For a typical 1080p video encoded with x264 in HandBrake, start at RF 22 (often called CRF 22). Treat it as a starting point, not a universal best value: check a representative short section and adjust for the source and the file size you can accept. YouTube publishes bitrate and format recommendations for uploads, not a HandBrake CRF value.
What RF or CRF means in HandBrake
HandBrake labels its constant-quality control “RF” (Rate Factor); CRF, or Constant Rate Factor, is the term commonly used with x264. In this mode, you choose a quality target and the encoder adjusts bitrate—and therefore file size—to reach it. A lower RF generally retains more visual quality and creates a larger file; a higher RF generally creates a smaller file with more compression. The scale is logarithmic, so even a small change can affect the result.
That is why a single number cannot guarantee the same appearance or file size across different footage. Resolution, source quality, motion, fine detail, grain, encoder choice, and your quality-versus-size preference all matter.
HandBrake RF starting points by resolution
HandBrake documents these x264/x265 constant-quality ranges by output resolution:
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| Output resolution | HandBrake RF range | How to use it |
|---|---|---|
| 480p / 576p | RF 18–22 | Choose within the range based on the source and desired size. |
| 720p | RF 19–23 | Use this range rather than assuming a 1080p value transfers unchanged. |
| 1080p | RF 20–24 | RF 22 is a practical first encode for typical x264 footage. |
| 2160p (4K) | RF 22–28 | Judge a sample from the actual footage; do not treat a 1080p number as equivalent. |
HandBrake also gives general x264 guidance of approximately RF 22 ±1 for HD and RF 20 ±1 for SD. These are software recommendations, not results from a comparative test. If the suggested value does not suit the footage, HandBrake recommends trying a short sample.
How to choose a value for a 1080p YouTube video
1. Start with x264 at RF 22
For an ordinary 1080p encode, RF 22 sits within HandBrake’s documented RF 20–24 range and is a sensible first attempt. Keep the encoder and source unchanged when comparing values so the RF adjustment is the main difference.
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2. Encode a representative section
Use HandBrake’s Preview feature or encode a short section that includes the kinds of images most likely to reveal compression: fast movement, fine textures, gradients, dark scenes, or visible grain. Inspect the result at the size viewers are likely to watch. A still frame alone may not show artifacts that appear during motion.
3. Adjust in small steps
- If you can see unacceptable loss of detail, banding, blocking, or artifacts during motion, try RF 21 or 20. Expect a larger output file.
- If the result looks good and a smaller file matters more, try RF 23 or 24. Check that motion and detailed scenes remain acceptable.
- Keep the value that gives an acceptable visual result at a manageable size; there is no universal file-size target implied by RF 22.
These adjustment examples apply HandBrake’s documented range; they are not claims of a tested optimum for every kind of video.
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4. Encode the full video with the chosen setting
Once the sample looks right, use the same encoder and RF value for the full encode. If you change resolution, encoder, or other relevant encoding choices, evaluate the result again rather than assuming the previous RF will look identical.
How HandBrake RF relates to YouTube upload guidance
YouTube’s upload recommendations specify encoding formats and bitrate ranges, not a HandBrake constant-quality number. For SDR H.264 uploads, YouTube recommends 8 Mbps for 1080p at standard frame rates (24, 25, or 30 fps) and 12 Mbps for 1080p at high frame rates (48, 50, or 60 fps). For 2160p SDR, the recommendations are 35–45 Mbps at standard frame rates and 53–68 Mbps at high frame rates. These are YouTube’s recommended bitrates; they are not RF values and should not be converted into a purported YouTube-prescribed CRF.
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A constant-quality encode chooses bitrate as needed to meet its quality target, so its final bitrate can vary with the material. Do not expect one RF value to produce a fixed bitrate or file size. YouTube’s bitrate guidance is a separate reference for upload encoding.
Other upload specifications to keep in view
YouTube’s cited upload guidance recommends MP4, H.264 High Profile, progressive scan, 4:2:0 chroma subsampling, CABAC, two consecutive B frames, a closed GOP, and source-matched frame rate. For SDR, it recommends BT.709. Interlaced video should be deinterlaced before upload. Audio recommendations include AAC-LC, Opus, or Eclipsa. A constant-quality RF slider does not by itself set every one of these properties.
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A preset-based option
If you would rather not choose RF manually, HandBrake’s Creator presets are intended for uploads to hosting platforms such as YouTube. They generally aim for higher video and audio quality to reduce generational loss from platform re-encoding. Preset names and exact settings can vary by HandBrake version, so check the installed version and inspect its preset settings rather than assuming every release is identical.
Copyright and YouTube eligibility still matter
Encoding quality does not grant rights to the material or determine whether YouTube will accept or monetize a video. Make sure you have the necessary rights to the video and audio, and review YouTube’s current rules for copyright, reused content, and monetization where relevant. A higher-quality encode cannot resolve a rights or policy issue.
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HandBrake prepares the video file; keeping a pre-recorded video live on a YouTube channel is a separate step. With StreamNeo, upload a recording or build a playlist, add your YouTube stream key once, and go live. It loops uploaded videos from the cloud, so nothing has to stay on at home. Each slot streams the uploaded quality up to 4K 60fps at one flat price per slot; it does not re-encode the upload. Automatic recovery can restart the stream if YouTube drops it. The first day is free with no card, and the monthly option is $9.99 per month. It is for YouTube streams of uploaded video, not live camera input. Start your free day.
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