Auto edit · Claude Sonnet 5.5How it works

AI video editor: drop your rushes, get a finished edit.

Film in any language, drop the whole folder, pick TikTok or YouTube and a length. The AI puts your takes in order, keeps the best ones, cuts the silences and mistakes without breaking a sentence, then adds captions, zooms and sound effects. You watch it happen on the timeline.

Drop your rushesUp to 60 clips
99 languages Never cuts inside a sentence Charged only when the edit lands
Auto edit · 6 rushes · TikTok 9:16 · about 60 s Transcribing

    Illustration of an edit as it appears in Video Studio: each line in the feed is a decision Claude writes, placed on the timeline as soon as it arrives.

    01 / Definition

    What is automatic video editing?

    Automatic video editing turns raw footage into a finished, publish-ready video without cutting by hand. In Nano Banana Video Studio, Auto edit reads what you say in every rush, chooses the story order and the best take of each idea, removes silences, filler words and mistakes on sentence boundaries, and finishes the video with captions, zooms, b-roll and sound effects. The result is a regular timeline, so you keep the last word.

    • InputUp to 60 rushes: MP4, MOV, M4V, WebM or MKV, any language
    • FormatsTikTok, Reels, Shorts 9:16 (15 to 90 s) · YouTube 16:9 (1 to 10 min)
    • EditorClaude Sonnet 5.5, on a transcript with word timings from ElevenLabs Scribe
    • OutputAn editable timeline, exported as MP4 in 1080p
    • Price10 credits an edit, only when it is delivered
    02 / How it works

    From a folder of rushes to a video you can post.

    Four steps, and only the first two need you.

    STEP 1Drop your rushes

    One file, a selection or a whole folder from your phone or camera. A folder becomes a folder in Media / Assets, so you find your rushes again later.

    STEP 2Pick format and length

    TikTok or YouTube, a target length, and the finishing touches you want. Add a note if something matters: “keep the joke about the cat”, “end on the price”.

    STEP 3Watch the AI edit

    Your rushes are transcribed, then Claude writes the edit decision by decision. Each cut, caption and effect lands on the timeline while you watch.

    STEP 4Tweak and export

    Move a cut, rewrite a caption, remove an effect, or keep it as it is. Export an MP4 without watermark and post it wherever you want.

    03 / What the AI does

    The work of an editor, not a silence cutter.

    Removing pauses is the easy part. Auto edit reads the whole story before it cuts.

    Puts the takes in order

    Rushes rarely come in the right order. The AI builds a story: hook first, then the explanation, examples and a clear ending.

    Drops what you do not need

    False starts, “is it recording?”, tests, setup talk, off-topic chatter and repeated ideas go. When an idea is said three times, the best take stays.

    Respects your sentences

    Every kept piece starts and ends on a full sentence. Inside it, only pauses and fillers such as “um”, “uh” or “euh” are cut, with a little air around the words.

    Aims for your length

    The edit targets 90 to 110 % of the length you chose. Too short after the first pass? A free second pass adds the best unused passages.

    Captions word by word

    Captions follow the voice word by word, in the language spoken, with the key words highlighted. Sized for vertical or horizontal video.

    Light zooms

    Punch-ins on strong lines and slow push-ins on long ones keep the frame moving, without the shaky look of zooms on every cut.

    B-roll from your own shots

    Silent shots in your rushes (the product, the place, your hands) are laid over the talking parts where they illustrate what you say.

    Sound effects, mixed

    A few whooshes, pops and hits on cuts and key words, placed under the level of your voice so none of them jumps out. Music is optional.

    Any language

    Speech is transcribed in 99 languages and the language of each rush is detected. Notes, titles and captions follow the language you speak.

    04 / Formats

    TikTok or YouTube, edited for each.

    The format changes more than the frame: vertical edits are tighter, horizontal ones leave room to breathe.

    TikTok · Reels · ShortsYouTube
    FrameVertical 9:16, 1080 × 1920Horizontal 16:9, 1920 × 1080
    Target lengths15 s, 30 s, 60 s, 90 s1 min, 3 min, 5 min, 10 min
    PacingTight: short pauses are cut tooNatural: a little more breathing room between sentences
    CaptionsLarge, in the lower middle of the frameNear the bottom of the frame
    Best forHooks, tips, UGC ads, quick storiesTutorials, vlogs, reviews, talks

    More on each platform: TikTok video editor, YouTube video editor, Instagram video editor.

    05 / Compare

    Editing by hand vs Auto edit.

    The same 20 minutes of rushes, two ways to get to a 5-minute video.

    Classic timeline editorNano Banana Auto edit
    Watching the rushesYou watch everything to find the good takesThe AI reads the full transcript of every rush
    Order and best takesYou decide clip by clipStory order and best take chosen for you
    Silences and fillersCut one by one, or a silence tool that also cuts mid-sentenceRemoved inside kept sentences only
    Captions, zooms, SFXAdded and timed by handAdded in the same pass, timed to the words
    Final controlFullFull: every decision is a normal clip on the timeline
    06 / Under the hood

    Your rushes stay on your computer.

    A 4K phone rush weighs gigabytes; uploading it all before editing would take longer than the edit. So your browser does the heavy work on your own files: it reads the sound, finds the silences, samples frames into one contact sheet per rush and encodes a light audio track for the transcription. Only the parts of your rushes that end up in the video are sent, in 1080p.

    • In your browserSound analysis, silence detection, frame sampling, 1080p re-encoding of the used parts
    • TranscriptionA light mono audio track, ElevenLabs Scribe, word timings, 99 languages
    • Edit decisionsClaude Sonnet 5.5 from the transcript and contact sheets
    • StorageUsed rushes in Media / Assets, in a folder named after yours
    07 / Use cases

    Made for people who talk to the camera.

    Auto edit works best when there is speech: it edits from what you say.

    Talking-head tips

    Ten takes of the same advice become one tight 60-second short.

    Vlogs

    A day of clips ordered into a story, with your silent shots as b-roll.

    Tutorials

    Mistakes and restarts removed, every step kept in order.

    UGC ads

    Several hooks filmed, the best one first, the offer at the end.

    Podcasts and interviews

    A long recording cut to 3, 5 or 10 minutes of the best passages.

    08 / FAQ

    AI video editor FAQ

    Plans and credits: pricing. New footage from a prompt: AI video generator.

    Guides: edit a video automatically, remove silences and bad takes, raw footage to TikTok, long YouTube videos.

    What is an AI video editor that edits automatically?
    It is an editor that turns raw footage into a finished video without you cutting anything by hand. In Nano Banana Video Studio, Auto edit transcribes your rushes, then Claude Sonnet 5.5 decides the story order, keeps the best take of each idea, removes silences, filler words and mistakes, and adds captions, zooms, b-roll and sound effects. The edit lands on a normal timeline that you can still change.
    How does automatic video editing work?
    You drop your rushes (one file or a whole folder), choose TikTok (9:16) or YouTube (16:9) and an approximate length, then press Edit. Your browser analyses the sound and samples frames of every rush, ElevenLabs Scribe transcribes the speech with word timings, and Claude Sonnet 5.5 writes the edit. Each decision appears on the timeline as it is written, so you watch the video being cut.
    Which languages does it understand?
    Any language the speech-to-text recognises: ElevenLabs Scribe covers 99 languages and detects the language of each rush by itself. Captions are written in the language that is spoken, and you can mix languages between rushes.
    Will the AI cut in the middle of a sentence?
    No. Cuts are placed on sentence boundaries: a kept piece always starts at the beginning of a sentence and ends at its end. Inside a sentence, only pauses and filler words such as “um”, “uh” or “euh” are removed, with a short margin so the words never sound clipped.
    Will the video have the length I asked for?
    Approximately, not to the second. The AI aims for 90 to 110 % of the target. If the first pass is too short, it runs a free second pass that adds the best unused passages. If your rushes do not contain enough usable speech, it keeps every good sentence and tells you how long the video can be.
    Which formats and lengths can I choose?
    TikTok, Instagram Reels and YouTube Shorts in vertical 9:16 at 1080 × 1920, with targets of 15, 30, 60 or 90 seconds. YouTube in horizontal 16:9 at 1920 × 1080, with targets of 1, 3, 5 or 10 minutes.
    What files can I drop?
    MP4, MOV, M4V, WebM and MKV video files, up to 60 rushes per edit, straight from your phone or camera. 4K clips work too: only the parts used by the edit are re-encoded in 1080p.
    Are my full rushes uploaded?
    No. The analysis runs in your browser on your own files. Only the transcription audio (a light mono track) and the parts of each rush that the edit actually uses are uploaded. The rushes you use are saved in Media / Assets, inside a folder named after the folder you dropped.
    Can I change the edit afterwards?
    Yes. The result is an ordinary Video Studio timeline: move or trim any cut, rewrite a caption, remove a zoom or a sound effect, relight a shot or ask the AI for a change, then export an MP4. Nothing is baked in until you export.
    Does it add music and sound effects?
    Sound effects are on by default and used sparingly: a few whooshes, pops and hits on cuts and key words, mixed below the level of the voice so none of them jumps out. Background music is off by default; you can turn on a generated track before the edit.
    How much does Auto edit cost?
    An edit uses 10 credits and is charged only once the edit is delivered; a failed edit costs nothing, and the lengthening pass is free. Auto edit is part of every paid plan: Basic at €19.99/mo includes 1,000 credits, Pro at €39.99/mo has no credit limit. Exports have no watermark and include commercial rights.
    AI video editor or AI video generator: what is the difference?
    An AI video editor works on footage you filmed: it cuts, orders and finishes it. An AI video generator creates new footage from a text prompt or an image. Nano Banana does both; for generation, see the AI video generator page.

    Film it. The AI edits it.

    Auto edit is part of every paid plan, from €19.99/mo with 1,000 credits, or no credit limit on Pro. Cancel anytime.

    Nano Banana Video is an independent service by Lanne Tech. TikTok, YouTube, Instagram, Claude and ElevenLabs are trademarks of their owners; Nano Banana is not affiliated with them. Nano Banana edits and exports your video; you publish it.