Chapters and lessons
Separate a long session into topic-based files that are easier to name, share and revisit.
Split Video
Turn one long recording into organized clips using markers, regular intervals, equal parts or custom time ranges.
Four split methodsSegment previewIndividual or ZIP download
Read the full guide1. Select video
Use a public, direct media URL. Web pages and share links usually do not work.
Files selected from your device stay in this browser while they are processed.
Drop a video here
or click to choose a file
Supported formats: MP4, WebM, MOV, MKV · Maximum file size: 2 GB
How can I split a video into several files?
Add one video, choose markers, fixed-duration chunks, a number of equal parts or explicit start–end ranges, then review every segment and export. Fast splitting may align cuts to keyframes, while precise splitting can require re-encoding around boundaries.
Split methods in plain language
Use markers when cuts follow real events, fixed duration for regular chunks, equal parts when only the number matters, and custom ranges when you want selected highlights rather than complete coverage. Preview boundaries because a technically valid cut can still interrupt speech or motion.
Common reasons to split a video
Event and meeting sections
Export agenda items, speakers or sessions as independent clips.
Fixed-length delivery chunks
Create regular intervals for review workflows, upload limits or sequential processing.
Highlight extraction
Use custom ranges to export only selected moments while leaving unneeded gaps out.
How to split a video
Load one source video
Confirm its duration, frame rate and audio before defining output ranges.
Choose the split method
Pick markers, fixed duration, equal parts or custom ranges based on the structure of the content rather than choosing by convenience alone.
Name and inspect every segment
Use meaningful names and preview the beginning and end of every segment, especially around speech, music beats and scene changes.
Choose fast or precise cuts
Use fast mode when nearby keyframes are acceptable. Use precise mode when exact boundaries matter and longer processing or re-encoding is acceptable.
Export and verify files
Process the segments, check successful outputs, then download individual files or a ZIP before closing the page.
Choose boundaries that make sense
Cut on ideas, not only timestamps
A clean segment begins with enough context and ends after the idea or action resolves. Fixed intervals are convenient, but topic-based markers usually make better standalone clips.
Keyframes affect fast cuts
Compressed video does not store every frame independently. Fast splitting often starts at a decodable keyframe, so the visible boundary can differ slightly from the requested timestamp.
Overlaps create duplicate footage
Custom ranges can intentionally reuse a moment, but accidental overlaps make repeated content and larger total output. Review the range table before export.
Use stable file names
Include source name, part number or meaningful topic so segments sort correctly and remain understandable after download.
Verify each output, not just the plan
Encoding, keyframe alignment and browser support can affect actual files. Open the beginning and end of each output and confirm audio synchronization before deleting source material.
Privacy and output handling
A local source is processed in the current browser, while a remote URL requires access to its host. Multiple generated segments can contain the same sensitive footage, so download only what is needed and clear temporary results on shared devices.
Split-video limitations
- Fast cuts may move to nearby keyframes instead of matching the exact timestamp.
- Precise cuts can require re-encoding and take longer.
- Many segments increase memory use, processing overhead and download management.
- A ZIP archive can fail even when individual segment files were created successfully.
- The original file remains unchanged; deleting it before checking every output is not recommended.
Split video questions
Which split mode should I use?
Use markers for meaningful events, fixed duration for regular chunks, equal parts when the requested count matters, and custom ranges for selected highlights or gaps.
What is the difference between fast and precise splitting?
Fast mode can reuse encoded data and align boundaries to keyframes. Precise mode targets requested times more closely by re-encoding around cuts, which takes longer and may affect size or quality.
Can custom ranges overlap?
Only when the implementation explicitly allows duplicate footage. Overlapping ranges export the same source moment more than once and increase total output.
Why is the last fixed-duration segment shorter?
The remaining time may be less than one full interval. Keep that remainder to preserve the end of the video, or exclude it only when the interface provides that option and the footage is unnecessary.
Does splitting change the original video?
No. The source is read to create separate segment files. Keep it until every output has been checked and backed up.
Can I download all segments as one ZIP?
Yes when ZIP packaging is implemented and the browser has enough memory. If archive creation fails, successful segment files should remain available for individual download.
Why is there a small timing difference at a cut?
Fast splitting often begins at a nearby keyframe because inter-frame video cannot always start decoding at an arbitrary frame. Use precise mode when the exact moment is important.
Why did only some segments export?
A particular range may be invalid, too short, affected by an unsupported stream section, or processing may have exhausted memory. Keep successful files, inspect failed ranges and retry a smaller batch.