Squoosh
TinyPNG
iLoveIMG
Caesium Image Compressor
ImageOptim
Compressor.io
CloudConvert
DVDVideoSoft Image Convert and Resize
BatchCrunch
VideoCompress.dev
Batch Files
HandBrake
CompressFast.site
Clideo
CompressMP4
VEED
BatchCrunch processes folders of video, audio and image files entirely inside your browser tab. It is ffmpeg compiled to WebAssembly, running on your own CPU, so files are never uploaded to a server. That removes the two limits every online converter has: there is no upload size cap and no queue behind someone else's machine. After the first load the encoder is cached, so it keeps working with the network switched off.
Drop a whole folder and set one recipe per media type. Compress and convert video, audio and images; crop or change aspect ratio, resize, rotate, flip and add a text or image watermark to video and images; rename the output files. Every file shows an estimated output size before it runs and its real size, delta and a side-by-side preview after. Each file has its own state and its own retry, so one bad file does not stop the batch.
It is not a video editor: no timeline, no trimming, no subtitles. It does one job, in bulk.
Free for 3 files per batch, no account and no email required. A one-time $19 licence removes the batch limit and changes nothing else โ every format and every edit is already in the free tier. The key is signed and verified offline in the browser, so it does not depend on this site staying online, and there is no subscription.
Squoosh BatchCrunchWeb developers, designers, bloggers, and anyone needing to optimize images for the web, particularly those concerned about maintaining image quality while reducing file size.
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BatchCrunch's answer:
People who have a folder, not a file. In practice that is: video creators and podcast editors compressing a week of exports before upload; ecommerce and marketing people resizing, cropping and watermarking product photos to one spec; developers and technical writers shrinking screen recordings for docs, issues and pull requests; and anyone whose material cannot legally be uploaded to a third party โ agency and freelance work under NDA, medical, legal, internal recordings.
The common thread is repetition plus a reason not to upload. Someone converting one file once should use whatever is at hand; this is for the tenth file in a row.
BatchCrunch's answer:
The files never leave the tab. BatchCrunch is ffmpeg compiled to WebAssembly, running on your own CPU inside the browser, so nothing is uploaded to a server โ you can open the network panel and watch it not happen. Two things follow from that which no online converter can match: there is no upload size limit, and there is no queue, because you are not sharing anyone else's machine. It also keeps working with the network off after the first load.
The other half is that it is built for folders, not files. You drop a whole folder, set one recipe per media type โ video, audio, images โ and every file gets its own progress, its own size estimate before it runs, and its own retry if it fails, so one bad file does not stop the batch.
BatchCrunch's answer:
Compared to online converters (CloudConvert, FreeConvert, Zamzar, TinyPNG): no upload, so no size cap, no waiting in a queue, and no copy of your footage sitting on someone's storage. For anyone handling client work or anything under NDA, that is not a preference, it is the whole requirement.
Compared to desktop tools (HandBrake, XnConvert): nothing to install or update, it runs from a URL on any machine including one you do not control, and it covers video, audio and images in one pass instead of one tool per media type.
On price: one payment of $19, forever, no subscription. The free tier is the full tool โ every format and every edit โ limited to 3 files per batch. Paying only removes that limit. The licence key is signed and verified offline in your browser, so it keeps working even if this site disappears.
BatchCrunch's answer:
It started with a folder of screen recordings that were too large to attach anywhere. Every online converter either capped the upload, put the job in a queue, or wanted a monthly subscription for something I needed a few times a month. The desktop tools worked but handled one media type each, and I did not want to install anything on a work machine.
The thing that made it worth building was that ffmpeg now compiles to WebAssembly and runs multithreaded in a browser tab. That means the conversion can happen on the CPU already in front of you, and the entire category of upload limits, queues and privacy policies simply stops applying. So it is a single static page with no accounts, no server in the path for your files, and one $19 payment instead of a subscription.
BatchCrunch's answer:
BatchCrunch's answer:
The only negative thing about this web app, is that it's not clear which formats are supported in which browsers.
Based on our record, Squoosh seems to be more popular. It has been mentiond 200 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Its a fun challenge. I used https://squoosh.app to make a pretty good one. Mostly just a resize and then OxiPNG for compression. Managed a 124x62 black/white image. OP has a resolution of 195x53, so I had very similar, but slightly worse I think? Mostly a different aspect ratio + map projection I think. Playing with Squoosh.app is very fun, and you can very easily see how the jump from 500b to ~1.5kb turns a map... - Source: Hacker News / about 1 month ago
Use a free tool like Squoosh (by Google) to batch convert your existing images to WebP. - Source: dev.to / 3 months ago
Every image goes through Squoosh before it lands in any repo I own. Drag the file in, pick WebP or AVIF, drag the quality slider until the preview still looks clean, download. The size reduction is usually 60โ80% with no visible quality loss. It runs entirely locally in your browser โ nothing is uploaded anywhere. For a performance-conscious developer this matters. Best for: Pre-commit image optimisation, blog... - Source: dev.to / 4 months ago
The Squoosh image compression app from Google is a great example. It runs codecs like MozJPEG and WebP entirely in WASM, processing large image buffers with minimal boundary crossings. Near-native compression performance, right in the browser. - Source: dev.to / 5 months ago
For images, tools like TinyPNG or Squoosh can reduce file sizes dramatically, often by 60-80%, with little to no visible quality difference. For your splash screen specifically, consider using a simple vector image (SVG) or even a plain color with your logo instead of a heavy raster image. Flutter's native splash screen supports this out of the box and it's blazing fast. - Source: dev.to / 6 months ago
TinyPNG - Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
VideoCompress.dev - Free online video compressor. Shrink MP4, MOV and WebM files in your browser โ nothing is uploaded to a server. Fast, private, no watermark, no sign-up.
iLoveIMG - iLoveIMG is one of most powerful solution that comes with all the major tool you cloud want to edit images in bulk.
Batch Files - Bulk file processor
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.
HandBrake - HandBrake allows users to easily convert video files into a wide variety of different formats.