TonniTools is built to run locally in your browser. Since no data ever leaves your device, everything works, even without internet.
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Generate QR codes. Export for print & web.
Turn any image into a proper .ico favicon.
Portraits and names for mockups and test data.
Build continuous image carousels for SoMe.
Turn a folder of photos into a video slideshow.
Simple & shareable countdown or timer.
Accurate color ranges from a single color.
Quickly test a color in different contexts.
Test colors for WCAG AA and AAA standards.
Extract every color used on a website.
Convert, fetch, and edit SVG code. Save as file.
Convert HEIC/HEIF photos to regular images.
Optimize images for web and performance.
Turn each PDF page into a separate JPG image.
Reduce image file sizes to your preference.
Compress MP4, WebM, MOV, and AVI videos.
Flatten and compress large PDF files.
Optimize documents for LLMs.
Optimize large datasets for AI processing.
Help AI tools index your website (GEO).
Build detailed AI image prompts visually.
Language-like gibberish text for mockups.
Convert text between different case formats.
Weighted reading to help consume long texts.
Fluid gradient backgrounds. Export as PNG.
Pure CSS progressive blur effect.
CSS-only, customizable glass effect.
Customizable CSS loading animations.
Explore chords & export progressions as MIDI.