Online Video Tools: Compress, Convert, Subtitle and Check

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Compress Video to 25 MB Online — Free

Squeeze a clip under the 25 MB attachment ceiling: the target field starts at 25, with frame size and FPS on separate dials. Encoding runs in-tab.

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Compress Video for WhatsApp Online — Free

Shrink a clip for WhatsApp in the browser: set a target in MB, cap the frame size and FPS, export WebM. The file never leaves the tab.

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Video to MP3: Extract Audio from Video Online

Extract the audio track from MP4, MOV, WebM or M4V video and save it as MP3 at the bitrate you choose. The video is never uploaded; your browser does the work.

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Video to GIF: Make an Animated GIF Online

Build a GIF from a video fragment: choose the start, length, frame rate and width. The file is processed in your browser and never uploaded.

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Mute Video Online — Remove the Audio Track

Re-records your clip without its audio track inside the browser and hands back a WebM file — no software install, no upload.

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Video Aspect Ratio Converter Online — 16:9 to 9:16

Change a clip to 9:16, 1:1, 4:5 or 16:9 in the browser. Crop to fill or fit with bars, then export WebM without uploading the source file anywhere.

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Extract PNG Frames From Video Online

Grabs an even set of stills across a clip and saves each one as a lossless PNG for covers, thumbnails or frame-by-frame review.

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Video Preflight Checker for TikTok, Reels, Shorts

Reports aspect ratio, resolution, duration and file size of a clip and checks them against your own MB and seconds targets.

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Video Loudness Checker Online — Peak and RMS

Decodes the audio track of MP4, MOV, WebM, MP3, WAV or M4A and reports peak level, RMS loudness, duration and the share of silence.

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Plain Text to SRT Converter Online

Turn a wall of text into numbered SRT cues with timecodes. Set characters per cue and seconds per cue, then take the file straight into your editor.

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SRT to Plain Text Online — Strip Timecodes

Paste SRT or VTT subtitles and get clean prose back — no cue numbers, no timecodes, no WEBVTT headers. Ready for a transcript, a description or translation.

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Reels Cover Preview Online — Pick the Right Frame

Scrub a video to the cover frame and see it in all three crops at once: 1:1 profile grid, 4:5 feed and 9:16 full Reels. Download a PNG checkshot to review.

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Safe Zone Checker for TikTok, Reels and Shorts

Overlay TikTok, Reels and Shorts interface zones on your vertical clip and audit ratio, resolution, duration and file size. Copy the report or save a PNG checkshot.

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Engagement Rate Calculator for Video — Free Online

Weighted engagement rate calculator for Reels, Shorts and TikTok: likes, comments, shares and saves counted against views or followers.

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UGC and Sponsorship Price Calculator Online

Get a UGC or sponsorship price range from average views, ER, deliverables, production complexity and paid usage rights.

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Collection guide

How to pick a tool here

This hub gathers every video tool on the site: preparing a file for sending, converting it, working with subtitles and running checks before you publish. All of them target short clips and work without installing an editor.

The most common job is fitting under a limit. Messengers, email and upload forms nearly always cap attachment size, most often at 25 megabytes, and WhatsApp cuts harder still. Compressing to a specific target picks the bitrate for you, so there is no guessing at settings and no rebuilding the file three times.

Then come the conversions: audio as a separate track, a short fragment as a GIF for a chat or a documentation page, removing sound entirely, changing the aspect ratio when a landscape clip has to become vertical, and pulling frames out as images.

The checks belong right before publishing. Preflight reports resolution, frame rate, codec and duration so the platform does not reject the upload. Loudness matters because YouTube and TikTok normalise audio themselves, and a track that is too loud ends up sounding worse than neighbouring videos after normalisation. The safe zone check shows whether your captions will disappear behind the interface.