QTA to MP3
QTA stands for QuickTime Audio and is Apple's new file format for voice memos. It was introduced at the end of 2024 with iOS 18.2 and has since appeared on newer generations of iPhones, particularly the iPhone 16 Pro and Pro Max. Depending on the settings, when you make and export a voice recording on […]
Read MoreQT
QT stands for QuickTime and refers to Apple's classic container format for multimedia files. The file extension .qt is technically identical to the now more familiar .MOV. Currently, it is mostly older QuickTime files that are still saved with the .qt file extension. These files mostly date from the 1990s and 2000s. During my research, […]
Read MoreQTA
QTA (QuickTime Audio) is a proprietary file format that Apple introduced at the end of 2024 with iOS 18.2 for the iPhone 16 Pro and iPhone 16 Pro Max. It is used for voice recordings and marks a change from the M4A format used previously. The admittedly very technical background: QTA is based on First […]
Read MoreHEIC to PDF
HEIC has established itself as the standard format for photos on Apple devices. The smaller file size is the biggest advantage here, but the poorer compatibility is a disadvantage. Especially for photographed documents, it makes sense to convert them to PDF format before sharing. Why convert HEIC to PDF? PDF is the universal format for […]
Read MoreFB2 to PDF
FB2 (FictionBook) is an XML-based e-book format that is particularly widespread in Russia and Eastern Europe. It was developed specifically for fiction and offers a clear separation of content and formatting. Outside these regions, however, FB2 is hardly used. Most popular e-readers such as Kindle, Tolino and Kobo do not support the FB2 format. With […]
Read MoreCBZ to PDF
CBZ is one of the most common formats for digital comics, manga and other illustrated books. Unlike the related CBR format, CBZ is based on the open ZIP standard and is therefore more widely supported. However, not all e-book readers and applications can open CBZ files directly. For maximum compatibility, it is advisable to convert […]
Read MoreMD to PDF
Markdown (.MD) is a format frequently used by developers, authors and anyone who wants to write text without formatting chaos. Simple syntax, clear structure. But when it comes to sharing, you quickly reach your limits. Not everyone has a Markdown editor installed, and in a browser, an .md file often looks like an illegible text […]
Read MoreReport 2025
Every year, Online-Umwandeln.de processes millions of files. In 2025, we once again successfully reduced, converted, and edited more than 7,000,000 files. The following evaluation shows trends and statistics on the results of our conversions. Statistics on PDF reduction: In 2025, PDF reduction was once again one of the most popular tasks at Online-Umwandeln.de. More than […]
Read MoreCompress MP4
If you want to send an MP4 file, for example, via WhatsApp or email, it's easy to find that this isn't possible with large files. With file-converter-online.com, you can easily reduce the size of large MP4 files online. Of course, no watermark is added when reducing the file size. How can I make MP4 files […]
Read MoreAVIF to JPG
With file-converter-online.com, you can easily convert AVIF files to the widely used JPG format. While AVIF images offer high quality at a small file size, they are not supported by all programs and devices. JPG, on the other hand, is one of the most widely used image formats and compatible with almost all applications. The […]
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