Online Tools
A collection of free online tools for developers and creators.
Popular Tools
Background Remover
Remove backgrounds from images directly in your browser. No server upload, completely private.
Use Tool →Image Resizer / Compressor / Converter
Resize, compress, and convert images online. Pixel, percentage, and fit-within modes. Social media presets, batch processing, and format conversion. 100% browser-based.
Use Tool →Loan Calculator
Calculate monthly payments, total interest, and view a full amortization schedule for any loan.
Use Tool →Regex Tester / Editor
Test, visualize, replace, and explain regular expressions in your browser. Match highlighting, capture groups, replacement preview, pattern explainer, and cheat sheet. No data sent to server.
Use Tool →Password Generator
Generate secure passwords with custom patterns, character sets, and exclusion rules. All processing happens in your browser.
Use Tool →QR Code Generator
Generate QR codes quickly and easily from any text or URL.
Use Tool →Retirement Calculator
Plan your retirement with confidence. Calculate how much you need to save, see your pension gap, and visualize your path to a secure retirement.
Use Tool →Base64 Encoder / Decoder
Encode, decode, and validate Base64 in your browser. Supports text, files, images, Data URLs, and URL-safe Base64. No data sent to server.
Use Tool →View All Tools
Browse all tools organized by category.
View All →Browse by Category
Recently Added
Similar but Different US State Finder
Pick a US state and discover others that are similar in one stat yet different in another — population, income, home values, and 17 indicators. Includes DC and Puerto Rico.
Use Tool →Similar but Different Country Finder
Pick a country and discover others that are similar in one stat yet different in another — population, area, GDP, health, and 25+ indicators. Results are dealt as explorable cards.
Use Tool →PDF Toolkit
Merge, split, and rotate PDF files in your browser. No account, no watermarks, files are processed in memory and discarded after the response.
Use Tool →Merge PDF
Combine multiple PDF files into one. Drag to reorder, up to 20 files per merge, no watermarks.
Use Tool →