Enter the file size wey you want
Use am for email attachments, Discord, upload forms and websites wey limit file size.
Tools for video
Tools for video
Trim, convert, resize and check video
Free · E dey work for your device
Compress video to the file size wey you want
Enter 10 MB, 25 MB or the size wey you want. The tool go calculate video bitrate and create MP4 wey most players fit open.
Your file no go leave this device
Compression don finish
Calculate bitrate by itself
The tool use video duration and audio bitrate to calculate video bitrate; you no need to set plenty complex options.
MP4 wey this device create
Processing dey happen for your browser; your private video no dey upload to another service.
Tools for content creators
Change short-video aspect ratio with one click
Turn landscape video to 9:16 for TikTok, Reels and Shorts. You fit also export 1:1, 4:5 or 16:9.
Original video no dey upload
Aspect ratio don change
Portrait short video
Use am for YouTube Shorts, TikTok and Instagram Reels.
Adverts for social media feed
Make the video occupy more space for phone feed while the main picture still dey visible.
Publish landscape video
Use am for YouTube, videos inside websites, presentations and TV.
Check video quality · Scan am for your device
Check video before you publish
Before you publish, check black or white frames, frozen shots, long silence, sound clipping, shot timing and black borders. The report show when each possible problem happen.
Original video no dey upload
—Overall score
Report before publishing
Publish Risk Overview
The score help you find possible problems fast; still watch the video and confirm them yourself.
Find possible problems faster
Check brightness, differences between frames and audio level over time to find possible problems.
Jump to each possible problem
Choose a problem for the report to watch that time inside the original video.
Export am for your work
Export JSON report wey you fit review, keep or analyse later.
Picture fingerprint · No need to upload
Find parts wey repeat across two videos
Compare picture fingerprints to find matching stretches in two videos, even after compression, resolution change or small crop. The tool show the matching time ranges for both videos.
Compare the content for this device
%
sec
sec
Fingerprint of the content
Matching stretches
Fingerprint of how the frame look
Compare how each frame look; the tool fit find matching content even after encoding or resolution change.
Fingerprints for full frame and centre
Check full frame and centre together, so small crops, border changes or watermark changes no go disturb comparison as much.
Find the matching time range
See the start, end and time difference for each matching stretch in videos A and B.
Sidechain compression wey follow the voice
Music go come down by itself when person dey talk
Choose video wey get voice and a music file. Music go come down when speech dey happen and come back up during pauses; you no need to draw volume keyframes.
FFmpeg mixing for your device
dB
ms
ms
Fast mode keep the original picture quality. If the video codec no fit enter MP4, choose compatibility mode.
Voiceover mixing don finish
Sidechain compression
Use the voice track to control music level; music go come down when voice dey present.
Music go repeat by itself
If music shorter than video, the tool go repeat am till video end; you no need to edit am first.
You no need to set each volume keyframe
Use am for basic mixing of interviews, voiceovers, lessons and short-video narration.
LOCAL · FREE
Frame sheet for video storyboard
Take frames at equal time intervals, create a sheet wey show their times and jump back to any frame.
Video stay for this device
Drop video here
or choose file wey your browser fit play (up to 128 MiB)
Frame sheet
Jump to a frame sample
Privacy dey part of how the tool work
You no need to send your files to another person first.
ToolRobin uses WebAssembly in the browser to run the video engine. The original video, subtitles and processed results only exist on the current device by default.
Video processing no dey go through ToolRobin server.
When you close the page, the browser release temporary files.
Processing for your device reduce server costs and help keep tools free.
FAQ
Questions wey people dey ask often
The first time you process video, browser download the engine and fit keep am in cache for next time.
First use need about 31 MB FFmpeg WebAssembly engine download. Browser fit cache am after download so later use go start faster.
Your files and text dey process inside your browser; we no upload wetin you enter.
The tool calculate average bitrate from duration. Picture complexity and file packaging fit change the result small. For a strict limit, set target 5% to 8% below the website limit.
Browser processing use your device memory and CPU. Use computer for longer videos and shorter clips for phone. FFmpeg for browser usually slower than desktop software.
Free video tools wey run for browser
ToolRobin Video Tools helps creators review and prepare footage directly in the browser. Build a timestamped contact sheet from evenly sampled frames, reframe clips for social formats, compare footage and run preflight checks without installing a desktop editor.
See an overview of a long clip
Choose 12 to 48 frames with equal spacing, check the frame sheet and jump to a frame time in the original video. Short shots between samples fit no show.
Workflow wey put privacy first
Frame sheet dey generate for your device. Video no dey upload; your browser must fit decode the file.