Proxies are lightweight stand-in files that Premiere Pro plays while your heavyweight originals sit untouched - the fix for choppy 4K, 10-bit, or long-GOP playback on modest hardware. The part editors get wrong is the boundary: the proxy toggle changes playback only. By default Premiere exports from your full-resolution originals even when proxies are switched on - Adobe documents this explicitly, which is why the proxy workflow is safe to leave armed during a client round. Here is the complete setup, including the two paths people miss (creating proxies for media already in the project, and attaching proxies to a project that never had them), and the review handoff at the end.
Why editors use proxies
Modern cameras write 4K-and-up files in long-GOP formats (H.264/H.265 at high bitrates) that decode slowly on laptops. Playback stutters, scrubbing lags, multicam falls apart. A proxy is the same clip in a lightweight, edit-friendly codec at reduced resolution. You cut with the proxy; the original never moves. When you are ready to read more, the proxy workflow explainer covers the concept tool-agnostically.
Create proxies for media already in your project
For footage you have already imported: right-click the media file (or a selection) in the Project panel and choose Proxy > Create Proxies. The dialog defaults to a ProRes QuickTime Proxy preset at Half resolution, with an optional watermark burned into the proxy itself (the watermark appears only on the proxy, never on your exports). Confirm, and Premiere queues the transcode jobs to Adobe Media Encoder. Per Adobe's current docs, ingest settings now live at File > Project Settings > Ingest Settings, with four operations: Copy, Transcode, Create Proxies, and Copy and Create Proxies - each with its own destination and preset pickers.
Toggle proxy playback
Proxies only help once playback actually uses them. Add the Toggle Proxies button to the Program Monitor via the Button Editor (the + at the bottom-right of the monitor), then click it whenever you want lightweight playback. There is also a fallback switch: Preferences > Media > "Enable proxies when available", which arms proxy playback automatically whenever a matching proxy exists. The blue "proxy" badge on the Program Monitor tells you which mode you are in - worth a glance before you judge an image quality issue.
Attach proxies to a project that never had them
Halfway through an edit and only now generating proxies? After Media Encoder finishes, right-click the clips in the Project panel and choose Proxy > Attach Proxies. Premiere matches by filename (adjust the match criteria in the dialog if your naming differs - the file-naming conventions that make this painless are in our naming guide), and "Relink others automatically" sweeps the rest. Note it is a per-clip operation in the Project panel, not a sequence-level switch.
What actually happens on export
This is the boundary that makes the whole workflow trustworthy: per Adobe's export documentation, Premiere uses full-resolution media on export by default, even when proxies are enabled. Exporting the proxy files themselves is a separate, explicit option - never tick it for client-facing renders. So the same project plays smooth on a laptop all day and still delivers from originals.
| Stage | Which media is used | What that means |
|---|---|---|
| Playback (toggle ON) | Proxy files | Smooth scrubbing on weak hardware; image is a stand-in |
| Playback (toggle OFF) | Originals | Full quality; the mode for color and QC passes |
| Export (default) | Originals | Proxies never affect the render |
| Review upload | Your exported file | An H.264 review copy, not the master - see below |
The review handoff
Proxies fix playback for you; the review round needs a small export for them. Export an H.264 review copy (format and settings here) and upload it as a new version on your review link - resumable, chunked uploads mean a dropped connection on a big render does not restart from zero. The tighter loop is the panel: with the Premiere review workflow, comments land next to the timeline so round notes become markers instead of a second screen. One habit to keep: do your color/QC pass with the proxy toggle OFF, so you are judging originals, not stand-ins.
FAQ
Do proxies lower export quality?
No. By default Premiere exports from your full-resolution originals even when proxy playback is enabled. Exporting proxy files is a separate explicit option you would only use for deliberately tiny outputs.
Which proxy preset should I pick?
Start with the default ProRes QuickTime Proxy preset at Half resolution - it plays well cross-platform. Any preset that scrubs smoothly on your weakest machine is the right preset; frame size matters more than codec for playback feel.
Do I need proxies for 1080p footage?
Usually not - modern machines decode 1080p easily. Proxies earn their keep at 4K+, 10-bit, H.265, high-frame-rate, or multicam workloads where playback stutters.
Can I delete proxies after the edit?
Yes. Proxies are disposable stand-ins. Toggle proxies off, archive or delete the proxy folder, and keep your originals - the project relinks to full-res media and exports normally.
Why are my proxies not attaching?
Almost always a name mismatch. Attach Proxies matches by filename criteria, so if your proxy generator renamed files differently from the originals, fix the match criteria in the dialog - and adopt a naming convention that keeps proxy and original names aligned from the start.