Toolsminer — Free Online Utilities

A curated suite of browser-based micro-tools for developers, marketers, and creators. Merge PDFs, compress images, format JSON, generate passwords, and more — with clear guides and transparent policies.

Read Guides About Us

Trusted by 489 visitors worldwide

Merge PDF

Combine multiple PDFs into one document.

Compress Image

Shrink JPG, PNG, and WebP file sizes.

QR Code Generator

Create scannable codes for URLs and Wi‑Fi.

Password Generator

Strong random passwords in your browser.

Text Case Converter

UPPERCASE, lowercase, Title Case, and more.

Word Counter

Words, characters, and reading time.

Color Picker

Copy HEX, RGB, and HSL color values.

Link Shortener

Short, trackable links for sharing.

JSON Formatter

Validate, prettify, and minify JSON.

Base64 Encoder

Encode and decode text to Base64.

Hash Generator

MD5, SHA-256, and SHA-512 hashes.

URL Encoder

Encode and decode URL query strings.

Unix Timestamp

Convert epoch time and dates.

Contract Analyzer

Understand agreements before you sign — flags risks & key terms.

Meta Tag Generator

Build SEO title, description, and social preview tags.

CSV to JSON

Convert spreadsheet CSV data to JSON instantly.

Lorem Ipsum Generator

Placeholder paragraphs for design mockups.

Invoice Calculator

Line items, tax, and totals for simple quotes.

Fast & Lightweight

Most tools run in your browser or on optimized PHP workers so you get results in seconds without installing software.

Privacy-Conscious Design

Uploaded files for PDF and image tools are processed temporarily and removed after delivery. Read our Privacy Policy for full details.

Guides & Tutorials

Every major workflow has a written guide in our Knowledge Hub — step-by-step instructions, best practices, and troubleshooting tips.

What Users Say

Feedback from professionals who use Toolsminer daily.

"The JSON Formatter and PDF Merger saved hours on client deliverables. Clean UI and no unnecessary sign-up friction for basic tasks."

Sarah Jenkins

Frontend Developer

"Hash Generator and Base64 tools are perfect for API debugging. I bookmarked the guides section for onboarding new team members."

Markus Chen

Data Analyst

"Link Shortener with click tracking and the Word Counter help our content team stay organized. Solid alternative to cluttered tool aggregators."

Elena Rodriguez

Digital Marketer

Frequently Asked Questions

Yes. File-based tools delete uploads after processing. Account passwords are hashed. See our Privacy Policy and Cookie Policy.

Guests: 5 tool uses per day. Registered users: 10 per day. Premium removes limits and ads.

We removed YouTube download utilities to align with Google AdSense policies and respect copyright. We focus on original, high-value productivity tools and educational content instead.

Ready to work smarter?

Create a free account or explore our guides to get started.