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Deliberate Practice and Proposed Limits on the Effects of Practice (2019)

https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2019.02396/full
1•Tomte•6m ago•0 comments

Guide to Tracing in Erlang (2021)

http://stratus3d.com/blog/2021/08/24/guide-to-tracing-in-erlang/
1•Tomte•6m ago•0 comments

The answer to the million dollar question is 2031

https://solresol.substack.com/p/the-answer-to-the-million-dollar
1•solresol•6m ago•0 comments

Raspberry Pi Modems

https://niiccoo2.xyz/raspberry-pi-modems/
1•geerlingguy•15m ago•0 comments

Ads in AI Chatbots

https://www.thrads.ai/
1•jonanz•15m ago•0 comments

My Vibe Coding Project Gone Wrong Ep.01

https://haebom.dev/archive?post=4w67rj24qnd3gm5yq8ep&tl=en
1•haebom•15m ago•0 comments

SDR-RDMA: Software-Defined Reliability Architecture for Planetary Scale RDMA

https://arxiv.org/abs/2505.05366
1•tanelpoder•19m ago•0 comments

Like Lovable but can make apps with gen-AI powered back ends

https://getcreatr.com/
3•JonanJ•20m ago•0 comments

Do chatbots have free speech? Judge rejects claim in suit over teen's death

https://www.washingtonpost.com/nation/2025/05/22/sewell-setzer-suicide-ai-character-court-lawsuit/
2•jonny_eh•21m ago•0 comments

Twitter down as users of Elon Musk's X app report major issues

https://www.mirror.co.uk/news/uk-news/breaking-twitter-down-users-elon-35273712
1•andrewfromx•22m ago•1 comments

The Linux Memory Manager

https://linuxmemory.org/
1•teleforce•23m ago•0 comments

Gaming Out a Sudden Stop

https://paulkrugman.substack.com/p/gaming-out-a-sudden-stop
2•imichael•27m ago•1 comments

Spack: Flexible package manager supporting multi versions, configs and compilers

https://spack.io/
1•teleforce•29m ago•0 comments

Bajaj to Acquire KTM

https://www.motorcycle.com/bikes/news/bajaj-to-acquire-ktm-44622745
2•lwo32k•31m ago•0 comments

The Israel Embassy Shooter Manifesto

https://www.kenklippenstein.com/p/the-israel-embassy-shooter-manifesto
2•mhga•33m ago•1 comments

Five – A minimalist, to-do list and calendar

https://apps.apple.com/us/app/five-todo-list-calendar/id6740851007
1•gokbek•37m ago•0 comments

Unexplained electronics found in imported equipment for Denmark's supply network

https://www.reuters.com/sustainability/boards-policy-regulation/unexplained-components-found-denmarks-energy-equipment-imports-industry-group-2025-05-21/
3•namanyayg•39m ago•0 comments

Philosopher Alasdair MacIntyre has died

https://en.wikipedia.org/wiki/Alasdair_MacIntyre
2•keiferski•42m ago•1 comments

Show HN: Cardog – AI car companion for transparent ownership

https://cardog.app/waitlist
2•samsullivan•47m ago•0 comments

Show HN: KelpsGet – Modern download manager built in Rust

https://github.com/davimf721/KelpsGet
1•Ghoulmf7221•47m ago•0 comments

Some US banks explore venturing into crypto with joint stablecoin, WSJ reports

https://www.reuters.com/business/finance/some-us-banks-explore-venturing-into-crypto-with-joint-stablecoin-wsj-reports-2025-05-23/
6•cempaka•57m ago•1 comments

CRDTs #2: Turtles All the Way Down

https://jhellerstein.github.io/blog/crdt-turtles/
8•pfarago•1h ago•0 comments

Silly job interview questions in Haskell

https://chrispenner.ca/posts/interview
9•behnamoh•1h ago•0 comments

STS-61

https://en.wikipedia.org/wiki/STS-61
1•sarego•1h ago•0 comments

Show HN: I made a zero-setup back end API to launch apps without coding back end

https://github.com/broadwayinc/skapi-js
1•skapi_api•1h ago•0 comments

Mistral Document AI

https://mistral.ai/solutions/document-ai
3•ianhawes•1h ago•0 comments

Banana Pi BPI-Forge1 Is a Low-Cost RK3506J-Based SBC Compatible with RT-Thread

https://linuxgizmos.com/banana-pi-bpi-forge1-is-a-low-cost-rk3506j-based-sbc-compatible-with-rt-thread/
3•PixelN0va•1h ago•0 comments

Our Problem with Backlogs

https://www.octomind.dev/blog/our-problem-with-backlogs
2•thunderbong•1h ago•0 comments

Tariff Exemptions Are Terrible News for Electronics Repairability

https://www.ifixit.com/News/110121/tariff-exemptions-are-terrible-news-for-electronics-repairability
5•gnabgib•1h ago•0 comments

Ask HN: How do you feel about using AI tools on your phone? Privacy vs. Utility

1•fallinditch•1h ago•1 comments
Open in hackernews

Show HN: ClipJS – Edit your videos from a PC or phone

https://clipjs.vercel.app/
137•mohyware•1d ago

Comments

jony1266•1d ago
looks cool, love how there's no sign in required.

some feedback so far:

- allow me to drag + drop video clips to add them to the media section

- allow me to trim the beginning of a clip - right now i can only trim the end of a video clip

- allow me to drag the playhead (right now i can only click to move the playhead somewhere)

- make most of the text on the page be select-none - there were many times when i tried to drag something and it selected a bunch of text on the page

mohyware•1d ago
Glad you liked it! I’ll add these to the to-do list
jacktheturtle•1d ago
no sign in IS SO NICE
purplecats•1d ago
limited time offer (almost certainly only until they get some users) but for the purposes of demonstration in HN i love it
mohyware•18h ago
Thanks! I am planning to leave like this even if it gets a lot of users.
xnx•1d ago
https://omniclip.app/ is another online video editor option that runs entirely in the browser (i.e. no video sent to an unknown server). Also open source.
mohyware•1d ago
looks cool
dobladov•1d ago
Another one https://pikimov.com/app/
mohyware•1d ago
Wow this is really great! I can't believe this is a one person project I can definitely get inspiration from it.
talkingtab•1d ago
I get a message from pikimov.com about Firefox not supported.
ale42•12h ago
Me too, but I'd rather see a message saying _which_ features are missing from Firefox than such a generic one.
HenryBemis•1d ago
I couldn't find your Privacy policy. What do you do with the videos uploaded? How do you store them, process them, 3rd parties? How do you monetize this? How is your approach/compliance to GDPR?
mohyware•1d ago
No files are uploaded everything is stored locally in the browser using IndexedDB and processed with FFmpeg (WebAssembly port) in the browser.
jacktheturtle•1d ago
FFmpeg continues to run the world lol
dylan604•1d ago
there is nothing more useful
feznyng•1d ago
Assuming this is hosted on Vercel (which the URL indicates) and everything's done/stored locally (as stated) I don't think there's passive cost associated with providing this service (besides dev time).
mohyware•1d ago
Yep you are right. The only reason was time since I don't have much experience with deployments.
jasonthorsness•1d ago
This is remarkably good for a month-old project. I wish all apps could remain this snappy!

I don't like the auto-scrolling of the timeline when the red bar reaches the halfway point it's too jumpy.

Consider hosting some sample clips for people to play with.

mohyware•1d ago
Thanks! u can disable it with the Track Marker button or the (T) shortcut. I'll also consider this.
higgins•1d ago
incredible. the get started "+" icon and the github icon vectors were AI generated?
mohyware•1d ago
Nah, I just found it on some random Tailwind components site.
higgins•1d ago
that's strange, the icons are pretty warped on chrome: https://postimg.cc/KRK9dN7c
eth0up•1d ago
I could have used this several weeks ago when all attempts to edit video (OpenShot & everything else I had installed) in Void Linux were temporarily thwarted until I realized an update had introduced incompatibilities with the GPU OpenGL/mesa driver slopstack.

I was able to wrest back some of my software by starting with

LIBGL_ALWAYS_SOFTWARE=1

This forces CPU rendering through bypassing the intel GPU shitstack.

Or that's at least what I think happened. Took a loooong time to figure out.

Edit: I should include that part of the issue might be hamfisted aspects of the updates that penalize variable frame rates, which phone cameras use, and also comprises 100% of my videos. Still not sure though.

zoogeny•1d ago
I got about 30% through making something very similar then moved on to another project. This is very nicely done.

It is worth noting that I did a lot of research in this space when I was working on my own video editor and there are a lot of these now (I have about 30 in a spreadsheet). Ever since there was a ffmpeg WASM port many people have made these web based editors. It is so cool we live in a time where that kind of powerful technology is freely usable by others to build these tools.

My angle was to add gen ai video as a first class feature. That might be something you want to investigate now that video gen apis are becoming more common.

leptons•1d ago
>That might be something you want to investigate now that video gen apis are becoming more common.

No, it doesn't need that. It just needs to be a good web-based video editor.

aio2•1d ago
Wrong, depending on his priorities.

If he just wants a good website to do the job, sure, genai is uselesse

But if he wants to market it, in this day and age, it's practically a need.

leptons•1d ago
>But if he wants to market it, in this day and age, it's practically a need.

No, it isn't. AI content creation is a fundamentally different thing that a video editor. Maybe you can't tell the difference, but I can. AI isn't going to edit the video how I want, it isn't going to create the video I want from a prompt when I've already got the video clips I want to edit. I don't need to edit clips of people with 7 fingers, I need to edit my family vacation video, or whatever it is I need a video editor for. There's nothing about AI that would improve this as a video editor, at all.

If I could import this project into my existing React-based web app, I will use it to edit clips of content for my specific application, and for that it is useful. AI would just bloat it and be annoying where it isn't needed.

fragmede•21h ago
> want, it isn't going to create the video I want from a prompt when I've already got the video clips I want to edit.

You act as if there aren't a bunch of non-AI video editing apps that try to do exactly that, nevermind AI apps that try and do that.

> I don't need to edit clips of people with 7 fingers

There's more to AI than image generation (and 7 fingers isn't the same problem it was 6 months ago). Specifically, picking out the important part of the clip, adding appropriate captions and music from the AI processing the video.

> I need to edit my family vacation video

Yes. What do you think an AI enhanced video editor would do? Be Photoshop? Editing the family video from hours down to a digestible video for sharing is a time intensive process, and while I'm sure you enjoy it, not everyone does. A "Make vacation video" button for those people for whom that's a chore and not fun, and don't remotely care to be semi-professional video editors is the target market for a program with a feature to find decent photos and snippets of video from a giant pile of stuff, and arrange them into something cromulent.

As far as state of the art for generated content, a cousin of mine used AI to take a still image of the extended family at dinner with their hands under the table, and turn it into a convincing video where everyone raises their hands and waves (with the correct number of fingers, in case that needed to be stated.)

Anyway, to answer your question, the react library backing this for building your own to drop in is called Remotion. If you'd rather a different video editor, https://omniclip.app/ was mentioned as being an open source no-upload video editor.

leptons•11h ago
This post is about a JAVASCRIPT in-browser video editor. Not AI. But somehow AI fanbois insist on inserting their favorite hacky tech into every conversation, like they own stock in it.

No, I do not want AI automagically editing my home videos for me. It does not know the moments that are important to me as well as I do. To suggest that AI will somehow do a wonderful job at that is ignoring how bad current AI really is. It's become a running joke.

I'm glad someone else downvoted your comment because I can't.

SkilTrick•1d ago
Nice project !
mohyware•19h ago
Thanks!
SkilTrick•1d ago
Nice Project !
steren•1d ago
Curious: why not set up a custom domain?
edoceo•1d ago
Don't domain cost money? Then you have to keep it around for years.
andsoitis•1d ago
Like $10 - $20 per annum.
mvdtnz•1d ago
So, money.
mohyware•18h ago
money ;(
s09dfhks•1d ago
uploaded a clip, pressed play on the timeline, but the preview wouldnt play
mohyware•19h ago
What is the clip type?
popalchemist•1d ago
Is it usable as a react or vue component?
mohyware•19h ago
react
asadm•1d ago
It would be good to add a default project to just test it out without uploading our own content.
mohyware•19h ago
good idea I will add it to my to-dos.
koakuma-chan•1d ago
It looks like I can only edit the first 30 seconds of my video, which is 23 minutes long? https://i.imgur.com/L39MS2r.png
mohyware•19h ago
this is the initial. u can extend it by resizing the right side, but I will change this in the next update
koakuma-chan•15h ago
I think there is some kind of bug with the duration display, because on my screenshot it shows 0:52, even though I was actually at around 0:28. I encourage you to submit another Show HN in half a year though. I've been on a lookout for a free web-based video editor recently, and haven't really found anything to my liking. I even had thoughts of making my own but never actually got to it.
mohyware•13h ago
Its position in the timeline is shifted 23 sec as i see so the duration is fine. but If u mean the source end time yes, its not causing any trouble for now, but I will work on making it accurate.
dested•1d ago
Incredible use of remotion.
mohyware•19h ago
Thanks!
aaurelions•1d ago
Rendering...

Aborted() The progress bar is experimental in FFmpeg WASM, so it might appear slow or unresponsive even though the actual processing is not.

mohyware•19h ago
What file types were used?
indigodaddy•1d ago
Haven't even looked at this, but does this or similar webapps (saw some others posted in comments) make it easy to redact passwords or any other sensitive information in videos? I've explored some desktop tools (very cursorily tbf), and it always seems dreadfully complicated so I've never really even attempted beyond a half-assed effort. I really think there should be some tool that makes this point and click so that even a lazy half-asser can do it easily.
fragmede•21h ago
What sort of videos? For Twitch streaming, the way to do is not have passwords on screen by having OBS only show a portion of the screen, with an extra terminal/whatever outside of the shared section (find a more in depth guide for details on how this works in detail/practice)

Redacting an area of the screen is easy with a bit of practice, even though the location of the password on screen may move, you just have to trace a path for the black box to move along. However, thattakes a bit of time unlike a hypothetical hide password with AI button.

90s_dev•1d ago
Wow. I didn't know we could make video editors online now. Amazing job. I tried to do this so many times over the past 10 years, and it's a lot harder than it looks. But the "power" apps in this area are disproportionately too hard to use, and capcut and tiktok are easier but have their own major problems. Looking forward to using this! Also to reading the source!
mohyware•19h ago
Thank u sm! really appreciate it man.
mncharity•1d ago
Perhaps add a screenshot to the landing page? The current "Ok, what does it look like?" path seems discouragingly long (landing page, Get Started, Add Project, name project, click on project).
mohyware•19h ago
oh good point! i can include a screenshot or a gif on the landing page to show it off
dylanjha•1d ago
Ever consider shipping this as an SDK that other apps can embed? This is something I’ve heard many people ask for.
mohyware•13h ago
i can work on it when i migrate from remotion library to pure canvas
shkm•20h ago
Love this, curious to see where it'll go. Would be amazing if we could move text around with the mouse.
mohyware•13h ago
Thanks! yeah positioning all elements not only text is on my todos list
Jayakumark•14h ago
Would be good to see an option to upload lottie as remotion supports it.
mohyware•12h ago
Good idea! If I find a way to include it in the FFmpeg render pipeline, I will add support for it.
bicepjai•1h ago
I have lot of large gopro videos (have a 4 year old with all 4 years of gopro videos), that I painstakingly have to edit when my 256 GB card fills up (currently I have 500GB of vodes sitting) . No matter how careful you are while recording it has some parts that needs to be trimmed out for saving space and also play time. As of now I use quickplayer loading single videos for each and every one and have to save them carefully. I have not found any app or tool that can efficiently just show me the files on a sidebar that I can select and edit using simple edit options like trim to remove unwanted parts in 3 to 10GB files. anyone know any tools that work. The tools suggested here did not even load these files :( 1. clipjs.vercel.app 2. https://pikimov.com/app/ 3. https://omniclip.app/

I will happily pay for this tool. AI to show me the part where there are no humans, I will pay more :) by ofcourse all locally and no cloud shenanigans. Of course people saying why record so much, why do we do anything ? :) try to be optimistic nihilist

simonmysun•21m ago
Please don't only start to edit the videos when you fill up the 256GB card. You would regret when you have to recover lost files from it. I've seen too many people lose irreplaceable memories due to card corruption or accidental deletion and it is even painful for me to scan and recover their >256GB cards.

Move them out as early as you can and do regular backups. Videos of your child are much more precious than a whole backup solution.