Free online tools
Free Online Tools — Images, PDFs, Text, Dev and More
Toolbox Hub is a collection of 242+ free online tools spanning nine categories — images, PDFs, text, developer utilities, generators, calculators, converters, and more. Whether you need the image compressor to shrink photos before publishing, PDF merge to combine documents into one file, the JSON formatter to clean up an API response, or the QR code generator to create a scannable link in seconds — every tool opens directly in your browser and delivers a result without friction. The word counter handles essay drafts and character limits. The GPA calculator and other education tools are built for students. No signup required — just open any tool and start.
Start with Image Compressor, PDF Merge, JSON Formatter, or QR Code Generator if you want fast examples of the workflows people use most.
242+ Free Tools
Useful workflows across images, PDFs, text, developer tasks, generators, and calculators.
No Signup Required
Open a tool and start working immediately without an account wall or dashboard.
Mobile Friendly
Touch-first cards, tap-friendly controls, and clean layouts that hold up on smaller screens.
Fast Browser Tools
Many tasks run directly in your browser for quick results and fewer unnecessary steps.
Popular Tools
Start with trusted, high-use workflows
These are the tools that make the site feel immediately useful: strong descriptions, clear use cases, and fast paths into common tasks.
Image Compressor
Compress images to reduce file size while keeping them ready to share, upload, or publish.
image tools
Image Resizer
Resize images by pixel dimensions for websites, social posts, documents, and quick edits.
image tools
PDF Merge
Merge multiple PDF files into one document in the order you choose.
pdf tools
JSON Formatter
Format, validate, and pretty-print JSON so it is easier to read and fix.
developer tools
QR Code Generator
Create QR codes from links, text, contact details, and other short content.
generator tools
Percentage Calculator
Solve common percentage formulas quickly.
calculator tools
Secure Token Generator
Generate secure random tokens for apps and testing workflows.
Try Today's Tool →Most Used Tools
Most used tools right now
Popular across quick uploads, formatting tasks, calculators, and lightweight browser workflows.
Image Compressor
Compress images to reduce file size while keeping them ready to share, upload, or publish.
Word Counter
Count words in pasted or typed text.
Blur Image Tool
Blur part of an image or soften the full picture before saving a cleaner copy.
GIF Maker
Turn a sequence of images into a shareable GIF animation for free in the browser.
PDF Merge
Merge multiple PDF files into one document in the order you choose.
JSON Formatter
Format, validate, and pretty-print JSON so it is easier to read and fix.
New Tools
Fresh additions to explore
Recently added tools that expand the directory without making the experience feel crowded.
Random Username Generator
Generate random username ideas from local patterns and word lists.
Image to PDF Converter
Convert one or more uploaded images into a PDF document.
File Checksum Generator
Generate file checksums locally from uploaded files.
File Hash Checker
Check the hash of an uploaded file locally in the browser.
Reading Time Calculator
Estimate how long a reader may take to finish a text block.
Sentence Counter
Count how many sentences appear in a text block.
Search Tools
Search tools with instant suggestions
Type a task, tool name, or keyword and Toolbox Hub will surface matching tools, categories, and quick suggestions as you go.
Press / to search from anywhere
Start with a quick search so the directory feels smaller and more focused from the first click.
Popular searches
Trending
Browse what people open next
A mix of reliable high-traffic tools and newer workflows that fit naturally into common browser-based tasks.
Image Compressor
Compress images to reduce file size while keeping them ready to share, upload, or publish.
Blur Image Tool
Blur part of an image or soften the full picture before saving a cleaner copy.
Word Counter
Count words in pasted or typed text.
GIF Maker
Turn a sequence of images into a shareable GIF animation for free in the browser.
PDF Merge
Merge multiple PDF files into one document in the order you choose.
JSON Formatter
Format, validate, and pretty-print JSON so it is easier to read and fix.
Educational Tools
Helpful tools for students and study workflows
Open free tools for grades, writing, revision, typing practice, and study planning without leaving the clean browser workflow.
GPA Calculator
Calculate GPA with courses, credits, and letter grades.
Open tool
Word Counter
Count words, characters, sentences, and paragraphs in real time.
Open tool
Unit Converter
Convert length, weight, temperature, time, and volume values.
Open tool
Pomodoro Timer
Use focus and break sessions with session tracking.
Open tool
Typing Speed Test
Measure words per minute and accuracy with a timed typing test.
Open tool
Age Calculator
Calculate age in years, months, and days from a birth date.
Open tool
Categories
Browse categories without guesswork
Jump into the part of the directory that matches your task, then keep exploring through related tools and practical internal links.
Educational Tools
Explore free educational tools for grades, study planning, revision, and classroom support.
Image Tools
Explore image tools for quick edits, conversions, and downloads.
PDF Tools
Use PDF tools for everyday file edits, conversions, and quick fixes.
Text Tools
Explore text tools for writing, cleanup, and quick edits.
Developer Tools
Use developer tools for quick formatting, testing, and debugging tasks.
Generator Tools
Explore generators for quick ideas, codes, IDs, and random picks.
Calculator Tools
Use calculators for everyday finance, planning, and quick math.
Trust & Site Info
A cleaner, more transparent tools website
FAQ
Common questions about Toolbox Hub
A quick overview of what to expect from the tools, the browser-based workflow, and the way the site handles common tasks.
Do I need to create an account before using the tools?
No. Toolbox Hub is built around quick browser-based workflows, so you can open a tool and start using it right away without creating an account.
Are the tools safe for mobile and low-friction use?
Yes. The main tool flows are designed to stay touch-friendly on phones and tablets, with large tap targets, simple controls, and layouts that avoid horizontal scrolling.
Do my files always leave my device?
Many tools run directly in your browser. When a tool needs server help, the page explains that clearly so you know when local processing is not the full workflow.
How should I choose the right tool quickly?
Use the homepage search, browse a category, or start with the most used tools section. Each tool page also links to related alternatives so you can keep moving without starting over.