Fast, free browser-based tools for developers, SEO professionals, freelancers, businesses, writers, and creators. Format code, generate QR codes, compress PDFs, calculate percentages, create invoices, and optimize your website without installing software.
Most popular and frequently used utilities
Create a QR code from a URL, text, email, contact detail, or other supported data and save it for use online or in print.
Compress PDF files online to reduce file size for email, uploads, sharing, and storage while keeping the document usable.
Count words, characters, sentences, and paragraphs instantly for essays, articles, blog posts, assignments, and SEO content.
Create a professional invoice quickly with a clean layout suitable for freelancers, agencies, contractors, and small businesses.
Format and beautify JSON instantly into readable, indented, collapsible data. Useful for APIs, configuration files, and debugging.
Calculate percentages, percentage increases and decreases, and common percentage problems instantly.
Generate business name ideas for startups, side projects, agencies, ecommerce brands, and new businesses.
Pick and convert colors between HEX, RGB, and HSL values for websites, UI design, branding, and frontend development.
Generate relevant social media hashtags from a topic or niche for Instagram, TikTok, YouTube, and other content platforms.
Encode text or data into Base64 instantly for APIs, data URLs, authentication workflows, and development tasks. Runs directly in your browser.
Decode and inspect a JWT header and payload instantly without needing the signing secret. Helpful for debugging authentication tokens.
Test regular expressions against sample text in real time. Debug patterns before adding them to your application.
Generate random UUIDs instantly for database records, APIs, testing, distributed systems, and application development.
Generate an XML sitemap for webpages so search engines can discover important URLs more efficiently.
Generate SEO-friendly title, description, Open Graph, and basic meta tags ready to add to your website.
Generate Schema.org JSON-LD structured data for supported page types to help search engines understand visible page content.
Build and understand cron expressions visually for recurring Linux, server, DevOps, and automation schedules.
Generate an llms.txt file as an optional machine-readable documentation index for compatible AI agents and developer tooling. It is not a Google ranking factor.
Fast browser-based tools for developers: Base64, JWT, hashes, UUIDs, timestamps, URLs, regex, HTTP, redirects, and color values.
Decode Base64 text instantly into readable UTF-8 content. Useful for API debugging, tokens, encoded data, and developer workflows. Processing happens in your browser.
Encode text or data into Base64 instantly for APIs, data URLs, authentication workflows, and development tasks. Runs directly in your browser.
Generate MD5, SHA-1, SHA-256, and other common hashes for quick checksum and data-integrity checks.
Decode and inspect a JWT header and payload instantly without needing the signing secret. Helpful for debugging authentication tokens.
Generate JWT tokens for API development, authentication testing, prototypes, and local development workflows.
Convert Unix timestamps and epoch seconds into readable dates and times, or convert dates back to Unix timestamps.
Decode percent-encoded URLs and query strings, turning values such as %20 back into readable text.
URL-encode text safely for query parameters, API requests, links, and web applications.
Generate random UUIDs instantly for database records, APIs, testing, distributed systems, and application development.
Test regular expressions against sample text in real time. Debug patterns before adding them to your application.
Check a URL's HTTP response status and inspect useful response details for troubleshooting websites and APIs.
Trace URL redirects and identify redirect chains, final destinations, and common redirect problems during SEO and website debugging.
Pick and convert colors between HEX, RGB, and HSL values for websites, UI design, branding, and frontend development.
Format, validate, beautify, view, edit, and minify JSON, HTML, CSS, JavaScript, Markdown, and SQL online.
Beautify and format CSS so compressed or messy stylesheets are easier to read, edit, and debug.
Minify CSS by removing unnecessary whitespace and comments to reduce file size for production websites.
Format and indent HTML automatically so templates and generated markup are clean and easier to maintain.
Minify HTML output to reduce page size and unnecessary whitespace before production deployment.
Minify JavaScript to reduce file size and improve delivery performance for production websites.
Format and beautify JSON instantly into readable, indented, collapsible data. Useful for APIs, configuration files, and debugging.
Validate JSON and identify syntax errors so you can quickly fix missing commas, quotes, brackets, and malformed values.
Explore deeply nested JSON in a readable tree-style viewer, making large API responses and configuration files easier to inspect.
Write Markdown with a live preview for README files, documentation, notes, blog content, and developer projects.
Beautify long or minified SQL queries with readable indentation and structure for debugging and database work.
Format SQL consistently with readable indentation and capitalization for cleaner database scripts and queries.
Free tools for technical SEO, metadata, sitemaps, robots.txt, schema markup, UTM tracking, hreflang, SERP previews, and AI-search readiness.
Analyze technical SEO, on-page issues, and optimization opportunities with a comprehensive free audit.
Generate hreflang tags for multilingual and multi-region websites so search engines can understand localized page versions.
Inspect a webpage's title, meta description, canonical, Open Graph, and other important metadata for SEO and social sharing.
Generate SEO-friendly title, description, Open Graph, and basic meta tags ready to add to your website.
Preview how a page title and meta description may appear in Google search results and improve your search snippet before publishing.
Generate an XML sitemap for webpages so search engines can discover important URLs more efficiently.
Create a valid robots.txt file to control crawler access to website paths and protect areas that should not be crawled.
Generate an llms.txt file as an optional machine-readable documentation index for compatible AI agents and developer tooling. It is not a Google ranking factor.
Build consistent UTM-tagged URLs for campaigns so traffic sources, mediums, campaigns, and content can be measured in analytics.
Generate Schema.org JSON-LD structured data for supported page types to help search engines understand visible page content.
Free calculators and document generators for freelancers, businesses, invoices, quotes, rates, discounts, loans, percentages, and profit margins.
Create a professional invoice quickly with a clean layout suitable for freelancers, agencies, contractors, and small businesses.
Create a client-ready project proposal structure covering scope, deliverables, timeline, pricing, and terms.
Create a professional quotation for services or projects with clear pricing, line items, and client details.
Create a simple printable receipt for completed transactions, services, or offline payments.
Create a basic payslip document layout with employee, salary, deductions, and payment details.
Create a project cost estimate with services, quantities, rates, and totals before preparing a final invoice.
Calculate sale prices, discount amounts, and savings for any percentage discount.
Estimate the hourly or daily rate you need to charge based on income goals, working hours, expenses, and billable time.
Convert annual salary or income into an estimated hourly rate based on working hours and paid time.
Estimate monthly loan payments, total interest, and repayment cost from principal, rate, and loan term.
Calculate percentages, percentage increases and decreases, and common percentage problems instantly.
Calculate gross profit, profit margin, markup, revenue, and cost to understand how profitable a sale or product is.
Useful online generators and productivity utilities for business names, company names, cron schedules, hashtags, QR codes, slugs, and PDF compression.
Generate business name ideas for startups, side projects, agencies, ecommerce brands, and new businesses.
Generate professional company and brand name ideas for new businesses, agencies, startups, and products.
Build and understand cron expressions visually for recurring Linux, server, DevOps, and automation schedules.
Generate relevant social media hashtags from a topic or niche for Instagram, TikTok, YouTube, and other content platforms.
Create a QR code from a URL, text, email, contact detail, or other supported data and save it for use online or in print.
Convert page titles and phrases into clean, lowercase, URL-friendly slugs for websites, blogs, and SEO.
Compress PDF files online to reduce file size for email, uploads, sharing, and storage while keeping the document usable.
Convert PDF pages to high-quality JPG images instantly.
Combine multiple PDFs into a single document easily.
Extract pages or split your PDF into multiple files.
Rotate PDF pages to correct their orientation.
Remove password protection and restrictions from PDF files.
Compress images online while preserving quality. Reduce JPEG, PNG, and WebP file sizes instantly.
Free tools for counting words and characters, estimating reading time, and checking keyword usage for content and SEO.
Count characters, words, lines, and spaces in text. Useful for social posts, metadata, forms, ads, and content limits.
Count words, characters, sentences, and paragraphs instantly for essays, articles, blog posts, assignments, and SEO content.
Estimate how long an article or document takes to read based on its word count and reading speed.
Analyze keyword frequency and density in text to spot overuse and improve natural, readable SEO content.