24 file tools · free, no sign-up
Free Online File Conversion Tools
Explore free online file conversion tools for documents, archives, audio, video and everyday file management. Choose the format you have and the output you need before starting. A converter changes representation, a compressor reduces storage size, and a file splitter creates smaller transfer pieces. These operations are useful in different parts of a workflow.
Video Conversion
4 toolsAudio & Sound
2 toolsDocuments
6 toolsArchives & Files
11 toolsTechnical & Web
1 toolsQuestions and answers
File Conversion Tools FAQs
Does renaming a file extension convert its format?
No. Renaming changes the filename, not the bytes inside. Use a converter that supports the original format and produces the format required by your receiving application.
Should I compress a file or split it?
Compress when you need fewer total bytes. Split when a transfer has a per-file limit and the recipient can rejoin the pieces. Splitting does not normally reduce total size.
Can every converted document keep its original layout?
No. Fonts, tables, images and unsupported document features can change during conversion. Open the result in the target application and compare important pages before sharing it.
Why does a converted video open without sound?
The output may contain an audio codec or track that the player does not support. Check the selected output settings and test playback in the application that will receive it.
What should I send with split file parts?
Send every numbered part from the same operation and the matching manifest or joining instructions. Keep filenames intact and supply any encryption password through an appropriate separate channel.
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