Free Online Tools for Text, SEO & Calculators
26+ fast, private browser-based tools for text, calculators, developers, and converters. No account required - every tool runs client-side in your browser.
Featured Free Online Tools
Start with our most-used utilities — sentence counter, random letter generator, discount calculator, CPM calculator, UUID generator, and JSON minifier.
Sentence Counter
Free online sentence counter with live word count, character count, paragraph count, and reading time for essays, blogs, and social posts.
Random Letter Generator
Instantly generate random letters A-Z - one at a time or in bulk. Choose uppercase, lowercase, or mixed case. Free, no login, results in one click.
Discount Calculator
Calculate sale price, savings, and final price from original price and discount percent. Works for retail, percent-off, and sale pricing.
CPM Calculator
Calculate CPM, total ad cost, impressions, and publisher revenue for display and video advertising campaigns.
UUID Generator
Generate UUID v4 and GUID identifiers in your browser. Create one or many random UUIDs for databases, APIs, and testing.
JSON Minifier & Formatter
Free online JSON minifier and formatter. Minify JSON to shrink payloads or beautify (pretty-print) JSON with 2-space indentation. Validates as you go - no upload required.
More Popular Tools
Word counter, character counter, percentage calculator, and other frequently used tools.
Word Counter
Free online word counter with live word count, character count, sentence count, paragraph count, and reading time - perfect for essays, SEO articles, and assignments.
Character Counter
Free online character counter with live counts for characters with and without spaces, plus words and lines. Perfect for Twitter/X, Instagram, SMS, and SEO meta description limits.
Password Generator
Generate strong, random passwords in your browser. Choose length (8-64) and mix uppercase, lowercase, numbers, and symbols. Built on secure crypto randomness - nothing is uploaded or stored.
Lorem Ipsum Generator
Generate classic Lorem Ipsum placeholder text instantly. Choose paragraphs, sentences, or words, optionally start with "Lorem ipsum...", and copy dummy text for mockups and layouts.
Small Text Generator
Generate small caps, subscript, and superscript Unicode text from normal letters. One input, three copy-ready small text styles for Discord, Instagram, and bios.
Percentage Calculator
Free online percentage calculator: find the percentage of a number, calculate percent change (increase or decrease), and work out what percent X is of Y - with the formula and instant results.
HTML Minifier
Free online HTML minifier. Compress and minify HTML by removing comments and collapsing whitespace - smaller files, faster page loads. Runs in your browser, no upload required.
CSS Minifier
Free online CSS minifier. Compress and minify CSS by removing comments and collapsing whitespace - smaller stylesheets, faster page loads. Runs in your browser, no upload required.
JavaScript Minifier
Free online JavaScript minifier. Compress and minify JS by removing comments and collapsing whitespace - smaller files, faster page loads. Runs in your browser, no upload required.
Text to Binary Converter
Convert text to binary code and binary back to text instantly. Free online text-to-binary translator using 8-bit ASCII/UTF-8 - encode words and sentences or decode 0s and 1s in your browser.
URL Encoder / Decoder
Encode text and URLs to percent-encoding or decode encoded URLs back to plain text. Switch between encodeURIComponent and encodeURI, right in your browser.
Meta Description Checker & SERP Preview
Check any meta description with a live character counter and Google SERP snippet preview - or generate a draft from your content. Fits the 150-160 limit.
Categories
Text Tools
Count, clean, and transform text with fast browser-based utilities.
6 tools →
Generator Tools
Generate random letters, tiny text, and other creative strings instantly.
5 tools →
Calculator Tools
Calculate discounts, CPM, percentages, and more for business and ads.
3 tools →
Developer Tools
UUID, Base64, binary conversion, and other dev utilities in your browser.
9 tools →
Converter Tools
Convert pixels, centimeters, inches, and other units quickly.
2 tools →
SEO Tools
Meta tags, keyword helpers, and SEO utilities - more tools coming soon.
1 tools →
AI Tools
AI-powered content and SEO generators - architecture ready for expansion.
Coming soon →
All tools by category
Full directory of 26 free tools — pick a category or read step-by-step guides on the blog.