HSPingal is where Harpreet Singh builds small web apps that each do one job well. Open a link and it works, with nothing to install and no account to make.
Each one does a single job and looks the part. Pick one and get on with your day.
11 apps
Send files, text and links between devices on the same Wi-Fi. No account, and no cloud drive in the middle.
Open appCheck every key, the camera, microphone, speakers, battery and display without installing anything.
Open appTurn a link or any text into a scannable code. Pick the size and colours, then download a PNG.
Open appSee your LAN IP, public IP, provider, location and browser details at a glance.
Open appCompress, convert and resize whole batches of images, then download them one by one or as a zip.
Open appMake strong random passwords with the browser's cryptography. Set the length and characters, or generate in bulk.
Open appProduce live one-time codes from any 2FA secret, compatible with authenticator apps. Made for testing.
Open appShrink PDFs with four quality presets while text stays selectable. Ghostscript runs right in the tab.
Open appTrim, prefix, find and replace or apply a pattern across many files, preview it live, and download a zip.
Open appReveal the EXIF, GPS and camera data hidden in a photo, then download a clean copy.
Open appAdd text, cover content, draw shapes and sign, even on scanned PDFs. Nothing is uploaded.
Open appNo apps match that search.
Animated greetings you make in a few seconds. Add your name, pick a design and send the link.
No server was involved. It’s the same idea behind most of the apps here: the work happens on your own device.
The file, PDF, image and password apps do their work inside the browser tab, on your own device. Close the tab and it’s gone.
Two apps need the network to do their job: ShareChat connects your devices to each other, and Local IP Finder asks this site for your public address. Each one explains what it does.
No heavy frameworks or needless dependencies. Speed is where a tool starts, not something added later.
Work happens on your device wherever it can. Your data doesn’t need to go anywhere else.
No downloads, no extensions and no setup. The browser is the platform, and a URL is the installer.
Release notes, how-to guides and the thinking behind each app.
Every photo carries hidden EXIF, GPS, and IPTC data — camera model, exposure settings, even the exact spot it was taken. See it all in your browser, then strip it out before you share the file.
Compress and convert JPG, PNG, WebP, GIF, or BMP images entirely in your browser — one at a time or in bulk, with a zip download for the whole batch.
Drop in any files, choose a rename rule — trim, prefix, find & replace, pattern-based sequences — preview the results live, and download a zip. Entirely client-side.