Free Online Tools

Fast, free utilities that run in your browser — no sign-up needed.

• Free QR Code Generator — Create custom QR codes for links, text, Wi-Fi and contact cards instantly. Free, no sign-up, runs in your browser.
• Free Invoice Maker — Make professional invoices in minutes and download them as PDF. Free online invoice generator, no sign-up required.
• Free Payslip Maker — Generate salary slips and payslips with earnings, deductions and net pay, then download as PDF. Free and private.
• Percentage Calculator — Calculate percentage proportions, percent changes, discounts and sales tax instantly with accurate math.
• EMI Calculator — Calculate your monthly loan EMI, total interest and amortization schedule for home, car or personal loans.
• Strong Password Generator — Generate strong, random passwords with custom length and characters. Created locally in your browser for privacy.
• Unit Converter — Convert length, weight, temperature, area, volume, speed and more instantly with this free online unit converter.
• Cycle Tracker — Track your menstrual cycle and predict upcoming periods and fertile windows. Free, private, runs in your browser.
• Color Tools — Pick colors, generate palettes and convert between HEX, RGB and HSL. Browse Pantone-style colors for your designs.
• Typing Speed Test — Test your typing speed and accuracy in words per minute. Free online typing test with instant results.
• JSON & Text Studio — Format, validate and minify JSON, and transform text: case conversion, word count, cleanup and more.
• Diff Checker — Compare two text or code snippets side-by-side with visual change highlights and unified output.
• Base64 Studio — Encode and decode strings, JSON payloads and tokens to RFC 4648 standard Base64 in your browser.
• Regex Tester — Test regular expressions in real-time with capturing groups, regex flags, and handy preset cheat sheets.
• UUID Generator — Generate cryptographically random UUID v4 and GUID identifiers in bulk with custom casing and hyphens.
• Timestamp Converter — Convert Unix epoch timestamps to UTC, ISO 8601, and local human dates with real-time ticking clock.
• Meta Tag Generator — Generate title tags, meta descriptions, Open Graph cards, and Twitter cards with live Google preview.
• Markdown Editor — Side-by-side Markdown editor with instant HTML preview and one-click code export.
• Word Counter — Count words, characters, sentences, paragraphs, estimated reading time, and keyword frequency.
• Aspect Ratio Calculator — Calculate video and screen dimensions with 16:9, 4:3, 21:9, and mobile 9:16 aspect ratio presets.
• Image Resizer — Resize image dimensions and compress JPEG, PNG, and WebP files locally with zero server uploads.
• Lorem Ipsum Maker — Generate placeholder dummy text in paragraphs, sentences, or individual words for design mockups.