Frequently Asked Questions
Answers to the most important questions about KodiniTools
Yes, all tools on KodiniTools are 100% free. There are no hidden costs, no premium versions, and no subscriptions. We fund ourselves exclusively through voluntary donations from our users.
No. With browser-based tools, your files never leave your computer – processing happens completely locally. With server-based tools, your files are transmitted encrypted and automatically deleted immediately after processing. We do not store copies of your files.
Our audio tools support MP3, WAV, OGG, FLAC, AAC, and M4A. The image tools work with JPG, PNG, WebP, AVIF, GIF, and BMP. The Video Converter supports MP4, WebM, AVI, and other common formats.
Browser-based tools process your files directly on your device – maximum privacy, no upload waiting times, works offline too. Server-based tools use our powerful servers for computationally intensive tasks – faster processing of large files, less strain on your device.
No, no registration is required to use our tools. You can start right away – simply select a tool, upload your file, and edit.
For browser-based tools, the maximum file size depends on your device memory. For server-based tools, there are different limits depending on the tool – the Video Converter, for example, supports files up to 5 GB.
Yes, all KodiniTools are fully responsive and work on smartphones and tablets. The user interface automatically adapts to your screen size.
KodiniTools is currently available in German and English. You can change the language at any time using the language switcher in the top right corner. Your language setting is saved.
We welcome your feedback! Use our contact form to share your suggestions, wishes, or improvement ideas. We read every message and are constantly working to improve KodiniTools.
Yes, KodiniTools is fully GDPR compliant. We use Google Consent Mode v2, offer transparent cookie settings, and do not store personal data without your consent. Detailed information can be found in our privacy policy.
With the KodiniTools Audio Converter it's simple: upload your file, select WAV as the target format and click Convert. The finished WAV file is available for download immediately – no registration or installation required.
With the Batch Image Editor you can resize 100+ images at once: drag and drop your images, set the target size in pixels or percentage, and download everything as a ZIP archive. Everything runs directly in your browser – your images never leave your computer.
MP3 is a compressed format – smaller file size, slight quality loss through compression, ideal for streaming and podcasts. WAV is uncompressed – larger file size, lossless quality, ideal for professional music production and archiving. With the Audio Converter you can switch between both formats at any time.
With the KodiniTools Audio Visualizer in just a few steps: upload your audio file, choose a visualization style and export the finished MP4 video. The video is directly optimized for TikTok, Instagram Reels and YouTube Shorts – completely free and without any app download.
WebP and AVIF offer the best combination of quality and small file size for websites and significantly improve loading speed. Our Image Converter converts JPG, PNG and other formats directly to WebP or AVIF – ideal for website optimization.
With the KodiniTools Audio Normalizer: upload your audio file and the tool automatically adjusts the volume to a consistent level. Especially useful for podcasts, audiobooks or music collections where different tracks have different volumes. Processing takes place on our secure servers.
With the KodiniTools Photo Collage tool: upload your images, choose a layout from the available templates, arrange photos via drag and drop and download the finished collage. No account needed, no watermarks – runs entirely in your browser.
Yes, KodiniTools offers several tools specifically for podcasters: the Audio Normalizer ensures consistent volume, the MP3 Converter creates compatible podcast files, and the Audio Converter lets you switch between formats like WAV, MP3 or M4A. All tools are free and usable without registration.
The Image Gallery offers images sorted by category, most of them created with AI and marked “AI”. All images may be downloaded free of charge and used for private, non-commercial purposes, including modified and without attribution; commercial use is not permitted. You can pass an image straight from the preview to the Photo Collage tool, the Image Converter, the Batch Image Editor or the Kodini Color Extractor.
With the Audio Cutter: load your file, set start and end in the waveform or by entering times, keep or remove the selection and optionally add fade-ins and fade-outs. Cutting is sample-accurate and happens directly in your browser, without any upload. Export as WAV, MP3 or FLAC, and depending on your browser also as AAC (M4A) or Opus (WebM); an optional server mode handles OGG.
With the Favicon Converter: upload an image, for example a PNG or SVG, and get all common formats at once: favicon.ico (16, 32, 48 px), PNG at 16 and 32 px, Apple Touch Icon 180 px, Android icons 192 and 512 px (including maskable), site.webmanifest and the matching HTML code. With an SVG source you also get favicon.svg. The conversion runs entirely in your browser.
With the Kodini Color Extractor: upload an image, choose the number of colors (1 to 20) and drag the color markers on the image to pick other colors. Color codes are available as HEX, RGB, RGBA, HSL, HSLA or CSS variables, copyable with one click or downloadable as a TXT or PNG file. Your images are not uploaded.
With the Audio Playlist Converter: drag and drop up to 50 audio tracks, set their order and convert everything into a single MP3 or WebM file. Processing runs on our servers with a progress display, and the files are deleted automatically after download.