Choose a service by checking the source file’s size and duration, the total time it can broadcast, the number of permitted loops, and whether it can schedule an automated prerecorded event. Those are separate from YouTube’s own upload limits: verified accounts can upload a video up to 256 GB or 12 hours, whichever is less, but a direct upload is an on-demand video, not a looping livestream. For an always-on YouTube stream from uploaded videos, StreamNeo is the first option to consider: it runs from the cloud, supports uploads as made up to 4K 60fps at one flat price per slot, and offers a free first day.
First, decide what “loop” means for your channel
Services use similar language for different workflows. A loop might mean replaying a clip inside a live studio, sharing a local video file during a studio session, or scheduling an uploaded video or playlist to repeat as a prerecorded livestream. Only the last workflow is designed to run as an automated cloud event without keeping a studio open.
- Direct YouTube upload: publishes a video for on-demand viewing. It does not by itself schedule a live event.
- Studio clip loop: repeats a clip in a live studio, typically while that studio session is running. Do not assume it supports long prerecorded events or unattended scheduling.
- Local file shared in a studio: plays a file from the creator’s computer during a live session. The computer and studio workflow remain part of the operation.
- Scheduled prerecorded livestream: uploads media to a service and schedules it to broadcast as a YouTube live event. Check whether repeat playback is explicitly supported and what event-duration limits apply.
Check YouTube’s upload ceiling separately
YouTube Help says verified accounts can upload videos longer than 15 minutes, up to 256 GB or 12 hours, whichever is less. For an upload larger than 20 GB, YouTube advises using a current browser and recommends H.264 compression to reduce file size. These are direct-upload limits, not a promise that a third-party livestreaming service accepts a file of the same size or duration. YouTube’s upload-size and duration guidance
If the goal is simply to make a long documentary available on demand, direct upload may be enough. If it must appear as a live event and repeat, compare the service’s own file and event limits instead.
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Compare services by the limits that affect your file
For a long source file, check the source upload ceiling and allowed source duration before looking at total loop time. Then confirm whether the event can be scheduled and run unattended. Published service limits below are documentation claims, not independent performance tests; plan entitlements and policies can change.
| Option | Documented workflow | Documented limits and caveats |
|---|---|---|
| StreamNeo | Upload a recording or playlist, add the YouTube stream key, and go live from the cloud; it loops uploaded video. | One always-on stream per slot, 10 GB storage per slot pooled across active slots, and uploaded quality up to 4K 60fps at one flat price per slot. No computer needs to stay on. A free first day is available once per account, without a card. StreamNeo streams to YouTube only. |
| Restream prerecorded event | Upload and schedule a prerecorded video or playlist, with looping enabled. | Restream says looping is a paid feature, allows up to 10 loops, and sets a maximum total stream duration of 40 hours. Its reviewed looping page does not state the source-file upload ceiling; verify the current eligible plan and upload limits before subscribing. Restream’s prerecorded looping documentation and upload documentation |
| StreamYard prerecorded streaming | Upload a video for automated prerecorded streaming. | Its help pages list 10 GB on Core and Advanced plans, and 25 GB on Teams and Business; source durations are listed as 2 hours on Core, 4 hours on Advanced, and 8 hours on Teams and Business. Recommended formats are MP4 or MOV with H.264 video and AAC audio; specifications depend on plan. Check current plan details. StreamYard’s prerecorded-streaming limits and format guidance |
| StreamYard studio long-form sharing | Share a local MP4 or MOV file in a live studio. | StreamYard says this feature has no file-size or length limit, but the file is not saved to the account and must be added again after leaving or refreshing the studio. It is not the same as uploading a cloud file for scheduled automatic rebroadcast. StreamYard’s long-form sharing documentation |
| StreamYard clip loop | Loop a video clip in a studio until manually stopped. | This is a studio clip feature; do not treat it as evidence that a long uploaded event can be automatically looped. StreamYard’s clip-loop documentation |
Use this decision checklist before paying
1. Compare the actual file with the source limits
Record the file’s size and duration, then check both against the service’s upload cap. StreamYard’s documented prerecorded-upload limits vary by plan, while Restream’s reviewed looping article does not establish its source-file ceiling. Do not infer a source-file limit from the allowed total broadcast duration.
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2. Calculate total event time
Multiply the source duration by the number of plays you need, then compare the result with the service’s maximum event duration. Restream documents up to 10 loops and a 40-hour total stream ceiling; a long source may therefore reach the ceiling before using all permitted loops.
3. Confirm unattended scheduling
If the event must start while you are away, look for a documented scheduled prerecorded-event workflow. A file shared from a live studio or a clip looping in an open studio is operationally different; it may require the studio session and local file to remain available.
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4. Decide whether a replay archive matters
Restream’s help page says YouTube archives streams under 12 hours. Because archive behavior and platform policy can change, confirm YouTube’s current rules and the exact event behavior before relying on a saved replay. Restream’s stream-duration and archive guidance
5. Check formats and upload time
For StreamYard prerecorded streams, its help pages recommend MP4 or MOV, H.264 video, and AAC audio, with specifications that vary by plan. YouTube also recommends H.264 when reducing the size of a large direct upload. Compressing may make a file easier to upload, but check the resulting image and sound quality before using it for a long broadcast.
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6. Verify plan eligibility and current terms
Feature pages establish some plan-specific limits, but they do not establish current prices or every entitlement. Check each service’s current pricing and plan page, especially when the required file is near a cap or the event needs to run for many hours.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Or let it run in the cloud
For an always-on YouTube stream from uploaded videos, StreamNeo keeps the playback in the cloud: upload a recording or build a playlist, add your YouTube stream key, and go live. Nothing has to stay on at home; uploads stream as made up to 4K 60fps at one price per slot, and StreamNeo automatically recovers if YouTube drops the stream. The first day is free with no card. Monthly pricing is $9.99 per month. See StreamNeo pricing, or start your free first day.
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