Generate placeholders for mockups, layouts, and prototypes.
Encode any image file into a Base64 Data URI string.
Convert text case between lower, upper, title, and sentence cases.
Count words, characters, sentences, and paragraphs in your text.