Mehdi Tmimi
University Professor
PhD in IT Pianist & Composer
At the intersection of technology and music. I teach programming, research adaptive learning systems, and build free tools that run in your browser.
01Teaching
Teaching now
Free courses for the next generation of digital creators: from a first web page to AI-assisted apps and smart contracts.
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From Ideas to Apps
AI-Powered Development Course
Learn to build real applications using AI as your coding assistant. Hands-on workshops for non-programmers covering web development, automation, and mobile apps.
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Web Foundations
HTML & CSS Mastery
The bedrock of web development: semantic HTML structure, modern CSS layouts, responsive design, and accessibility best practices.
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JavaScript & Node.js
Full-Stack JavaScript Development
From DOM manipulation to server-side development: ES6+, async programming, REST APIs, Express.js, and the modern JavaScript ecosystem.
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Blockchain Technologies
History → Bitcoin → Ethereum → Fabric
A journey through distributed ledger technologies: cryptographic foundations, consensus mechanisms, smart contracts, and enterprise blockchain.
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Solidity & Web3 Hands-on
Ship real smart contracts on Sepolia
A Solidity reference plus two end-to-end labs: a trustless Donation Pool, then an Event Ticket Marketplace with a peer-to-peer resale market. No prior Solidity required.
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New · Video series
TMIMI Explains
One question. One precise answer.
Short animated explainers, each with a page that goes further.
02Research
Research & publications
Advancing adaptive learning systems and educational technology.
12 publications since 2017 25+ citations
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2024
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2021
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2021
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2020
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2019
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2019
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2019
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2019
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2019
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2018
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2017
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2017
03Tools
Free online tools
26 tools that run in your browser: nothing uploaded, no signup, no limits.
PDF Tools 15
Merge, split, compress, sign, crop, unlock, watermark, number and convert PDFs, with no watermark on the result.
Open PDF Tools- Merge PDFCombine several PDFs into one, in any order.
- Split PDFExtract page ranges, or break it into single pages.
- Compress PDFShrink a large file — losslessly, or hard for scans.
- Sign PDFDraw, type or upload a signature and place it.
- Organize PDFDrag pages into a new order, or reverse them.
- Rotate PDFTurn pages 90° and save the rotation for good.
- Crop PDFTrim the margins, by hand or automatically.
- Delete pagesRemove what you do not need, keep the rest.
- PDF to JPGRender every page as a JPG or PNG image.
- JPG to PDFTurn photos and scans into a single document.
- Watermark PDFStamp text or a logo across every page.
- Page numbersNumber the pages, skipping the cover if you like.
- PDF to textPull the text out and copy it or save a .txt.
- PDF metadataView, edit or strip title, author and keywords.
- Unlock PDFRemove a password you know, and the restrictions.
Image Tools 3
Compress, convert and resize pictures with a live before-and-after view. They need no library at all, so they keep working offline.
Open Image Tools- HTML CSS JS PlaygroundWrite HTML, CSS and JS with a live preview.
- Node.js PlaygroundRun Node.js, npm packages and Express, with a terminal.
- CSS PlaygroundFlexbox, Grid, gradient and shadow generators.
- Regex TesterLive match highlighting and capture groups.
- JWT DecoderDecode a token’s header and payload, check expiry.
- Base64 Encoder / DecoderText to Base64 and back, Unicode and URL-safe.
- URL Encoder / DecoderPercent-encode and decode, component or full URL.
- UUID GeneratorRandom version-4 UUIDs, one or many at once.
04Project spotlight
Vivace Music
Co-Founder & Technical Director
Your gateway to colorful piano mastery—sheet music, tutorials, and more.
I architected the platform’s responsive interfaces and wrote its CSS animations. I also implemented its interactive music education tools.
What it offers
- Sheet Music Library
- Video Tutorials
- Interactive Ear Training
- Global Community
Credits
- Built with
- Full-Stack Development • UX/UI Design • Interactive Tools
- Co-Founded with
- Lotfi Mir, Professional Pianist & Artistic Director
Vivace Music YouTube Channel
Watch piano tutorials, performances, and musical insights from our growing community.
Subscribe now to the Vivace Music YouTube channel (opens in a new tab)
05Contact
Let’s connect
Whether you’re interested in collaboration, research, or just want to chat about music and technology, write to me.
contact@mehditmimi.com