Scientific calculators, color pickers, text to speech, MP3 converters, and more. No signup. No downloads. Everything runs privately in your browser.
Scientific, GPA, and compound interest calculators. Solve math and finance problems instantly in your browser.
Try Scientific Calculator →Pick colors from images, convert between HEX, RGB, and HSL formats. Essential tools for designers and web developers.
Open Color Picker →Generate speech from text with adjustable speed and pitch. Create rap-style TTS, funny voices, robot voices, and more.
Try Text to Speech →Complete guides to converting YouTube videos and audio files to MP3 format. Compare the best tools available.
Explore MP3 Converters →Download YouTube videos as MP4, convert between video formats, and learn about video quality settings.
Explore Video Converters →Full-featured scientific calculator with trigonometric functions, logarithms, exponents, and more. Works on any device.
Upload any image and extract exact color values in HEX, RGB, and HSL. Build palettes from photos instantly.
Choose colors visually and get instant CSS code. Supports HEX, RGB, and HSL formats with color harmony suggestions.
Enter or browse hex color codes with real-time preview. Convert between HEX, RGB, and HSL with one click.
Mix colors with R, G, B sliders (0-255) and see live preview. Instant HEX, HSL, and CSS code conversion.
Generate rap-style speech with adjustable speed and pitch. Try presets for chipmunk, robot, and deep bass voices.
Calculate your cumulative GPA by entering courses, credit hours, and letter grades on the 4.0 scale.
See how your savings grow over time with compound interest. Visual growth chart shows deposits vs interest.
Step-by-step guide to the best tools for converting YouTube videos to MP3 audio files.
Download YouTube videos in MP4 format. Compare 7 free tools with quality and feature breakdown.
ToolChemy provides free, browser-based online tools that work without downloads or signups. Our calculators, color pickers, text to speech tools, and converter guides are built with performance and privacy in mind — your data stays in your browser and is never sent to any server.
Whether you need to solve a math problem with our scientific calculator online, extract colors from a photo with our color picker from image tool, calculate your GPA online, generate text to speech rap, or learn how to convert video with our YouTube video to MP4 converter guide, ToolChemy has you covered.