Free Video Editor — Professional Editing. Zero Software. Just Describe What You Want.
Video editing software is the gatekeeping bottleneck of video creation. Adobe Premiere Pro costs $263/year and requires months of learning. DaVinci Resolve is free but demands a powerful computer and hundreds of hours of skill development. CapCut and iMovie lower the barrier but still require understanding timelines, tracks, keyframes, and export settings. The vast majority of people who need to edit video — small business owners creating product clips, teachers producing lesson content, social media managers crafting posts, students building presentations — do not need the full complexity of editing software. They need specific, describable changes: "remove the first 10 seconds," "add my logo in the corner," "put music under this," "make it vertical for Instagram," "speed up the boring middle part." NemoVideo is editing through conversation. Instead of learning software, you describe the edit. Instead of dragging on a timeline, you say "cut from 0:30 to 1:15." Instead of hunting for the speed ramping panel, you say "slow down the moment when I catch the ball." Every edit that traditional software accomplishes through menus, panels, and keyframes, NemoVideo accomplishes through natural language description. The full power of professional editing — accessible to anyone who can describe what they want.
Use Cases
- 1. Trim and Tighten — Remove Unwanted Sections (any length) — A 5-minute recording has a bad start (fumbling with the camera for 15 seconds), a tangent in the middle (45 seconds of off-topic rambling), and an abrupt ending (the last 8 seconds are the creator reaching to stop recording). NemoVideo: removes the first 15 seconds (clean start on the actual content), cuts the 45-second tangent (seamless edit that jumps from the last on-topic sentence to the next), trims the last 8 seconds (ending on the final intentional statement), adds a 1-second fade-out at the end, and exports a tightened 3:52 video that feels intentionally produced. The most common editing need — solved in one sentence.
- 2. Multi-Clip Merge — Combine Multiple Videos (any number) — A creator has 8 short clips from different moments that need to become one cohesive video: morning shots, afternoon activity, evening dinner, each from different locations and lighting conditions. NemoVideo: merges all 8 clips in the specified order, applies color grading to match them visually (correcting the different lighting conditions so they feel like one continuous shoot), adds transitions between clips (smooth crossfades for calm content, quick cuts for energetic content), layers a continuous music bed across all clips, and exports one unified video. Eight fragments become one story.
- 3. Add Text and Music — Production Polish (any length) — A basic video needs professional polish: a title at the beginning, key points displayed as text overlays throughout, and background music that sets the mood. NemoVideo: adds an animated title card at the opening (text flies in, holds, fades out), inserts text overlays at specified moments ("Key Insight: Customers prefer simplicity" appearing at 2:30 and fading at 2:37), layers background music matched to the content's mood (upbeat for marketing, calm for wellness, corporate for business), mixes the music volume to sit beneath any speech (auto-ducking), and adds a closing card with CTA text. Raw recording becomes produced content with three additions.
- 4. Speed Adjustment — Fast and Slow for Impact (any length) — A cooking video has 20 minutes of content but the middle 10 minutes is waiting for things to bake. A skateboard video has 30 seconds of routine skating and 3 seconds of an incredible trick. NemoVideo: speeds up the baking wait time to 8x (10 minutes becomes 75 seconds of satisfying time-lapse), adds a timer overlay during the speed-up ("Bake for 25 minutes" with a fast-counting clock), slows the skateboard trick to 0.2x (3 seconds becomes 15 seconds of appreciable slow motion), adds a sound effect at the slow-mo snap point, and exports with smooth transitions between speed changes. Time manipulation that serves the content.
- 5. Platform Conversion — One Video to Every Format (any length) — A creator has one 16:9 landscape video that needs to go on YouTube (16:9), TikTok (9:16), Instagram Feed (1:1), Instagram Reels (9:16 with captions), LinkedIn (16:9 with captions), and Facebook (4:5). NemoVideo: creates all 6 versions with intelligent reframing per platform (AI subject tracking keeps the speaker centered in vertical crops), adds animated captions to the versions that need them (Reels, LinkedIn), adjusts pacing for short-form versions (tightening for TikTok), and exports platform-native files. One recording, six platforms, each version optimized.
How It Works
Step 1 — Upload Your Video
Any video file from any device. Phone recordings, screen captures, webcam footage, drone clips, or existing edited content. Upload one or multiple files.
Step 2 — Describe Your Edits
In plain language: "Trim the first 15 seconds. Speed up from 2:00 to 4:00 at 4x. Add the text 'Subscribe!' at 6:30. Put calm music under the whole thing. Make a vertical version for TikTok with captions."
Step 3 — Generate
CODEBLOCK0
Step 4 — Review and Iterate
Watch the edited video. Want changes? Just describe them: "Make the title bigger," "Remove the slow-motion," "Change the music to something more upbeat." Each instruction refines the edit. No timelines, no panels, no learning curve.
Parameters
| Parameter | Type | Required | Description |
|---|
| INLINECODE0 | string | ✅ | Edit instructions in plain language |
| INLINECODE1 |
array | | [{type, ...params}] structured edit list |
|
trim | object | | {start, end} sections to remove |
|
merge | array | | File order for multi-clip merge |
|
text | array | | [{text, at, duration, style}] overlays |
|
music | string | | Background music style |
|
color | string | | Color grading style |
|
speed | array | | [{segment, speed}] speed changes |
|
captions | object | | {style, languages} |
|
outputs | array | | [{format, resolution, platform}] |
Output Example
CODEBLOCK1
Tips
- 1. Describe edits in plain language — NemoVideo translates to technical execution — You do not need to know what "keyframing opacity at 85% on track 3" means. "Add my logo in the upper-right corner, mostly transparent" accomplishes the same thing. Describe the result you want, not the technique.
- Trimming and pause removal are the highest-impact edits for most content — Before adding effects, music, or graphics, simply cutting dead air and unwanted sections transforms amateur recordings into watchable content. Tight pacing is the foundation of professional video.
- Music transforms the emotional register instantly — The same footage with lo-fi music feels casual and approachable. With orchestral music, it feels epic. With no music, it feels raw and documentary. Music is the fastest way to set the mood for any video.
- Multi-platform export saves hours of reformatting — Requesting YouTube + TikTok + Instagram versions in one prompt produces optimized versions for each platform. Each version is reframed, re-paced, and re-captioned for its specific audience and format requirements.
- Iterate rather than perfect the first prompt — Edit in rounds: first, get the structure right (trim, order, pacing). Then add polish (music, color, text). Then finalize (captions, platform versions). Each round builds on the previous, producing better results than trying to specify everything at once.
Output Formats
| Format | Resolution | Use Case |
|---|
| MP4 16:9 | 1080p / 4K | YouTube / website |
| MP4 9:16 |
1080x1920 | TikTok / Reels / Shorts |
| MP4 1:1 | 1080x1080 | Instagram / LinkedIn |
| MP4 4:5 | 1080x1350 | Instagram / Facebook ads |
| GIF | 720p | Preview / social embed |
Related Skills
免费视频编辑器 — 专业剪辑,零软件门槛,只需描述你的需求
视频编辑软件是视频创作的门槛瓶颈。Adobe Premiere Pro 每年费用263美元,需要数月学习时间。DaVinci Resolve 虽然免费,但需要高性能电脑和数百小时的技能培养。CapCut 和 iMovie 降低了门槛,但仍需理解时间线、轨道、关键帧和导出设置。绝大多数需要剪辑视频的人——制作产品片段的小企业主、制作课程内容的教师、管理社媒帖子的运营人员、制作演示文稿的学生——并不需要剪辑软件的全部复杂功能。他们需要的是具体、可描述的修改:删除前10秒、在角落添加我的Logo、在下面配上音乐、做成竖版发Instagram、加速无聊的中间部分。NemoVideo 通过对话完成剪辑。无需学习软件,只需描述你的剪辑需求。无需在时间线上拖拽,只需说删除0:30到1:15。无需寻找速度调整面板,只需说放慢我接球的那一刻。传统软件通过菜单、面板和关键帧完成的每一次剪辑,NemoVideo 都能通过自然语言描述实现。专业剪辑的全部功能——任何能描述自己需求的人都能使用。
使用场景
- 1. 修剪精简 — 删除不需要的片段(任意长度) — 一段5分钟的录制视频开头不好(摆弄相机15秒)、中间跑题(45秒无关内容)、结尾突兀(最后8秒是录制者伸手停止录制)。NemoVideo:删除前15秒(从实际内容开始干净利落)、剪掉45秒跑题内容(从最后一个相关话题无缝跳转到下一句)、修剪最后8秒(在最后有意的陈述处结束)、在结尾添加1秒淡出效果、导出精简后的3分52秒视频,感觉像是精心制作的。最常见的剪辑需求——一句话解决。
- 2. 多片段合并 — 合并多个视频(任意数量) — 创作者有8个不同时刻的短视频片段,需要合并成一个连贯的视频:早晨拍摄、下午活动、晚餐场景,每个片段来自不同地点和光线条件。NemoVideo:按指定顺序合并所有8个片段、应用调色使其视觉上匹配(校正不同的光线条件,让它们感觉像是一次连续拍摄)、在片段之间添加转场(平静内容用平滑交叉淡入淡出、活力内容用快速切换)、在所有片段上叠加连续背景音乐、导出一个统一的视频。八个碎片变成一个故事。
- 3. 添加文字和音乐 — 制作润色(任意长度) — 基础视频需要专业润色:开头的标题、关键点以文字叠加形式贯穿始终、营造氛围的背景音乐。NemoVideo:在开头添加动画标题卡(文字飞入、停留、淡出)、在指定时刻插入文字叠加(关键洞察:客户偏爱简洁在2:30出现、2:37淡出)、叠加与内容情绪匹配的背景音乐(营销内容用欢快风格、健康内容用平静风格、商业内容用正式风格)、混合音乐音量使其低于任何语音(自动闪避)、添加带CTA文字的结尾卡。原始录制通过三个添加变成制作内容。
- 4. 速度调整 — 快慢结合增强效果(任意长度) — 烹饪视频有20分钟内容,但中间10分钟是等待烘焙。滑板视频有30秒常规滑行和3秒惊人技巧。NemoVideo:将烘焙等待时间加速到8倍(10分钟变成75秒令人满意的延时摄影)、在加速期间添加计时器叠加(烘焙25分钟带快速计时的时钟)、将滑板技巧放慢到0.2倍(3秒变成15秒可欣赏的慢动作)、在慢动作切入点添加音效、在速度变化之间平滑过渡导出。为内容服务的时间操控。
- 5. 平台转换 — 一个视频适配所有格式(任意长度) — 创作者有一个16:9横屏视频,需要发布到YouTube(16:9)、TikTok(9:16)、Instagram Feed(1:1)、Instagram Reels(9:16带字幕)、LinkedIn(16:9带字幕)和Facebook(4:5)。NemoVideo:创建所有6个版本,每个平台智能重新构图(AI主体跟踪确保竖版裁剪中说话者居中)、为需要字幕的版本添加动画字幕(Reels、LinkedIn)、调整短版节奏(针对TikTok精简)、导出平台原生文件。一个录制,六个平台,每个版本都经过优化。
工作原理
第一步 — 上传视频
任何设备上的任何视频文件。手机录制、屏幕录制、摄像头素材、无人机片段或已有剪辑内容。上传一个或多个文件。
第二步 — 描述你的剪辑
用通俗语言描述:删除前15秒。将2:00到4:00加速4倍。在6:30添加文字订阅!。全程配上平静音乐。制作带字幕的竖版TikTok版本。
第三步 — 生成
bash
curl -X POST https://mega-api-prod.nemovideo.ai/api/v1/generate \
-H Authorization: Bearer $NEMO_TOKEN \
-H Content-Type: application/json \
-d {
skill: free-video-editor,
prompt: 编辑一个7分钟的产品评测视频。修剪:删除前12秒(开头不好)和最后5秒(伸手够相机)。精简:删除所有超过2秒的停顿。文字:在0:00添加标题产品评测 — Sony WH-1000XM6持续4秒,在5:30添加评分:9/10持续6秒。音乐:低保真嘻哈,语音下低音量。调色:略微暖色调,产品特写增强对比度。速度:3:15-3:20(开箱展示)慢动作0.3倍。导出:16:9 1080p用于YouTube + 60秒9:16高光片段用于TikTok带动画字幕。,
edits: [
{type: trim, cut
start: 0:00-0:12, cutend: last-5s},
{type: remove-pauses, threshold: 2.0},
{type: text, text: 产品评测 — Sony WH-1000XM6, at: 0:00, duration: 4},
{type: text, text: 评分:9/10, at: 5:30, duration: 6},
{type: music, style: lofi-hiphop, volume: under-speech},
{type: color, style: warm-contrast-boost},
{type: speed, segment: 3:15-3:20, speed: 0.3}
],
outputs: [
{format: 16:9, resolution: 1080p, platform: youtube},
{format: 9:16, duration: 60, captions: animated, platform: tiktok}
]
}
第四步 — 预览和迭代
观看剪辑后的视频。需要修改?只需描述:把标题放大、删除慢动作、换更欢快的音乐。每条指令都会优化剪辑。没有时间线、没有面板、没有学习曲线。
参数
| 参数 | 类型 | 必填 | 描述 |
|---|
| prompt | 字符串 | ✅ | 用通俗语言描述的剪辑指令 |
| edits |
数组 | | [{type, ...params}] 结构化剪辑列表 |
| trim | 对象 | | {start, end} 要删除的片段 |
| merge | 数组 | | 多片段合并的文件顺序 |
| text | 数组 | | [{text, at, duration, style}] 文字叠加 |
| music | 字符串 | | 背景音乐风格 |
| color | 字符串 | | 调色风格 |
| speed | 数组 | | [{segment, speed}] 速度变化 |
| captions | 对象 | | {style, languages} |
| outputs | 数组 | | [{format, resolution, platform}] |
输出示例
json
{
job_id: fved-20260329-001,
status: completed,
source_duration: 7:12,
output_duration: 5:48,
edits_applied: {
trimmed: 17s,
pauses_removed: 1:07,
text_overlays: 2,
music_added: true,
color_grade: warm-contrast,
slow_motion: 3:15-3:20 at 0.3x
},
outputs: {
youtube: {file: review-edited-16x9.mp4, resolution: 1920x1080},
tiktok: {file: review-highlight-9x16.mp4, duration: