Web development in Tamil
26 free videos and 5 browser tools
Learn, build, test, repeat.
Web development and Python courses in Tamil and English, plus small developer tools that respect your privacy.
Tools that stay in your browser
No uploads, no accounts, no limits. Built for the small jobs that interrupt your day.
JSON to ExcelJSON files of any size to a tidy .xlsx, with stats and charts.Text caseChange case, Unicode fonts, flip, Morse, binary, word count, OCR.Password generatorStrong passwords, passphrases, random hex, base64, UUIDs and PINs.SVG exportPaste SVG markup, preview, format and save a clean .svg.SlugifyTitles to clean URL slugs, one per line.
Start with these
One video from each of the most popular series. The full list is on the courses page.
Tips for improving your daily workflow
Scheduling your tasks with ease: a crontab tutorial
Python for beginners: uncovering the essentials (Tamil)
Is your Python function making this common mistake with lists?
Why sdev
Tamil and English
Concepts explained in the language you think in, without dumbing anything down.
Private by design
Every tool runs in your browser. Nothing you paste or upload leaves your device.
Free, no sign-up
No accounts, no paywalls. Open a page and start learning or converting.
Frequently asked questions
Are the sdev courses free?
Yes. Every course is a free YouTube video. There is no sign-up, paywall or hidden premium tier.
Which languages are the courses in?
Most web development and Python fundamentals are taught in Tamil. The pdfmake and Flask series are in English. Each section on the courses page is labelled with its language.
Are the developer tools private?
Yes. Every tool, from JSON to Excel to the text case converter, runs entirely in your browser. Your files and text are never uploaded to a server.
Who runs sdev?
Sivaraj S, a software developer who builds web and mobile apps and teaches what he learns along the way.