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
AI color grading for video: AI edit or a fixed grade?
AI color grading for video means an AI edit that re-renders a clip toward a look, or a fixed filter grade applied the same way to every frame.
Google Business Profile photo size: 720 × 720 px, JPG or PNG
Google recommends Business Profile photos at 720 × 720 px, at least 250 × 250 px, JPG or PNG, 10 KB to 5 MB. What that means for cover, logo and posts.
Google Shopping image requirements: size, rules and AI tags
Google Shopping images must be at least 500 × 500 px from January 31, 2027, under 64 MP and 16 MB, with no promo overlays; AI images need AI metadata.
Open Graph image size: 1200 × 630 and the 1.91:1 ratio
Meta recommends Open Graph images of at least 1200 × 630 px, close to 1.91:1 and under 8 MB, with 200 × 200 the minimum. How to make one per page.
Clipping path service vs an AI background removal API
A clipping path service hand-draws a vector outline around each product. An AI remover returns a transparent PNG instead. When each one fits, and costs.
Spotify audio ad specs: length, file, and loudness rules
Spotify audio ads run up to 30 s as MP3, WAV or OGG: 44.1 kHz stereo, 192–320 kbps, -16 LUFS, up to 50 MB, plus a 600×600-minimum companion.
Audio ad specs: Spotify, Amazon, SiriusXM, and YouTube
Audio ad specs by seller: Spotify wants 192–320 kbps at -16 LUFS, Amazon a 10–30 s file up to 3 MB, SiriusXM a 44.1 kHz MP3, YouTube a video.
YouTube TV ad specs: ad lengths and the 1-second rule
YouTube TV ads run :06 or shorter, :15 or shorter, :30, or :60, and Google says 30- and 60-second ads that miss by over 1 second won't serve.
Microsoft Advertising video ads: specs for 1 to 3 stars
Microsoft Advertising rates Online Video ads 1–3 stars: 6–90 s at 2,500+ kbps for one star, exact lengths and 8,000–10,000+ kbps for more.
Amazon online video ad specs: OLV size, length, bitrate
Amazon online video (OLV) ads run 6–120 s in 16:9, at least 1920×1080 and 4 Mbps, with 192 kbps AAC on 2+ channels and up to 500 MB site-served.
Samsung TV ads specs: Samsung DSP video file rules
Samsung TV (CTV) ads on Samsung DSP are 16:9 MP4, H.264 with AAC or MP3, 5–90 s, up to 50 MB, 5–10 Mbps recommended, 1280×720 or larger.
TikTok TopView ad specs: size, length, and safe zones
TikTok TopView ads are vertical 9:16 videos of 540×960 px or more, 5–60 s (9–15 s recommended), up to 500 MB, 2,500 kbps or more, pre-approved.
eBay photo requirements: size, file limits, and backgrounds
eBay photos must show the actual item, be at least 500 px on the longest side (800–1,600 suggested), up to 7 MB, with no borders, text or watermarks.
WooCommerce product image size: defaults and crop settings
WooCommerce shows product images 600 px wide uncropped, grid thumbnails 300 px wide cropped square, and gallery thumbnails at 100×100 by default.
AI image upscaler 8x: what Sume's upscale API allows
Sume's Image Upscale 1.0 takes an upscale_factor from 1 to 4, so a request for 8 is rejected. What it accepts, costs, and what to do when you need more pixels.
Instrumental AI music by API: how to ask for no vocals
To get instrumental AI music, end the prompt with 'Instrumental, no vocals.' How Lyria 3.5 and Sume's music API handle exclusions.
AI music BPM control: set the tempo in the prompt
There is no BPM parameter in Lyria 3.5 or Sume's music API. Write the tempo as a number in the prompt, then check the result. How, and what to expect.
AI music stems: does the API return separate tracks?
Sume's music API returns one audio file, not stems. What Lyria 3.5's documentation covers, and how to get parts you can mix separately.
AI song structure tags: [Verse], [Chorus] and timestamps
How to structure an AI song prompt for Lyria 3.5 with section tags and timestamps, and how the same prompt goes through Sume's Music Router.
Sound effects for video AI: write the sounds into the clip prompt
With no sound-effects endpoint, video effects come from models that generate audio with the clip. Check the generate_audio flag, then describe each sound.
AI sound effects for video: what Sume lists and what it does not
Sume does not list a dedicated sound-effects model. Sound for video comes from video models with generate_audio, the music route, or your files on the Timeline.
24fps vs 30fps AI video: which output.fps to set on Sume
Should an AI video be 24 or 30 fps? On Sume's Timeline, leave output.fps unset to follow your sources; set 24, 25, 30 or 60 only when a delivery spec needs it.
Reframe an AI video to 9:16: regenerate, crop or fit?
Luma lists enhanced reframe for Ray3.2. On Sume, a 9:16 frame comes from asking for it, cropping with video filter, or fitting in Timeline.
App Store screenshot size (1290×2796) and AI images
Apple lists 1290×2796 for 6.9-inch iPhone screenshots. Sume's ChatGPT Image 2.5 cannot output it exactly, so generate the same shape larger and resize.
Extract 16 kHz mono audio from a video for speech-to-text
Set sample_rate 16000 and channels mono on Sume's audio detach to get the speech-to-text shape from a video. Options, the 900 second cap and the price.
AI avatar video aspect ratio: 9:16, 1:1, 3:4, 4:3, 16:9
Sume's avatar video accepts five aspect ratios and defaults to 9:16 at 720p. Which ones are portrait, square or landscape, where to set it, and when it locks.
Change one lyric in an AI song without regenerating it
Suno says v6 can update a single lyric in an existing song. Sume's music docs list generation only, so a changed lyric means a new track.
How to combine audio files without gaps using an API
Join audio files into one gapless file with Sume's Timeline audio concat: up to 20 parts, sample-domain, with segment offsets returned for re-basing.
DaVinci Resolve AI video plugin: Runway's, and an API route
Runway put a paid plugin in DaVinci Resolve on Sep 23, 2026. Sume has none; its API hands an editor separate clips or one assembled MP4.
ffmpeg_fields_rejected: why the API refuses ffmpeg flags
ffmpeg_fields_rejected means you sent vf, codec, crf or another ffmpeg field. Sume's media tools build the ffmpeg command themselves; send their own fields.
FLUX video upscale 1.5x to 3x: limits, and Sume's upscaler
BFL's FLUX Video Upscale runs 1.5x to 3x on clips up to 20 s and 50MB. What its limits are, and how Sume's video upscale endpoint takes a video_url.
frame_time_out_of_range: fix a video frames request
frame_time_out_of_range means an at value fell outside 0 to the clip length. Sume's video frames tool names the probed duration; keep every time below it.
Google Play feature graphic size (1024×500) and AI images
Google Play asks for a 1024×500 feature graphic. Sume's ChatGPT Image 2.5 cannot output that exact size, so generate the same shape larger and resize.
AI video HDR and EXR export: what Sume's outputs are
Luma says Ray3.2 has native HDR with 16-bit EXR export. Sume's docs describe MP4 outputs and no HDR or EXR; here is where that matters in a finishing pipeline.
How to flip a video horizontally with an API
To mirror a video left to right, run the hflip filter. Sume's video filter takes it as a one-line filtergraph and returns a new MP4.
Can AI make a song from a voice memo or a video?
Suno v6 says it can start from a voice memo, image or video. Sume's music API takes a text prompt and one optional image, so audio and video stay outside it.
Mastodon video size limit: 99 MB, one video per post
Mastodon's docs allow a video of up to 99 MB (MP4, M4V, MOV or WebM), one per post, transcoded to H.264 at up to 1300 kbps. What that means for your export.
Maximum video length for Sume's media tools: 300, 900 or 1800 seconds
Each Sume media tool has its own length cap: video filter and frames 300 s, trim and audio detach 1800 s in and 900 s out, compose 300 s. The full table.
Nano Banana watermark: SynthID and C2PA on images via Sume
Google says Nano Banana 2 images carry SynthID and C2PA Content Credentials. Sume's docs say nothing about either, so check the file you download.
Premiere Pro AI video plugin: what Sume offers instead
Sume's docs describe no Premiere Pro plugin. Its route is an API loop that submits shots, waits for each job and downloads MP4 files for a Premiere bin.
Qwen Image Layered: what Sume returns, flat or transparent
Sume's image API returns flat images, not separate layers. It lists qwen/qwen-image and qwen/qwen-image-max, and offers transparent backgrounds on other routes.
Reddit ad image size: 1080x1080, 3 MB, JPG or PNG
Reddit image ads take JPG, PNG or GIF up to 3 MB. It recommends 1080x1080 (1:1), 1080x1440 (3:4) and 1080x1350 (4:5). How to ask Sume for those ratios.
Reddit video ad specs: MP4 or MOV, 1 GB, 30 FPS
Reddit video ads take MP4 or MOV up to 1 GB at 30 FPS or less, 2 seconds to 15 minutes, with sizes like 1200x1200 and 900x1200. How to render to them.
Remove the background and upscale an image: which order?
Upscale first, then remove the background, so the file you keep is the RMBG PNG with alpha. Sume's docs do not say the upscaler keeps transparency.
remove.bg API is moving to Leonardo: a background removal API
remove.bg says its API moves to Leonardo.Ai on December 1, 2026. If you need a background removal API, here is Sume's RMBG 1.0 contract.
Runway Enhance Frame Rate API: what Sume offers instead
Runway lists Enhance Frame Rate up to 120 fps. Sume documents no interpolation; it conforms with output.fps 24, 25, 30 or 60 by repeating or dropping frames.
How to split an audio file into parts with an API
Split one audio file into parts at the times you choose with Sume's Timeline audio split: up to 20 ranges, each returned as its own wav or mp3 file.
Spotify error: audio and video streams are different durations
Spotify rejects a video episode whose audio and video tracks start and end at different times. Re-export them to match, then check the length with a probe.