Every free Gizmoop tool, in one place
Browse all 50+ free online tools, organised by category. No signup, no upload, and no usage limits, ever.
Gizmoop is a single home for the kind of small, useful tools the internet used to be full of. Every tool here runs entirely in your browser, your text, images, and files never leave your device. We ship at least one new tool every week, and we never charge or ask you to sign up.
Use the search bar to find a tool by name, or click a category pill to filter the directory. The categories below have short introductions explaining what each group covers and the most popular tools inside.
📝 Text & Writing 22 tools
Free online text and writing tools for writers, students, marketers, and developers. Count words and characters, change letter case, generate placeholder text, calculate reading time, and clean up messy formatting, all in your browser with no upload required.
🖼️ Image & Photo 4 tools
Browser-based image and photo tools that never upload your files to a server. Compress JPEG, PNG and WebP to shrink file size, resize to exact pixel dimensions or social media presets, remove backgrounds with an AI model that runs locally, and convert between modern formats including AVIF.
🧮 Calculators 4 tools
Quick everyday calculators for math you do not want to set up a spreadsheet for. Find your exact age in years, months, and days, work out percentages and discounts, calculate Body Mass Index in metric or imperial, and plan loan repayments with full amortisation schedules.
🔄 Converters 17 tools
Free online unit and currency converters for what you need every day. Convert weights, lengths, temperatures, currencies, and timezones. Hub pages cover all units in one place, and dedicated pages handle the most-searched specific pairs like kg to lbs, cm to feet, and Celsius to Fahrenheit.
👨💻 Developer 6 tools
Developer utilities that save you from opening Stack Overflow for the fifth time today. Format, validate and minify JSON, encode and decode Base64, URL, and HTML entities, test regular expressions with live match preview and a cheat sheet, and pick colors across HEX, RGB, HSL, and OKLCH formats with Tailwind export and WCAG contrast checks.
⏱️ Time & Date 2 tools
Time and date tools for planning, counting down, and figuring out exactly how old something is. Calculate age in days, hours and minutes, and create shareable countdown timers for launches, birthdays, or any event with a fixed deadline.
Frequently asked questions about Gizmoop tools
Common questions before you pick a tool.
Yes, every tool listed here is completely free with no usage limits, no signup required, and no paywall. You can use them as much as you want without creating an account or providing payment details. We support the site with a small number of unobtrusive ads displayed around the content, never inside the tools.
No, every tool works the moment you open it. There is no signup wall, no email verification, no captcha, and no "log in with Google" prompt. Your work auto-saves locally in your browser, so you can pick up where you left off without ever creating a profile.
No, every tool on Gizmoop runs entirely in your browser using JavaScript. Your text, images, and files never travel over the network to our servers, nothing is uploaded, logged, or stored on our infrastructure. If you close the tab, your work is gone, that is by design for privacy.
We currently offer 50+ free online tools across six categories: text and writing, image and photo, calculators, converters, developer utilities, and time and date tools. We ship at least one new tool every week based on community requests, so the count grows steadily.
Yes, every tool is responsive and touch-friendly with tap targets sized for thumbs. The layout reflows for small screens, and the most important controls stay visible without scrolling. Many tools work offline once the page is loaded, which is useful on flights or with spotty connections.
Absolutely, send your idea to hello@gizmoop.com or use our contact form. We read every message personally and most weeks we ship at least one community-suggested tool. Bug reports also get priority over feature requests, so please flag anything broken with a screenshot if you can.