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Instant, privacy-first browser utilities for image processing, PDF manipulation, developer tasks, text transformations, calculators, and converters.

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Find the right utility for your workflow across 14 specialized categories

Image Tools
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PDF Tools
19 Tools
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Developer Tools
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12 Tools
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10 Tools
Unit Converters
10 Tools
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11 Tools
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Miscellaneous
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Most Popular Tools

The most frequently bookmarked tools by our users

Image Compressor

Compress JPG, PNG, and WebP images by up to 80% without losing quality.
Merge PDF

Combine multiple PDF files into one clean document instantly.
Word Counter

Count words, characters, sentences, paragraphs, and reading time in real time.
JSON Formatter

Format, validate, beautify, and minify raw JSON string inputs.
Password Generator

Generate secure, cryptographically random passwords with custom symbols.
QR Code Generator

Create custom QR codes for URLs, text, Wi-Fi, and contact details.
JPG to PDF

Convert JPG and PNG images into a clean single PDF file.
Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase, and snake_case.
Base64 Encoder

Encode text or images into standard Base64 format strings.
Percentage Calculator

Calculate percentage of values, percentage differences, and changes easily.
Color Picker

Pick colors from screen or image and export HEX, RGB, and HSL formats.
SERP Preview Tool

Simulate how your meta title and description appear in Google search results.

Why Choose TinyToolzz?

Built from the ground up for radical speed, privacy, and simplicity

Privacy First
Your files never leave your device. All processing occurs 100% locally in your web browser.
Lightning Fast
No server uploads or queues. Execution starts instantly and returns results in milliseconds.
Truly Free
No subscription tiers, daily task limits, or hidden paywalls. 100% free forever for everyone.
Works on Any Device
Fully optimized for smartphones, tablets, laptops, and desktop viewports.
150+ Tools
A complete utility suite for images, PDFs, developer tasks, text, calculators, and converters.
No Dark Patterns
No artificial processing delays, fake progress bars, or deceptive sign-up pop-ups.

Frequently Asked Questions

Everything you need to know about using TinyToolzz

What is TinyToolzz?
TinyToolzz is a browser-based suite of online utilities for images, PDFs, text, developer code, calculators, and unit converters. Every tool runs directly inside your web browser.
Are all tools on TinyToolzz free?
Yes. All tools on TinyToolzz are 100% free with no premium plans, hidden subscriptions, or daily limits.
Do I need to create an account?
No. You never need to sign up, provide an email address, or log in to use any tool on TinyToolzz.
Is my data safe? Do files get uploaded to a server?
Your files and text inputs are completely private. All processing is performed client-side using JavaScript and Web APIs. Zero file data is ever transmitted to external servers.
Do the tools work on mobile devices?
Yes! TinyToolzz is designed mobile-first and works seamlessly across iOS Safari, Android Chrome, mobile browsers, tablets, and desktop computers.

Bookmark TinyToolzz for Later

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Word Counter for SEO

Paste a draft to count words, sentences, paragraphs and headings, then run six SEO writing checks covering length, structure, keyword use and readability.

Enables the keyword placement and density checks below.

0
Words
0
Sentences
0 min
Reading time
0 / 4
Checks passed

SEO writing checks

    Headings - H1: 0, H2: 0, H3: 0. Paragraphs: 0.

    Technical Specifications

    Exactly how drafts are measured and judged.

    Measure Rule
    Word count Lowercased runs of letters and digits; markup stripped before counting
    Headings HTML h1-h3 tags plus Markdown lines starting with #, ## or ###
    Paragraphs HTML p elements when present, otherwise blank-line separated blocks
    Length check 300 words minimum; 1000-plus noted as comprehensive depth
    Readability Average sentence length at or under 20 words; paragraphs under 100 words
    Keyword checks Presence in first 100 words plus 1-3 percent density; skipped without a keyword
    Processing location 100% client-side JavaScript in your browser memory; nothing is uploaded

    Features

    📝

    Writer Metrics

    Words, sentences, paragraphs, headings and reading time in one glance.

    ✔️

    Six SEO Checks

    Length, structure, keyword use and readability verdicts with a live score.

    📋

    Report Export

    Copy a one-line verdict or download the full analysis report.

    🔒

    Local Device Privacy

    Everything runs in the page with plain JavaScript. Drafts never leave your device.

    How to Use Word Counter for SEO

    1. Paste your article draft, HTML or Markdown headings included.
    2. Add the focus keyword to enable placement and density checks.
    3. Read the six checks and the heading breakdown line.
    4. Rewrite whatever fails: structure, intros, long sentences.
    5. Click Download Report to keep the before-and-after numbers.

    Structure Carries the Argument

    Readers and crawlers both navigate by skeleton: one H1 stating the topic, H2s dividing the case, short paragraphs delivering it in swallows. A draft that buries its point in unbroken walls loses both audiences before the keyword ever appears.

    Length follows coverage

    Never pad to a number; instead cover the query completely and let the count land where it lands. Most competitive guides need 1000-plus words because the subject demands it, not because length itself scores. Check topical repetition with the Keyword Density Checker, then shape the snippet with the Meta Tag Generator.

    Honest limitations

    Counting cannot judge accuracy, originality or argument quality; a perfectly scoring draft can still be wrong. Tokenizing suits English best, and pasted navigation or footer text inflates every measure. Treat green checks as craft hygiene, not a ranking promise.

    Privacy and Client-Side Security

    Privacy Guarantee: All counting occurs locally inside your browser. Your drafts are never transmitted, stored, or recorded on remote servers.

    Many online analyzers send your drafts to a server for processing. TinyToolzz takes a different approach: every step runs in the page itself with plain JavaScript string operations.

    Because nothing is uploaded, there is no waiting, no account, and no copy of your unpublished work retained anywhere. Your text exists only in the tab memory and is discarded when you close the page or click Clear.

    Frequently Asked Questions

    How many words should an SEO article have?
    Treat 300 words as the floor below which pages look thin, and 1000-plus as the zone where guides compete on depth. Length alone never ranks; complete coverage of the query intent does, which usually takes space to deliver.
    Why should a page have exactly one H1?
    The H1 is the page single topical headline that frames everything beneath it. Multiple H1s split that signal and confuse the outline, while zero H1s leave crawlers guessing. This tool accepts HTML tags and Markdown hashes alike.
    Why put the keyword in the first 100 words?
    An early keyword establishes the topic for readers and crawlers before attention fades, and it feeds the passages Google lifts into featured snippets. Introductions that circle the subject for paragraphs bury the signal.
    What keyword density is safe?
    Roughly 1 to 3 percent for the focus phrase reads naturally in most drafts. Far above that range usually means repetition rather than coverage; rewrite with synonyms and subtopics instead of adding more copies of the same words.
    Do short sentences rank better?
    Short sentences do not rank directly, but readable pages earn the engagement that correlates with rankings: longer visits, deeper scrolls, fewer bounces. An average near 15 to 20 words with no marathon sentences is the practical target.
    Is my article text uploaded to a server?
    No. All counting happens locally in your browser with JavaScript. Your text is never transmitted, stored or logged anywhere. Closing the tab or clicking Clear removes it from memory immediately.

    Related Tools

    Keyword Density Checker

    Measure keyword frequency across 1, 2 and 3-word phrases.
    Word Counter

    Count words, characters and sentences with reading-time estimates.
    Meta Tag Generator

    Build title, description and robots tags for search results.
    SERP Preview Tool

    See how titles and descriptions render in Google results.
    Schema Markup Generator

    Build JSON-LD structured data for rich search results.
    Robots.txt Generator

    Write crawler allow and disallow rules without syntax errors.