Every free utility on this site, organised by category. Each tool runs in your browser — nothing is uploaded, no sign-up required.
Keyword Tools · Backlink Tools · Website Management Tools · Website Tracking Tools · Domain Tools · Meta Tags Tools · PDF Tools · Development Tools · Binary Converter Tools · Online Calculators · Other Tools · Text Analysis · Case & Format · Fancy Text Generators · Grammar & Proofreading · Rewriters & Paraphrasers · Plagiarism & AI Detection · Translation Tools · Media & OCR · Writing Utilities
Find, analyse and prioritise the right keywords for your SEO and content strategy.
Find out where your website actually ranks on Google for the keywords that matter — without a single sign-up. Enter the
Paste any article, blog post or landing-page copy and see in seconds which words you're using most often, what their den
Discover what real people actually type into Google for any seed keyword — without paying for an API or signing up to a
Get a quick read on how crowded the SERP is for any keyword. The tool runs Google's intitle: operator for your phrase, s
Type one seed keyword and instantly get dozens of long-tail variations that real people actually search for — covering b
See everything that ranks for a keyword in a single Google view — organic top 10, paid ads, image carousel, knowledge pa
Get a fast, honest difficulty read for any keyword by combining two of Google's most powerful operators: intitle: (how m
Audit the link profile of any website — count, classify and validate inbound and outbound links.
Discover which websites already link to any domain — yours or a competitor's — using a battery of free Google search ope
Submit your URL to a curated list of legitimate, free indexing and discovery services in under a minute. The tool genera
Get a precise breakdown of every hyperlink on any web page — total count, internal vs external, dofollow vs nofollow — i
Find broken (404, 500, timeout) links on any page in seconds. The tool fetches each link with a 5-second timeout and rep
Verify in one click whether two websites actually link to each other. Useful for confirming partnership exchanges, foote
Get a full table of every link on any web page — anchor text, destination URL, internal vs external, and dofollow vs nof
Practical site-management utilities for SEO audits, performance, social previews and crawl control.
Run a 10-point on-page SEO audit of any URL in under five seconds. The tool fetches the page, parses the HTML, and grade
Measure how fast any website responds to a request from your browser. The tool sends an HTTP request through a public pr
Get a fast read on how quickly any URL responds to an HTTP request — averaged over three samples to smooth out network j
See exactly how heavy any web page is — in kilobytes and megabytes. Fast way to spot bloated HTML before running a full
View the raw HTML source of any URL — even pages you can't right-click 'View Source' on. The tool fetches through a CORS
Add a lightweight visitor counter to any web page with a copy-paste script. The counter stores hits in each visitor's br
Paste a list of URLs and instantly generate a valid XML sitemap that Google, Bing and other search engines can crawl. Do
Project your potential Google AdSense earnings from any combination of daily pageviews, click-through rate (CTR) and cos
Audit Open Graph and Twitter Card meta tags on any URL in one click. See exactly which social-share preview properties a
Build a complete set of Open Graph and Twitter Card meta tags from a five-field form. Copy the output and paste it into
Build Twitter Card (now X) meta tags for summary or summary_large_image cards in one click. Pick your card type, fill in
Get a quick read on whether any URL is mobile-friendly — viewport meta, responsive media queries, and a 0–100 score — in
Build a valid robots.txt file in under 30 seconds. Pick your default crawler policy, list paths to disallow, optionally
Shorten any long URL into a clean, shareable link in one click — powered by the free, well-established is.gd API. No sig
Quick check for whether any URL is up, what HTTP status it returns, and how long the response took. The fastest way to c
Open dozens of URLs in new browser tabs at once — paste a list, click a button. Useful for SEO research, competitive ana
Paste minified or messy PHP code and get a properly indented, readable version in one click. Lightweight in-browser form
Paste any HTML snippet and instantly render it in a sandboxed iframe — or view it as raw source code. Useful for preview
Quick browser-based download speed test using Cloudflare's public speed test endpoint. Downloads a 1 MB sample, times it
Monitor, compare and diagnose what your site looks like to crawlers, users and the broader web.
Build campaign-tagged URLs with UTM parameters in seconds. Add utm_source, utm_medium, utm_campaign, utm_term and utm_co
Probe any URL's server to confirm whether it's UP or DOWN, the exact HTTP status code returned, and the response time in
Get a side-by-side stats comparison of any two URLs — title, page size, word count, link count, image count, and H1/H2 c
See exactly what Googlebot sees when it crawls any URL — the title, meta description, the first 500 words of body text,
Open Google's cached snapshot of any URL in one click. See exactly what Google last indexed for the page — and when — wi
Check approximately how many pages of any domain are indexed by Google using the site: search operator. The tool opens t
Trace where any URL ultimately resolves after following all redirects, plus the final HTTP status code. Useful for confi
Compare the live content of any URL with Google's cached version to detect cloaking — the SEO black-hat tactic of showin
Extract the numeric Facebook ID of any public page or profile from its URL — useful for Facebook API integrations, Open
Look up the geographic location, ISP and ASN of any IP address (or your own) using the public ipapi.co service. Free, in
See everything your browser publicly tells websites about your device — User Agent, OS, screen size, language, hardware
Find out in seconds if any website is down for everyone or just for you. The tool issues an independent HTTP request thr
Quick checks for domain age, hosting, indexing and authority signals.
Find out exactly how old any domain is — registration date plus age in years, months and total days. Pulled live from th
Identify which hosting provider any website uses by combining DNS lookup with GEO-IP enrichment. See the IP, hosting com
Check approximately how many pages of any domain Google has indexed. The tool opens a site: search in a new tab — the re
Generate and audit the meta tags that search engines and social platforms read.
Merge, split, rotate, lock, compress and convert PDFs — all in your browser, nothing uploaded.
Combine two or more PDF files into one in a few seconds. Everything happens locally in your browser using pdf-lib — your
Rotate every page of a PDF by 90°, 180° or 270° clockwise — useful when scanned documents come out sideways or upside-do
Remove owner-level restrictions (no-print, no-copy) from a PDF you have the right to modify. Runs entirely in your brows
Honest note: pdf-lib (the open-source library this site uses) doesn't support real PDF encryption. For password-protecte
Extract the text content from any PDF and download it as a .doc file you can open in Microsoft Word, Google Docs or Libr
Convert plain text (.txt) and basic HTML files to PDF directly in your browser using jsPDF. For full .docx with formatti
Convert every page of a PDF into a high-quality JPG image and download all pages as a single ZIP file. Powered by PDF.js
Reduce PDF file size using pdf-lib's object-stream compression. Useful for shrinking large scanned documents before emai
Extract specific page ranges from any PDF, or split it into one PDF per page packaged as a ZIP. Powered by pdf-lib runni
Aggressive PDF compression targeting 50KB output. Best for text-only PDFs — image-heavy documents won't reach 50KB witho
Compress PDFs to fit a 100KB upload limit — a common cap for government forms, exam portals, and university applications
Compress PDFs to fit a 150KB upload limit. 150KB is generous enough to allow basic image content while still meeting mos
Compress PDFs to fit a 200KB upload limit — the most widely-used size cap for online forms across exam portals, governme
Resize and compress PDFs to a 200KB target — useful when forms specify both dimensional and file-size limits. Browser-ba
Compress PDFs to fit a 300KB upload limit — generous enough for most detailed documents with images, forms, or formatted
Compress PDFs to fit a 500KB upload limit — generous enough for image-rich documents with multiple pages and signatures.
Compress PDFs to fit a 1MB upload limit. 1MB accommodates comprehensive multi-page documents with embedded images, signa
Compress PDFs to fit a 2MB upload limit. 2MB is generous enough for large documents with high-quality images, many pages
Convert every page of a PDF to a JPG image and bundle them into a single ZIP for easy distribution. Useful for sharing P
Developer utilities for everyday formatting and inspection tasks.
Convert between binary, hexadecimal, base64 and plain text.
Convert any text into its 8-bit binary representation in one click. Each character becomes its ASCII or UTF-8 byte value
Convert 8-bit binary (space-separated) back to readable text in one click. Each 8-digit binary group becomes the charact
Decode binary, hexadecimal or base64 input with automatic format detection. Particularly useful when you have an unknown
Free time, age and date arithmetic calculators.
Calculate your exact age — years, months, days, total days and hours since birth. Pick a date of birth and the as-of dat
Calculate chronological age — the exact gap between two dates expressed in years, months and days. Useful for academic a
Calculate exactly how long you've worked between a start time and an end time, minus any break minutes. Reports the tota
Test data generators for forms, QA and developer sandboxes.
Word counter, summariser and other text analysis utilities.
Switch between UPPERCASE, lowercase, Title Case and Sentence case in one click.
Convert any text to ALL UPPERCASE letters in one click. Useful for headlines, acronyms, emphasis, sign printing, and any
Convert any text to all-lowercase letters in one click. Useful for cleaning up SHOUTY user input, normalising data for m
Convert any text to Title Case — capital first letter on every word, lowercase elsewhere. Useful for headlines, blog tit
Convert text to Sentence case — capitalising only the first letter of each sentence and the rest in lowercase. Useful fo
All four case-conversion modes in one place: UPPER, lower, Title Case, and Sentence case. Pick a button and the conversi
Reverse any text either character by character (last char first) or by word order (last word first). Useful for puzzles,
Generate Unicode bold, small caps, superscript and upside-down text for social media.
Convert any English text into Unicode 𝐁𝐨𝐥𝐝 letters that work in Instagram bios, Twitter posts, TikTok captions, LinkedIn
Convert text into ᴍᴀʟʟ ᴄᴀᴘs Unicode characters — capital letterforms shrunk to lowercase height. Distinctive style for s
Convert any text into ᵗⁱⁿʸ superscript Unicode letters. Compact, eye-catching styling for Instagram bios, Twitter signat
Convert any text into upside-down letters that read ǝʞᴉl sᴉɥʇ. Created from Unicode rotated characters and reversed orde
Copy one or more invisible zero-width space characters (Unicode U+200B) to your clipboard. Useful for empty-looking What
Free spell, grammar, punctuation and proofreading checkers powered by LanguageTool.
Catch spelling mistakes, typos and commonly confused words instantly. Powered by the LanguageTool public API which runs
Catch grammar mistakes, awkward phrasing, and style issues in any English text. Free, no sign-up, powered by the Languag
Find missing commas, stray apostrophes, misused semicolons and a dozen other punctuation issues in any English text. Fre
Run a complete proofreading pass on any English text — spelling, grammar, punctuation, style, redundancy, and tone — in
Check individual sentences for subject-verb agreement, dangling modifiers, parallelism issues, and clarity problems. Pow
Run a thorough proofreading pass tailored for essays and academic writing — grammar, style, clarity, redundancy, and ton
Comprehensive grammar, style and register check for research papers, theses, and academic submissions. Powered by the La
Thesaurus-based article and sentence rewriters — fast, private, no AI API needed.
Rewrite full articles using a thesaurus-based paraphraser — fast and entirely private. Adjustable intensity from 20% to
Paraphrase any English text by swapping words with synonyms and lightly reshaping sentence order. Free, fast, runs in yo
Rephrase a single sentence with synonym replacement to find an alternative way to express the same idea. Useful when one
Rewrite an entire paragraph at once — synonym replacement plus light sentence-order reshaping. Faster than rewriting sen
Reword any English text with conservative synonym replacement — preserves sentence structure while varying vocabulary. L
Swap individual words with their synonyms across any text. Adjustable intensity controls what percentage of eligible wor
Rewrite single sentences or short passages with full thesaurus-based paraphrasing. Useful when one specific sentence isn
Change both the wording and the structure of sentences in any text. Combines synonym replacement with sentence reorderin
Rewrite essays paragraph by paragraph with thesaurus-based paraphrasing. Useful for engaging with source material in you
Generate three different paraphrased versions of any short passage — at low, medium, and high intensity — side by side,
Heuristic-based plagiarism and AI content detection tools.
Plagiarism check for any English text by splitting it into sentences and generating an exact-match Google search for eac
Estimate whether English text was written by an AI using a combination of three classic heuristics: sentence burstiness,
Detect ChatGPT-style writing using a combination of heuristics: uniform sentence lengths, telltale AI phrases, and even
Translate text and images between 30+ languages.
OCR, image-to-text, speech-to-text and text-to-image generation.
Extract text from any image — printed documents, screenshots, scanned pages, signs — using Tesseract.js OCR running enti
Free OCR for images in 6 languages: English, Hindi, Spanish, French, German, and Arabic. Powered by Tesseract.js, runs i
Extract text from a JPG, PNG, or other image and download it as a Word-compatible .doc file. Two operations in one — OCR
Extract text from an image AND translate to your target language in one tool. Useful for reading foreign-language signs,
Render any text as a downloadable PNG image — perfect for quote cards, social media posts, and Instagram story snippets.
Dictate text by voice using your microphone — the result is transcribed in real time. Uses the browser's native Web Spee
Online notepad, rich-text editor, Morse code translator and citation generator.
Write notes in your browser with auto-save. Everything is stored locally in your browser's localStorage — never uploaded
A simple rich-text editor with formatting buttons (bold, italic, underline, lists, links) and a 'View HTML source' butto
Combine two lists of words with a custom separator to produce every pairwise combination. Useful for keyword research, n
Translate English text to Morse code and back. Supports all 26 letters, digits 0–9, and common punctuation (period, comm
Generate citations in APA, MLA, Chicago, or Harvard style from a simple form. Enter the URL, title, author (optional), s