Private media converters
Choose a tool and convert files locally in your browser.
Compress video under 25MB
Compress a video under 25MB online in your browser. Free, private, no upload, no watermark.
Compress video
Free browser-based video compressor. Compress MP4, MOV, WebM and more with no upload and no watermark.
MOV to MP4
Convert MOV to MP4 online for free. Browser-based, private, no upload, no watermark.
MP4 to GIF
Convert MP4 or other videos to GIF online. Free, private, no upload.
GIF to MP4
Convert GIF to MP4 online for free. Browser-based, private, no upload.
Extract audio
Extract audio from video online and export MP3. Free, private, no upload.
Trim video
Trim video online for free. Browser-based, private, no upload, MP4 output.
Cut out parts
Cut out unwanted parts of a video online. Remove specific seconds, merge the remaining video, no upload.
Resize video
Resize video online for free. Change video width, export MP4, no upload.
Merge videos
Merge two videos online for free. Browser-based, private, no upload, MP4 output.
Image converter
Convert images to JPG, PNG, or WebP online. Free, browser-based, private.
HEIC to JPG
Convert HEIC to JPG online for free. Browser-based, private, no upload.
Who this is for
KlasseHand is built for students, parents, and teachers who need fast file conversions for assignments, class sharing, and school communication.
How it works
Open a tool, pick your file, select output settings, and download the result. Most workflows run locally in-browser, without creating an account.
Typical use cases
Reduce a lesson video for email, turn a phone MOV file into MP4 for classroom devices, extract MP3 from a speaking exercise, or convert HEIC photos for LMS uploads.