TikTok ad 516 kbps bitrate floor: smallest file for 10 minutes
TikTok lists a minimum bitrate of 516 kbps and a 500 MB cap for non-Spark ads. The math gives 38.7 MB at the floor for 10 minutes, and Sume cannot tune bitrate.
Media tools
Sume media tools by API: trim, filter, captions, frames, inspect, speech-to-text, upscaling, background removal, transitions, and Timeline assembly.
Start with: Video editing API limits: Sume media tool caps in one table
Pinterest video Pins: crop a 9:16 master to 1:2, 2:3, 3:4, 4:5
Pinterest lists 9:16 full-bleed plus 1:2, 2:3, 3:4, 4:5 and 1:1, from 4 s to 5 min. Centred crop fractions from a 9:16 source with Sume video-filter.
Crop a 16:9 master to 1:1 and 4:5: widths 0.5625 and 0.45
A centred 1:1 crop of 16:9 keeps 0.5625 of the width; 4:5 keeps 0.45. LinkedIn lists both ratios. Exact Sume video-filter crop values with rounding notes.
TikTok ad AI disclosure: the AIGC label or your own caption
TikTok's ad policy accepts the AIGC label or your own clear disclaimer, caption, watermark or sticker. Here is what Sume can burn in and what it cannot.
Upscale a Vidu Q4 clip on Sume: $0.009 per input second, 30 s max
Vidu Q4 Preview is not on Sume's video list, but its clips can go through Sume video upscale by public HTTPS URL. Cost table for 5 to 30 s. Read 2026-10-10.
Can video-trim output a 4K frame? Each side is capped at 2160 pixels
Sume video-trim conforms output to 256 to 2160 pixels a side at 24, 25, 30 or 60 fps, exact precision only, so a 3840 pixel side is refused. Read 2026-10-10.
TikTok Ad Network thumbnail is the first frame: check frame 0
TikTok's Ad Network spec says the first frame is the default thumbnail. Pull frame 0 with Sume video frames, and skip a fade-in so the thumbnail is not black.
Media API length limits side by side: trim, filter, frames, compose
One table of the source and output length limits for Sume's media tools: 300 s, 900 s, 1800 s and the 60 s caption price band. Read 2026-10-10.
LinkedIn video ad 5% aspect tolerance: crop a tall phone recording
A 1080x2160 phone recording is about 11% off 9:16, so LinkedIn's 5% tolerance can reject it. Crop it to 1080x1920 with Sume video filter first.
Blur and dim a video background so captions stay readable via API
Use video-filter with a dim op and a gblur filtergraph: $0.02 per encode, a free check first, 300 s source limit. Whole-frame only. Read 2026-10-10.
Suno Speech makes voice and music as one track. Sume keeps them apart
Suno Speech beta renders voice and music together. On Sume you generate speech, a music bed and a ducked mix as separate jobs, so each can be redone alone.
Lemon8 video length and ratio: 60 s, 3:4, prepared on Sume
Lemon8 supports videos up to 60 seconds and favors 3:4. Trim a longer clip to 60 s, crop 16:9 to 3:4 and conform to 1080x1440 with Sume.
TikTok pop-out showcase: 8 s minimum, 3 s in, 5 s tail
TikTok's pop-out add-on needs video of at least 8 s; the pop-out shows 3 s in and ends 5 s before the end. Work out the window and trim a clip to fit on Sume.
YouTube end screen needs 25 seconds: check and trim a cut
YouTube's help page says a video must be at least 25 seconds long for an end screen, placed in the last 5 to 20 seconds. How to check a file and plan the tail.
Reels ads ban edit lists and special boxes: check your MP4
Meta's Reels ad spec bars edit lists and special boxes and asks for H.264, fixed frame rate and stereo AAC. What a Sume probe can and cannot show.
YouTube thumbnail limit: 2 MB on mobile, 50 MB on desktop
YouTube's help page lists a 2 MB thumbnail cap on mobile and 50 MB on desktop. Export a JPEG still from a clip with video_frames and size it to fit.
Luma Ray3.2 reframe costs 6 to 36 cents a second; Sume crop is $0.02
Luma lists reframe at $0.06, $0.12 and $0.36 a second by resolution. Sume's video filter crops a clip for $0.02 a job. What each does and does not change.
Runway Enhance Frame Rate (24 to 120 fps) vs Sume's fps conform
Runway's Enhance Frame Rate converts video to 24-120 fps at 1 credit per 2 seconds. Sume's trim only conforms to 24, 25, 30 or 60 fps.
Google Ads Shorts: horizontal video serves with blurred edges
Google's Shorts ad specs say horizontal assets serve with blurred edges and only the first 60 seconds play in feed. Render your own 9:16 blur fit instead.
Kling Motion Control on a 7.2-second driving clip bills 8 s: $1.26
A 7.2-second driving video is billed as 8 seconds on Sume's Kling 3.0 Motion Control: 8 x $0.1575 = $1.26. Trim to 7.0 s to pay $1.1025 instead.
Six Motion Control jobs: 29.8 s of footage bills 32 s, $5.04
Six Kling 3.0 Motion Control jobs of 4.5, 6.2, 3.8, 5, 7.4 and 2.9 seconds bill 5+7+4+5+8+3 = 32 seconds on Sume: 32 x $0.1575 = $5.04.
Pinterest Idea ad video: 100 MB on web, 2 GB in app, 5 minutes max
Pinterest lists 100 MB on web and 2 GB in app for Idea ad video, up to 5 minutes. Here is the average bitrate each cap allows and how to check a Sume export.
Snapchat Commercials need H.264: trim keyframe copies the source codec
Snapchat lists H.264 mp4 or mov for Commercials. Video trim keyframe is a stream copy, exact re-encodes to libx264, so use exact if the source is not H.264.
Video filter limits: 8 ops, 2048 characters, 32 filters, 300 s
Video filter refuses a ninth op, a graph past 2,048 characters or 32 filters, and a source past 300 s. Each has its own code, and the free check catches most.
Pinterest Idea ad safe zone 270 top, 440 bottom: place captions
Pinterest's Idea ad safe zone leaves 820 by 1210 pixels on a 1080x1920 video. Work out the caption band, then test Sume's anchor_ratio against a still.
Upscale a 45-second clip: 30 s maximum, so two trims, $0.445
Sume Video Upscale takes at most 30 s at $0.009 a second. A 45-second clip needs two trims ($0.04) and two upscales ($0.405): $0.445, or $0.545 with a render.
VEED Fabric on a 41.5-second voice note: $4.20 at 480p, $7.88 at 720p
A 41.5-second voice note bills 42 seconds on Sume's VEED Fabric 1.0: 42 x $0.10 = $4.20 at 480p, 42 x $0.1875 = $7.875 at 720p, reserved as $7.88.
X website-button video: headline sits 8-12 px in, move captions
X's spec puts the headline 8 to 12 pixels from the left and bottom of a website-button video. Keep burned-in Sume captions clear of that corner at 800x450.
Dim a 20-minute video: trim to four 300 s pieces, then filter, $0.16
Video filter takes sources up to 300 seconds, video trim up to 1,800. A 20-minute video needs four trims and four filter jobs: 8 x $0.02 = $0.16.
Audio detach refuses a 31-minute video: trim it first, $0.43 total
Audio detach rejects sources over 1,800 seconds. A 31-minute video needs trimming into pieces first: four trims, four detaches and 31 minutes of STT cost $0.43.
Pinterest video ads start at 4 seconds, Sume trim allows 0.2: gate it
Pinterest's standard video ad minimum is 4 seconds and 15 minutes max, but video trim accepts 0.2 to 900 seconds. Add a length gate before you upload.
One frame at 12.5 s: video-frames vs video-inspect
Video frames returns a frame at its source size from clips up to 300 s. Video inspect defaults to 768 px, caps at 2160, and takes clips up to 1,800 s.
Shorts library track limited to 30 or 60 s: share of 3 minutes
YouTube says most Shorts songs run 90 seconds in a 3-minute Short, some 60 or 30: 50, 33 or 17 percent. See how a Sume soundtrack bed fills the rest.
16:9 clip in Snapchat's 720x1280 frame: contain fills 31.6 percent
A 1280x720 clip placed in a 720x1280 Snapchat frame fills 405 of 1,280 rows with contain. See what cover crops and what blur does in a Sume timeline render.
Video inspect on a 60 s clip: stills at 3.75 s, then every 7.5 s
With no frames program, video inspect returns 8 mid-bin stills. On a 60-second clip they land at 3.75, 11.25, 18.75 seconds and on, 768 px on the long edge.
Snapchat Commercials: 3-6 s or 7-180 s, a 6.5 s cut fits neither
Snapchat lists Standard Commercials at 3 to 6 seconds and Extended Play at 7 to 180. Cut to the exact second with video trim exact and check duration_seconds.
A 300-second recording in 24 stills: video-frames fps 0.08
Video frames caps a call at 24 stills and a 300-second source. Send fps 0.08 and a 300-second clip gives 24 mid-bin stills, one every 12.5 seconds.
RMBG on a 512 px icon or a 4K photo: $0.0225 either way
Sume RMBG 1.0 charges $0.0225 per image and the catalog says the price does not vary by image size. A 1,000-image batch is $22.50 whatever the pixel counts.
Cut out and upscale a product photo: $0.2225 per image on Sume
RMBG is $0.0225 and Image Upscale is $0.20, so a cutout plus upscale is $0.2225 per photo whichever step goes first. A 400-photo catalog is $89.00.
Best of 8 music takes costs $1.00 on Sume, then a 1-cent cut
Music 1.0 and the Music Router charge a flat $0.125 per track and reject a duration field. Generate 8 takes for $1.00, then cut the best one with a $0.01 split.
Pin lyria-3-pro or leave sume/music-auto? Both cost $0.125
On the Sume Music Router, sume/music-auto, lyria-3.5 and lyria-3-pro all bill $0.125 a generation, so price will not pick the model. Pin one for repeatability.
A 600-character script to a talking still: $0.03 TTS plus $3.80 Fabric
600 characters of TTS cost $0.0285 on Sume; if the audio measures 38 s, VEED Fabric adds 38 x $0.10 = $3.80 at 480p or $7.125 at 720p. Total $3.83 or $7.15.
X video ad thumbnail: PNG or JPEG under 5 MB, pulled from your own MP4
X accepts a PNG or JPEG thumbnail up to 5 MB that matches the video. Sume video frames returns a still at a time you pick, at source size.
One ad for X and Snapchat: no shared aspect ratio, render two masters
X lists 16:9 or 1:1 for video ads and Snapchat lists 9:16, so they share no ratio. A 140-second length fits both. Two Sume renders cost $0.60.
Fabric accepts image_url or avatar_handle, never both: which to send
On Sume's VEED Fabric 1.0 route, send one visual source: the image_url of an inspected still, or an avatar_handle the user named. Both together is not allowed.
Trim a 10 s moment and stack a product still: two jobs, $0.04
Video trim ($0.02) cuts the moment, and Timeline compose ($0.02) stacks a still above it as a 9:16 MP4. A 200-clip batch is $8.00 in worker jobs.
Generate at 4K or upscale a 1K: $0.20 vs $0.30 on Sume
Nano Banana 2.1 at 4K is $0.20. A 1K image plus Sume Image Upscale ($0.20) is $0.30. GPT Image 2.5 low plus upscale is $0.22475, against $0.2225 for high at 4K.
3.9-second reply: H3 Max needs 5 s, Fabric bills 4 s ($0.40)
A 3.9 s reply is under H3 Max Lip Sync's 5 s floor on Sume. Fabric bills 4 s: $0.40 at 480p, $0.75 at 720p. Padded to 5 s, H3 Max is $0.3125 at 480p.