Free Online Tools
Free Markdown To HTML Converter
Instantly convert Markdown text to HTML or vice versa — no installation required.
Use ToolFree Compress Image Online
Reduce image size without losing quality. Improve your site speed and SEO.
Use ToolFree Regex Tester
Test, visualize, and generate regex patterns instantly across multiple programming languages.
Use ToolFree Battery Pack Calculator
Calculate series and parallel configuration for your battery pack easily.
Use ToolFree Image Format Converter
Free Convert multiple images between PNG, JPG, WEBP, BMP, GIF, AVIF, and TIFF instantly — right in your browser. 100% private, fast, and secure. No uploads required.
Use ToolFree Ohm’s Law & Power Calculator
Calculate Voltage, Current, Resistance, Power, and Energy easily
Use ToolBattery Life Calculator
Estimate how long your battery can power your device based on capacity, voltage and watt consumption.
Use ToolWelcome to Our Free Online Tools
At Store Shoppe, we believe that empowering creators, developers, and digital professionals means giving them the right tools – without the friction. That’s why we’ve launched this dedicated Tools page: a collection of free, browser‑based utilities that you can use instantly, with no download required and no sign‑in necessary.
Why Use Our Tools?
- Zero installation – every tool works right in your browser, so you don’t need to install software or plugin.
- Instant access – start working immediately. No wait, no registration.
- Fast & secure – designed for efficient workflows, your data stays in your browser and is not uploaded anywhere.
- Versatile applications – whether you’re working on front‑end, content, media assets, or battery/bulk‑pack calculations, we’ve got you covered.
The Tools We Offer
- Markdown to HTML Converter – Quickly convert Markdown text to HTML or vice versa. Ideal for content editors, developers, and bloggers who need clean markup fast.
- Image Compression Online – Optimise image file size without losing visual quality, so your website loads faster, improves SEO performance and delivers better user‑experience.
- Regex Tester – Test and refine regular expressions in real‑time across multiple programming languages. A handy tool for coders, data engineers, and QA professionals.
- Battery Pack Calculator – Calculate series and parallel configurations for battery packs easily – useful for hobbyists, industrial designers, or anyone working with battery systems.
- More Tools Coming Soon – Our commitment to you is ongoing; we’re continuously expanding the toolbox. Stay tuned for more utilities to support your workflow.
How to Use
- Navigate to the tool you need and click “Use Tool”.
- Input your data, configure settings if needed, and get instant results.
- No sign‑up, no dashboard, no distractions – just the utility you need and the result you want.
- Want to share or save your output? Use your browser’s native save/export options or copy the result as needed.
Who Should Use These Tools?
- Web & media professionals: Content creators, web designers, SEO specialists who value clean markup, optimised media, and faster load times.
- Developers & engineers: For quick regex testing, markup conversion, and battery‑pack planning without opening heavyweight software.
- Small business owners & hobbyists: When you need lightweight tools that don’t require registration or costly subscriptions.
- Students and creatives: For learning, experimenting, and producing work efficiently.
Stay Updated
We’re always working behind the scenes to bring you more utilities. Bookmark this page, and join our email list (at the bottom of the page) to stay informed when new tools drop.
FAQ (Frequently Asked Questions)
Q: Are these tools really free to use?
A: Yes — all the tools on this page are completely free. There is no cost, no account creation, and no hidden premium tier.
Q: Do I need to install anything or give permission?
A: No installation, no plug‑ins, no extension. All tools run directly in your web browser. You don’t need to grant special permissions or sign in.
Q: Will my data be uploaded or stored on your servers?
A: No — our tools are designed to run locally in your browser where possible. We do not retain your input or output. Always exercise caution with sensitive data.
Q: Can I use these tools on any device?
A: Yes — as long as you have a modern web browser (desktop, laptop, or mobile), you can use these utilities. For best results, use a desktop or laptop when handling large files or battery‑pack calculations.
Q: Can I use the output for commercial projects?
A: Absolutely. The output from these tools is yours to use in personal or commercial projects. You do not need to credit us, although we appreciate a mention when appropriate.
Q: How often do you add new tools?
A: We’re actively expanding our toolbox. New utilities are added periodically (“Coming Soon” section). If you have suggestions, feel free to contact us.
Q: Who is behind these tools?
A: These utilities are offered by Store Shoppe, a specialist in laptop batteries and digital solutions. Our mission: to empower creators and professionals with both high‑quality hardware and smart online tools. You can explore our product catalog for more.
Q: Is there a support contact if I encounter an issue?
A: Yes — Please visit our “Contact Us” page on the site and reach out with details of the issue, the browser you’re using, the tool name, and the behavior you’re seeing.