Whether you’re tweaking short-form clips for different channels or breaking down long-form videos, Captions makes it easy to resize videos for TikTok. Upload your footage, choose your fit and framing, and download optimized content in seconds.
Whether you’re tweaking short-form clips for different channels or breaking down long-form videos, Captions makes it easy to resize videos for TikTok. Upload your footage, choose your fit and framing, and download optimized content in seconds.
Captions’ TikTok format converter helps you resize and refine your content instantly. Choose TikTok’s ideal aspect ratio and transform your video in seconds. Post clear, high-quality content and achieve a professional online presence — no experience required.
Easily convert any video for TikTok
This TikTok video converter helps creators repurpose content across platforms with ease. Instantly resize, crop, and compress videos for TikTok’s 9:16 format — no editing skills required. Upload footage from YouTube, Twitch, or any source, and apply professional-quality adjustments in seconds. Captions streamlines the process so you can maintain a polished, platform-optimized look without extra tools or costs.
Perfectly Cropped for TikTok and Beyond
Captions’ TikTok video editor makes it simple to crop and resize your videos with precision. Maintain visual clarity and keep important elements in frame — no blurry footage or awkward cuts. Just choose your aspect ratio, drag to adjust the framing, and apply changes in seconds.
Whether you’re repurposing wide-format content or editing natively for TikTok, Captions helps you achieve the ideal dimensions for each platform. Create high-quality, professional-looking videos that align with your brand and are ready to publish across all your social channels.
Save time on edits
Captions simplifies the entire content repurposing process, letting you convert videos to TikTok’s format in just a few minutes. Instead of spending hours editing each clip, you can quickly adapt long-form or widescreen content into TikTok-ready videos that meet platform standards.
With less time spent on manual edits, you can prioritize content planning, audience engagement, and creative direction. Use built-in AI tools to enhance your posts with original music, visuals, and voiceovers — so your videos stand out without slowing you down.
Import your video
Open up Captions on your device. Navigate to your “Projects” dashboard, then click “Upload a video” to import new footage into the platform.
Resize and adjust
Choose an aspect ratio for your video — 9:16 is best for TikTok. Then, choose “Fill,” “Fit,” or “Auto” to determine how the video fills the screen.
Export content and start sharing
Refine your content and add elements like music, sound effects, and captions. Once you’re happy, download the file and share it across your social media.
Resize your video
Create content that’s uniquely yours
Captions’ integration with the Udio AI Music Generator lets you craft tailor-made soundtracks from simple text prompts. Describe your ideal mood, add instruments and a genre, and generate beats that fit your vibe perfectly. No more digging through audio libraries — if you can imagine it, you can create it.
This AI helps you stand out from the crowd. Udio’s AI music brings your content to life and builds an instant connection with your audience. It’s personalized and completely royalty-free, so you can use it for any project, from ads to podcast clips. Use these custom soundtracks to craft engaging, dynamic videos that are more likely to attract likes, shares, and even TikTok Gifts.
Narrate videos with authentic voices
The TikTok Voice Generator generates striking, lifelike voiceovers. Whether you’re narrating a story or giving tutorial tips, a distinct voice helps viewers engage and connect with your content. No need for a soundproofed recording studio – Captions lets you create top-tier narration any time you want to create.
This AI can generate realistic human voices instantly. Add a script and select your favorite voice — choose from a library of styles and accents, or clone your own to maintain your channel’s unique theme and identity. Voiceovers are one of the most powerful elements of high-performing content, and with Captions, you can reap the benefits without vocal warmups or expensive microphones.
Generate viral-worthy clips
Captions’ AI Clip Maker helps you post more high-quality content with less effort. This AI analyzes your content and edits the best moments into shareable short-form videos. With a single click, you can break one long video into multiple clips ideal for TikTok, Instagram Reels, or YouTube Shorts.
Instantly generate short clips, apply captions and effects with a tap, and start posting across your social media channels. Whether you’re teasing longer projects or just appealing to short-form fans, Captions helps you craft quick clips that fit nearly any platform, maximizing your reach and enhancing your online presence.
Frequently asked questions
What is the best aspect ratio for TikTok videos?
The best aspect ratio for TikTok clips is 9:16, which translates to 1080 x 1920px. This vertical shape fills the TikTok app and most device screens and fits many other popular platforms like Instagram and YouTube Shorts. TikTok also allows 1:1 (square) and 16:9 (landscape), though they won’t look as crisp and polished. Square videos won’t fill the screen completely, and landscape clips may post sideways.
Why do I need to resize videos for TikTok?
Many creators film videos in a landscape format, which can look awkward on TikTok’s platform. When you post wide videos, the app may force them sideways or apply black borders to the bottom and top, making the content appear hazy. Resizing videos ensures they comfortably fit on users’ screens and look natural and professional. This doesn’t just enhance visual appeal, it also makes your content look like it belongs on the platform.
Can I resize a horizontal video to fit TikTok?
Yes, you can quickly resize horizontal content with a creative studio like Captions. Simply upload your video into the platform, choose the 9:16 aspect ratio, and adjust the framing until you’re satisfied. This AI makes it easy to resize endless videos without editing experience or technical know-how — just select a size and use the simple interface to pick the ideal composition. Drag the frame across the screen to customize the framing and make sure every vital element is in the shot.
Can I add captions to my TikTok video after resizing it?
Yes, you can add captions easily with Captions’ all-in-one creative studio. Crop your video to fit TikTok’s vertical format, then bring up the captions and subtitles interface. Pick a language and watch the AI analyze your video and generate accurate captions. Leave it as-is or dive in and make edits — emphasize keywords, add your brand colors, or try a different font. You can create captions in your own language to improve accessibility, or add text in a variety of languages to help build a global audience.
Do I need any editing experience to resize videos?
No, creators with every level of experience can successfully crop videos with Captions. Resize and trim videos in seconds with an approachable, intuitive interface and drag-and-drop system. Anyone can hone their videos fast and frustration-free, whether they’re a beginner or a veteran video editor looking to streamline their production. Captions helps independent creators become their own content team and edit, refine, and enhance TikTok-ready clips without technical expertise or video skills.
Does Captions’ TikTok video resizer maintain video quality?
Modify your videos for any platform without worry — Captions’ advanced tools carefully trim and resize videos, maintaining as much quality as possible. You can reduce file sizes, trim edges, and reformat content while preserving crisp audio and high-resolution visuals — just be sure to start with high-definition footage for the best results. Maintain a professional channel easily and get the most out of your content — no re-shoots required.
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