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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

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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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Twitter Card Generator

Build X (Twitter) card tags for any page: summary or large-image layout, handles, title, description and image. Both card previews update live as you type.

Large image suits visual stories; summary suits news links and articles.

0 / 70

X truncates titles around 70 characters.

0 / 200

About 200 characters is the practical display limit.

Must be an absolute https:// URL under 5 MB. Large cards: 1200 by 628. Summary: square, 300 by 300 or more.

Generated tags

<!-- Your tags appear here - fill in the card title above -->

Card previews

Large image
Card image appears here
Your card title appears here
Your card description appears here.
example.com
Summary
Your card title appears here
Your card description appears here.
example.com
Image

Technical Specifications

Exactly what the generator outputs and which limits it checks.

Tag Rule
twitter:card Always emitted: summary_large_image or summary from the dropdown
twitter:title Under 70 characters recommended; counter warns past 70 where X truncates
twitter:description About 200 characters of practical display room; counter flags past 200
twitter:site / twitter:creator Handles of 1-15 letters, digits or underscores; a missing @ is added automatically
twitter:image Emitted only for absolute https:// URLs; preview loads the image locally for display
twitter:image:alt Emitted only together with a valid image URL, max 200 characters
Escaping Ampersands, angle brackets and double quotes are converted to HTML entities
Processing location 100% client-side JavaScript in your browser memory; nothing is uploaded

Features

🐦

Both Card Layouts

Large-image and summary previews render side by side so you can compare before choosing.

📏

Length Guidance

Title and description counters change color as you cross the 70 and 200 character limits.

📋

Copy or Download

Copy the block to the clipboard or save it as a twitter-card.html snippet file.

🔒

Local Device Privacy

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

How to Use the Twitter Card Generator

  1. Pick the card type: large image for visual stories, summary for links.
  2. Add your site handle and the optional creator handle.
  3. Type the card title and description, watching the counters.
  4. Paste the absolute image URL and check both previews.
  5. Click Copy Tags or Download .html, then paste the block into your page head.

Choosing the Right Card Type

Cards decide whether a link on X earns a glance or a click. A bare URL in the timeline blends into the noise; a card with a sharp image and a complete title stops the scroll. The two layouts serve different goals, so match the layout to the content before publishing.

Large image versus summary

Summary_large_image stretches the photo across the full card width, which suits product launches, photo stories and announcements where the visual carries the message. Summary tucks a small square thumbnail beside the text, which suits article links where the headline matters most. Whichever you pick, pair it with share tags for other networks from the Open Graph Generator and base search tags from the Meta Tag Generator.

Honest limitations

Previews here approximate the X timeline but cannot match every app version and device exactly. Images must live at public https:// URLs under 5 MB or the crawler rejects the card. Cached cards persist after edits until the URL is rechecked in the X Card Validator and reposted.

Privacy and Client-Side Security

Privacy Guarantee: All tag building occurs locally inside your browser. Your titles, descriptions, handles and image URLs are never transmitted, stored, or recorded on remote servers.

Many online generators 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 copy retained anywhere. Image URLs are loaded by your own browser only to render the preview, and everything is discarded when you close the page or click Clear.

Frequently Asked Questions

What is the difference between summary and summary_large_image?
Summary shows a small square thumbnail beside the title and description, suited to news links and blog posts. Summary_large_image shows a full-width photo above the text, suited to visual stories, products and announcements that need the image to carry the click.
Which Twitter Card tags are required?
Four tags make a complete card: twitter:card for the layout, twitter:title, twitter:description and twitter:image. Adding twitter:site with your @handle is strongly recommended so the card links the post back to your account.
What image size works best for X cards?
For summary_large_image use 1200 by 628 pixels (about a 2 to 1 ratio), at least 300 by 157 and under 5 MB. For summary use a square image of at least 144 by 144, ideally 300 by 300 or larger, also under 5 MB.
Why is my card not showing on X?
The usual causes are a cached preview, a relative or http image URL (cards need absolute https), or robots rules blocking the Twitterbot crawler. Test the URL in the X Card Validator, fix any flagged tag, then repost to render the fresh card.
Do I still need Open Graph tags alongside Twitter Cards?
Yes. X falls back to og:title, og:description and og:image when a twitter: tag is missing, and Facebook and LinkedIn only read Open Graph. Emit both blocks so every network renders a full card.
Is my page content uploaded to a server?
No. All tag building happens locally in your browser with JavaScript. Your titles, descriptions, handles and image URLs are never transmitted, stored or logged anywhere. Closing the tab or clicking Clear removes everything immediately.

Related SEO Tools

Open Graph Generator

Build Facebook and LinkedIn share tags with live card previews.
Meta Tag Generator

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

See how titles and descriptions render in Google results.
Canonical Tag Generator

Mark the preferred URL to avoid duplicate-content issues.
Schema Markup Generator

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

Write crawler allow and disallow rules without syntax errors.