Plan your YouTube video
Settle the hook, the script length and the frame size before you make anything for YouTube.
Hook Generator
Ten opening lines for a short video in different formats, from one line about the topic.
Script Timing Estimator
On-device words-to-seconds for VO and caption cuts. No upload.
Aspect Ratio Calculator
Free keep width and height in exact proportion.
Image to Prompt Generator
Describe a picture on your device and get prompts for image and video models, ready to edit and copy.
Create YouTube thumbnails, captions and chapters
Make the pieces a YouTube post needs: captions, slides, covers, voiceover and subtitles.
YouTube Thumbnail Maker
Free 1280x720 YouTube thumbs with title zones and variants. On-device, no upload.
Profile Picture Maker
Cut yourself out, pick a background and ring, export for Instagram, TikTok, YouTube, LinkedIn, X and more.
Subtitle Generator
Speech to timed subtitles on your device. Edit the lines, then download SRT or VTT.
Hook TTS
Turn a short social hook into a WAV voiceover with stock Kokoro voices running on-device.
SRT Chapters
Free YouTube chapter list from SRT or VTT cues.
Edit for YouTube and Shorts
Cut, resize and clean up what you have so it fits YouTube without a re-shoot.
Reel Shorts Resizer
Free 9:16, IG 4:5 feed portrait, 1:1 and 16:9 resize. No upload.
Auto Reframe
Landscape to vertical with a crop that follows the person on screen. On device.
Video Trimmer
On-device video trim by in/out. No upload, no watermark.
Burn Captions
Burn SRT or VTT captions, or transcribe with on-device Whisper tiny, then export karaoke-style captions.
Hook Text Overlay
Put a bold opening hook on a clip, export a PNG still, or burn the overlay into video on-device.
Social Video Compress
Free IG Reels, TikTok and Shorts bitrate compress. On-device, no upload.
Video Background Remover
Cut the person out of a short clip on your device and replace the background with a colour, blur or image.
Background Remover
Free on-device background remove to transparent PNG. No upload.
Image Resizer
Free resize to exact pixels or platform presets. Reels, Shorts, thumbnails.
Studio Sound
Use on-device RNNoise neural cleanup for stronger voiceover enhancement than light DSP denoise.
BGM Ducking
Free on-device sidechain duck: speech rides BGM gain, export mix WAV.
Audio Silence Cutter
On-device silence removal. Export a cut WAV, not just a cut list.
Check before you upload to YouTube
Catch problems before YouTube does: covered captions, long lines, quiet audio, the wrong spec.
Safe Area Preview
Free TikTok, Reels and Shorts UI overlay check.
Social Media Post Preview
Mock your post on 7 platforms, light and dark, and see the caption cut and image crop. No upload.
Video Specs Checker
Will it upload? Pass, warn or fail for 8 platforms, read on your device.
Social Media Character Counter
Live counts for 14 limits, counted each platform's way, plus hashtag and line-break helpers.
Caption Line Length Checker
Free find cues that wrap too wide on mobile screens.
Subtitle Reading-Speed Checker
Free characters-per-second check for every cue.
Loudness Meter
Free peak, RMS and LUFS-style loudness estimate.
Contrast Checker
Free WCAG AA/AAA contrast ratios from two hex colours.
Video File Size Calculator
Free bitrate-to-megabytes estimate before export.
Grow your YouTube channel
Read your numbers and tune your profile for YouTube. Estimates are ranges, never promises.
Engagement Rate Calculator
Engagement rate by followers, reach or views for five platforms, one post or many.
YouTube Monetization Calculator
YPP progress for both tiers, days to eligibility and an RPM earnings range.
CPM Calculator
Solve CPM, CPV, CPC or RPM for any one unknown, and compare buying models.
Hashtag Generator
Hashtags grouped from broad to specific for one post, with a set builder that follows each platform's limit.
YouTube guides
When you want to generate, not just edit
The tools above are free and on-device. Generating new images, video or voice with AI models happens in Versely and uses credits.
Free tools for other platforms
Your files never leave your device
Free to use, with no account, no usage limit and no watermark, because the work runs on your device rather than on our servers.
This is not a promise about how carefully we handle your upload. There is no upload. The file you choose is read into memory by your own browser, processed there, and handed back as a download — the tool has no server component and makes no network request with your data.
- Nothing is stored. We never receive the file, so there is no copy to retain, no retention period to disclose, and nothing to delete on request.
- Nothing is transmitted. No upload endpoint, no analytics payload carrying file contents, no third-party processor.
- You can verify it. Load this page, disconnect from the internet, and use the tool. It still works, because everything it needs is already on your machine.
- Nothing persists after you close the tab. Files are held in page memory only — not in local storage, not in a cache, not in a database.
A note on wording, because it matters: we do not describe these tools as “encrypted.” Encryption protects data that travels to somebody else's computer. Your file does not travel, so there is nothing to encrypt and nothing to intercept — which is a stronger guarantee than encryption, not a weaker one. The page itself is served over HTTPS like the rest of the site.
This makes the tools safe for material you are contractually barred from uploading to third-party services — client footage under NDA, unreleased campaign assets, anything covered by a confidentiality clause.
Questions about the free YouTube tools
- How do I make YouTube chapters from my subtitles?
- Drop your SRT or VTT file into the SRT chapters tool. It turns the cues into a timestamped chapter list you can edit and paste into your video description. If you have no subtitle file yet, make one with the subtitle generator first.
- Can I make a YouTube thumbnail for free without Canva?
- Yes. The YouTube thumbnail maker lays out a 1280 by 720 thumbnail with title zones and lets you export variants to compare. The contrast checker tells you whether your title colour reads on its background.
- How accurate is the YouTube money calculator?
- It gives a range, not a figure. YouTube does not publish a fixed rate per view, so the calculator works from the inputs you enter and shows the assumptions it used. Treat the result as a planning estimate, not a promise of earnings.
- Do these YouTube tools upload my photos or videos?
- No. Each tool reads your file into your browser's memory and processes it there, so nothing is sent to Versely or to YouTube. The AI tools, such as the subtitle generator, download their model once on first use and your browser caches it; your file still stays on your device. There is no account and no watermark.