AI video editor with an editing agent
Planegraph’s video editor runs in your browser. Its agent watches every frame and listens to every word of your footage. It plans the edit, keeps a to-do list and makes each cut on the timeline.
Footage: Traveling Expats, CC BY
The editing agent
Planegraph’s editing agent works like Claude or ChatGPT. It makes a plan, keeps a to-do list and carries out each step on the timeline.
Plans and to-do lists
The agent breaks your request into steps and keeps a to-do list. It works through the list one step at a time.
Chat mode and Edit mode
In Chat mode, the agent plans the edit with you and leaves the timeline as it is. In Edit mode, it carries out the edit on the timeline.
Long, multi-step edits
The agent keeps working through edits with many steps. Each change appears on the timeline as the agent makes it.
Instruction following
The agent uses everything it knows about your footage to follow your instructions, down to the frame.
Frame-level video understanding
Planegraph indexes every frame and every word of your footage. The agent uses that index to decide exactly where to cut and what to trim.
Frame-level cuts
The agent reads the frames of your video. It knows the exact moment something happens, so it cuts and trims on the right frame.
Dialogue understanding
The agent listens to your audio. It finds the key parts of a conversation in an interview or a podcast.
Dead air and slow stretches
The agent finds the slow parts of your footage. It trims them from the edit.
Highlight reels
The agent turns a 30-minute recording into a short highlight reel. It keeps the key moments and cuts the rest.
Hour-long recordings
The agent works with recordings up to an hour long. Each source file can be up to 500MB.
AI tools on the timeline
The editor runs AI models directly on your clips. Each result appears on the timeline as an ordinary clip that you can edit.
Nano Banana 2
Nano Banana 2 edits any image on the timeline from a text prompt.
Background removal
The editor removes the background from an image in one click.
Voice changer
The voice changer gives any audio or video clip a new voice.
AI keyframes
The agent sets keyframes from a description of the motion. Keyframes animate the position and opacity of text and shapes.
Object tracking
The editor follows a person, product or face frame by frame. A caption, label, logo or blur moves with it.
Auto captions
The editor writes captions from your audio and keeps them in sync with every cut.
Editing tools
Multi-track timeline
The timeline layers video, images, audio, text and shapes on separate tracks.
Trimming and cutting
You can trim, cut and reorder clips on the timeline.
Text and fonts
You can add text in more than 80 fonts.
Shapes and overlays
You can place shapes, logos, images and greenscreen clips over your footage.
Keyframes
You can animate position and opacity with keyframes, by hand or with the agent.
Music and sound
You can add music, sound effects, voiceovers and trending audios.
Aspect ratios
The editor exports MP4 at 9:16, 1:1 and 16:9, up to 1080×1920.
Browser-based editor
The editor runs in your web browser, so there is nothing to download.
What you can edit
You can cut a 30-minute podcast, stream, webinar or interview into Reels, Shorts and TikToks in the video editor.
A label, logo or blur follows a moving subject frame by frame in the timeline editor.
Animated captions and call-to-action text stay in sync across cuts in the video editor.
You can add trending sounds to the timeline and pair them with voiceovers from AI audio.
You can cut together clips that you made with Seedance 2.0.
You can export one edit at 9:16, 1:1 and 16:9 as an MP4.
You can polish and export the ads you made with Ad Remix.
Frequently asked questions
What is Planegraph's video editor?+
Planegraph’s video editor is a multi-track timeline that runs in your browser. You can layer video, images, audio, text and shapes, and export a finished MP4. Its editing agent watches and listens to your footage. The agent cuts a long recording down to its key moments.
How does the editing agent work?+
The agent works like Claude or ChatGPT. It makes a plan, keeps a to-do list and carries out each step on the timeline. In Chat mode, it plans the edit with you. In Edit mode, it makes the changes. The agent reads frames and listens to the audio, so it cuts on the right frame.
Can it turn a long video into short clips?+
Yes. The agent knows what happens in every frame and every line of dialogue. You can ask for the moments worth posting. The agent cuts them onto the timeline as Reels, Shorts, TikToks or ads. You can change every cut afterwards.
How long can my source video be?+
The agent works with recordings up to an hour long. Each source file can be up to 500MB. A 30-minute recording can take several minutes to index after you add it.
Which AI tools are built into the editor?+
Nano Banana 2 edits any image on the timeline from a text prompt. The editor removes the background from an image in one click. The voice changer gives any audio or video clip a new voice. The agent also sets keyframes, writes captions and trims clips.
How does object tracking work?+
You name the person, product or face to follow. The editor finds it in every frame and follows it through the shot. The tracking becomes keyframes on the timeline, so a caption, label, logo or blur moves with the subject. Tracking stops at a camera cut.
Can I edit everything by hand?+
Yes. Every cut, caption, keyframe, text layer and track the agent makes is an ordinary object on the timeline. You can drag, retime, restyle or delete any of them.
Is the online video editor free?+
Yes. The editor is free to use in your browser. Paid plans add monthly credits for AI generation, voices and effects.
Can I add captions, trending audios and greenscreens?+
Yes. The editor includes auto captions, text tracks, a library of trending audios and popular greenscreen clips.
What formats can I export?+
The editor exports MP4 at 9:16, 1:1 and 16:9, up to 1080×1920. One edit can go to TikTok, Reels, Shorts and YouTube.
Do I need editing experience?+
No. You can describe the edit. The agent builds it on the timeline. You can also edit every part by hand.