어떤 해상도와 FPS에서든 H.264, H.265, AV1, ProRes의 비트레이트, 파일 크기, 재생 시간 간 변환을 수행하세요. 업로드와 아카이브를 위한 추천 비트레이트 표를 제공합니다.
| 코덱 | 비트레이트 (Mbps) | 파일 크기 | 저장 가능 매체 |
|---|
파일 크기(바이트) = (영상 비트레이트 + 오디오 비트레이트) × 길이 / 8. 권장 비트레이트는 H.264/H.265/AV1에 대한 YouTube 및 방송 가이드라인을 따르며, ProRes는 Apple이 공개한 데이터 레이트 표를 기준으로 합니다. 60fps는 약 1.5배, 120fps는 약 2배의 배율이 적용됩니다.
ProRes는 인트라프레임 방식의 중간 코덱으로, 배포용 코덱보다 용량은 훨씬 크지만 편집 작업에는 이상적입니다.
File size = (video bitrate + audio bitrate) x duration / 8. The recommended bitrate itself is a lookup rather than a formula: each codec carries a table of Mbps per resolution. H.264 is 8 Mbps at 1080p and 45 at 4K UHD, H.265 is 5 and 25, AV1 is 4 and 20, ProRes 422 is 147 and 492. Frame rate then applies a multiplier, 1.0 up to 30 fps, 1.5 at 60 fps and 2.0 at 120 fps.
Resolution and codec move the number furthest. Duration accepts mm:ss, hh:mm:ss or plain seconds and starts at 10:00; Resolution spans 480p to 8K UHD with 1080p selected; Codec defaults to H.264 (AVC). Audio bitrate defaults to 192 kbps and is added to the video rate before the size is worked out, which is why the headline Mbps and the total underneath differ. All five codecs appear in the table simultaneously for comparison.
These are published-guideline starting points, not encoder output. Real file size depends on how much motion and fine detail a shot contains, whether you encode at constant or variable bitrate, and which preset and quality target you choose, so a static talking head at 1080p H.265 will land well under 5 Mbps. The ProRes rows are fixed data rates and therefore dependable; the H.264, H.265 and AV1 rows are estimates that any two-pass encode will beat or miss.
The tool applies a 1.5x frame-rate multiplier above 30 fps, so H.264 rises from 8 to 12 Mbps at 1080p60, H.265 from 5 to 7.5 Mbps and AV1 from 4 to 6 Mbps. At 120 fps the multiplier becomes 2.0 instead.
In the built-in table H.265 sits at roughly 60% of the H.264 rate and AV1 at about half. At 4K UHD that reads 45 Mbps for H.264, 25 Mbps for H.265 and 20 Mbps for AV1, for a comparable picture.
ProRes is an intra-frame editing codec: every frame is compressed independently, with no reference to neighbouring frames. At 1080p the tool lists ProRes 422 at 147 Mbps and ProRes 4444 at 220 Mbps, against 8 Mbps for H.264 delivery.
Yes. The audio figure in kbps is divided by 1,000 and added to the video bitrate before duration is applied. The big number shows video only, while the line beneath it reports the combined video-plus-audio rate actually used for the size.
Type 2:00:00, or 120:00 for minutes and seconds, or 7200 for raw seconds. The duration parser handles all three: two colons are read as hours, minutes and seconds, one colon as minutes and seconds, and a bare number as seconds.
Crop Factor & Equivalent Focal Length Calculator
Convert focal length and aperture between sensor sizes — Full Frame, APS-C, M43, 1" and medium format.
Hyperfocal Distance & Depth of Field Calculator
Calculate hyperfocal distance and near/far DOF limits for any focal length, aperture and sensor size.
Exposure Triangle Calculator (ISO, Shutter, Aperture)
Calculate equivalent exposures across aperture, shutter speed and ISO with reciprocal stops.
Aspect Ratio Resizer (Image, Video, Social)
Resize any dimensions while keeping aspect ratio, with presets for Instagram, TikTok, YouTube and cinema formats.
