🔒 100% Browser-Side ⚡ Zero Server Uploads 🆓 Free Forever

Free Online Tools — No Signup Required

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

Explore Tool Categories

Find the right utility for your workflow across 14 specialized categories

Image Tools
31 Tools
PDF Tools
19 Tools
Text Tools
25 Tools
Developer Tools
20 Tools
SEO Tools
12 Tools
Calculators
10 Tools
Unit Converters
10 Tools
Security Tools
11 Tools
Color Tools
8 Tools
CSS Tools
7 Tools
JSON Tools
7 Tools
Base64 & Encoding
8 Tools
Date & Time
8 Tools
Miscellaneous
9 Tools

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

Hundreds of browser-based online tools, always accessible, fast, and completely free.

Explore All Tools

PDF Watermark

Add a custom text watermark to your PDF. Set text, color, opacity, size, rotation and position. The watermark is added to every page directly in your browser with no upload required.

Drag and drop your PDF here, or browse files
Supports PDF files — up to 50 MB

Technical Specifications

Review the supported limits, formats, and processing details for the PDF Watermark tool.

Specification Details
Supported Format Adobe Portable Document Format (.pdf)
Watermark Type Vector text overlay (Helvetica)
Output Format Watermarked .pdf (same page count)
Max File Size 50 MB (browser memory dependent)
Processing Engine pdf-lib (JavaScript), HTML5 File API
Data Privacy 100% Client-side. No data is sent to any server.

How to Add a Watermark to a PDF

Mark your PDF with custom text directly in your browser.

  1. Select your file: Drag and drop your PDF into the area, or click to browse your device. If it is password protected, enter the password.
  2. Customize the watermark: Type your text, pick a color, set font size, opacity and rotation, and choose a position preset such as diagonal or tiled.
  3. Add watermark: Click “Add Watermark”. The text is drawn on every page as a semi-transparent overlay.
  4. Download: Click “Download Watermarked PDF” to save the updated file.

Features & Capabilities

✍️

Custom Text

Add any text up to 80 characters — names, dates, CONFIDENTIAL, Draft, or your brand.

🎨

Style Control

Adjust color, font size from 12 to 96, opacity from 10 to 100 percent and rotation from -90 to 90 degrees.

📐

Position Presets

Choose diagonal, center, corners or tiled repeat to cover the whole page evenly.

🔒

Private & Secure

All processing happens locally in your browser. Your PDF never leaves your device.

Your privacy is strictly protected.

The PDF Watermark tool is designed with a privacy-first approach. Unlike many other online tools that upload your files to remote servers, TinyToolzz processes everything locally within your web browser using JavaScript and pdf-lib.

This means your PDF documents never leave your device. There is no cloud storage, no temporary file hosting, and no risk of data interception. The watermarked PDF is generated in memory and discarded when you leave the page.

Frequently Asked Questions

How do I add a watermark to a PDF?
Drag and drop your PDF into the tool, type your watermark text, adjust color, opacity, size, rotation and position, then click Add Watermark. The PDF is updated in your browser and ready to download.
Is my PDF file uploaded to your servers?
No. The PDF Watermark tool runs completely within your web browser. Your file is read locally and never uploaded or transmitted over the internet.
Can I customize the watermark appearance?
Yes. You can set the text, font size, text color, opacity from 10 to 100 percent, rotation from -90 to 90 degrees, and choose a position including diagonal, center, corners or tiled repeat.
Will the watermark be added to every page?
Yes. The watermark is drawn on all pages of the PDF. Each page keeps its original content and the text is added as a semi-transparent overlay.
Does the watermark reduce PDF quality?
No. The original pages are not re-compressed. The tool adds a vector text layer on top of each page so quality remains the same.

Related PDF Tools

Merge PDF
Combine multiple PDF files into a single document securely in your browser.
Compress PDF
Reduce the file size of your PDF documents while keeping good quality.
Unlock PDF
Remove password protection from a PDF when you know the correct password.