All free online tools on Smartweb.tools

Browse free, browser-based tools for images, PDFs, SEO, writing, calculators, developers and business tasks. Every tool includes instructions, examples and FAQs, works on mobile and requires no sign-up.

Image Compressor — Compress JPG, PNG and WebP images online while keeping quality balanced for websites, blogs and apps.
Image Resizer — Resize images by width and height in your browser for websites, profiles, thumbnails and upload forms.
Age Calculator — Calculate age in years, months, days and total days from any date of birth.
Word Counter — Count words, characters, sentences, paragraphs and estimated reading time for any text.
Character Counter — Count characters with and without spaces for meta descriptions, titles, captions and messages.
Loan EMI Calculator — Calculate monthly EMI, total payment and total interest for loan planning.
QR Code Generator — Generate QR codes for URLs, contact details, WiFi, text and business campaigns.
PNG to JPG Converter — Convert PNG images to JPG format quickly in your browser.
JPG to PNG Converter — Convert JPG images to PNG format for editing and transparent workflows.
JPG to PDF — Convert image files into a downloadable PDF document.
URL Slug Generator — Generate clean SEO-friendly slugs for blog posts, tools and landing pages.
Text Case Converter — Convert text into title case, uppercase and lowercase formats.
JSON Formatter — Format and validate JSON data for developers and technical SEO work.
Base64 Encoder Decoder — Encode text or data to Base64 format and decode Base64 strings back to plain text instantly in your browser.
URL Encoder Decoder — Encode special characters in URLs using percent-encoding and decode percent-encoded URLs back to readable text.
Password Generator — Generate strong, random passwords with custom length and character sets including uppercase, lowercase, numbers and symbols.
Percentage Calculator — Calculate percentages instantly — find X% of Y, what percentage X is of Y, percentage change, increase and decrease.
Color Converter — Convert colors between HEX, RGB and HSL formats instantly with a live color preview and one-click copy for each format.
Random Number Generator — Generate one or multiple random numbers within any range, with an option to exclude duplicates for fair draws and simulations.
Duplicate Line Remover — Remove duplicate lines from any list or text instantly — keep only unique entries with options for case sensitivity and whitespace trimming.
Unix Timestamp Converter — Convert Unix timestamps to human-readable dates and times, and convert any date back to a Unix timestamp in seconds or milliseconds.
CSS Minifier — Minify CSS code by removing comments and unnecessary whitespace to reduce file size and improve website loading speed.
HTML Minifier — Minify HTML code by removing comments and collapsing whitespace to reduce page size and improve website performance.
Binary Decimal Hex Converter — Convert numbers between decimal, binary, hexadecimal and octal number systems instantly with one-click copy for each format.