Which video codec should I use for YouTube uploads?

For maximum quality, export in Apple ProRes 422 or high-bitrate H.265 (HEVC). YouTube will ingest your master file and transcode it into VP9 and AV1 for playback to viewers.

Why does 60 fps video require more bitrate than 24 fps?

60 fps video contains 2.5 times as many image frames per second as 24 fps footage, demanding 30% to 50% more bitrate to maintain equivalent per-frame detail and compression clarity.

Media & Images

Video Codec File Size & Bitrate Estimator

The problem: Exporting high-resolution videos without estimating codec compression leads to oversized files or compromised visual quality.

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100% In-Browser Execution. Zero server uploads. Your data never leaves this tab — disconnect your internet and the tool keeps working.

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100% In-Browser Execution. Zero server uploads. Your data never leaves this tab — disconnect your internet and the tool keeps working.

Video Specifications

Duration (Minutes)

Resolution

Frame Rate (FPS)

H.264 / AVC

Universal Web Standard

585.9 MB

Target Bitrate: ~8 Mbps

Universal compatibility across legacy browsers, TVs, and hardware

H.265 / HEVC-40% Size

High Efficiency

357.1 MB

Target Bitrate: ~4.8 Mbps

Modern mobile devices, 4K HDR playback, DJI drones, GoPro footage

AV1 (AOMedia)-50% Size

Next-Gen Open Royalty-Free

299.8 MB

Target Bitrate: ~4 Mbps

YouTube, Netflix, modern Chrome/Firefox browsers with maximum bandwidth savings

Apple ProRes 422

Intra-frame Editing Master

8.19 GB

Target Bitrate: ~117 Mbps

Non-linear editing in Final Cut & Premiere without CPU decoding lag

Codec Selection Advice

Use H.264 for maximum web compatibility and email attachments. Choose H.265 (HEVC) for 4K video exports to iPhone, Android, and smart TVs. Select AV1 for ultra-compact YouTube and modern browser uploads. Master in Apple ProRes 422 for editing and archival without losing generation quality.

Video Codec File Size & Bitrate Estimator: the complete guide

A Video Codec File Size and Bitrate Estimator compares expected export file sizes across H.264 (AVC), H.265 (HEVC), AV1, and Apple ProRes 422 for 1080p, 4K, and 8K video timelines. Video creators, video editors, and streaming engineers must balance compression efficiency against hardware compatibility when exporting finished videos for YouTube, mobile devices, and client delivery. This tool calculates bitrate targets and estimated storage sizes with percentage bandwidth savings.

Generational Codec Evolution: H.264 vs. HEVC vs. AV1

H.264 (AVC) remains the most universally compatible video codec in history, playable on virtually any smartphone, smart TV, or web browser. H.265 (HEVC) delivers equivalent visual fidelity at roughly 40% lower bitrates, making it the standard for 4K streaming and mobile capture. The royalty-free AV1 codec achieves an additional 20-30% efficiency beyond HEVC, allowing 4K streaming over bandwidth-constrained mobile networks.

Inter-Frame vs. Intra-Frame (ProRes) Encoding

Consumer codecs like H.264 and HEVC utilize inter-frame compression (long GOP), where only changes between frames are encoded. In contrast, Apple ProRes 422 is an intra-frame codec where every individual frame is compressed as a standalone image. ProRes files are 10 to 30 times larger than H.264, but they decode with zero CPU latency during professional timeline editing.

Step by step: how to use Video Codec Calc

1
Enter your video sequence runtime in minutes.
2
Select your timeline resolution (1080p Full HD, 1440p QHD, 4K UHD, or 8K).
3
Select your project frame rate (24, 30, or 60 fps).
4
Compare calculated file sizes across H.264, H.265 (HEVC), AV1, and Apple ProRes 422.
5
Review the efficiency savings percentage and recommended distribution use case for each format.

Security & privacy

Private and client-side only. All bitrate models and compression formulas compute in local browser memory without uploading video metadata or client project specifics.