100% freeEvery tool is free — no sign-up, no limits
Free online tools
Simple tools for
everyday tasks.
Free tools for images, PDFs, text, code, colors and YouTube. Open one and it works: no sign-up, no install, no technical knowledge needed.
98 free tools · No sign-up · Works on any device
Categories
Browse tools by category.
Pick a category to see every tool in it. New categories are added regularly.
YouTube
16 tools
Tools for working with YouTube videos, channels and thumbnails.
Thumbnail Downloader · Video ID Finder · Embed Code Generator
Text
9 tools
Useful tools for writing, editing and analyzing text.
Word Counter · Case Converter · Remove Duplicate Lines
Images
11 tools
Resize, compress and transform images easily.
Image Compressor · Image Resizer · Image Cropper
PDFs
8 tools
Simple tools for managing PDF files.
PDF Merger · PDF Splitter · Images to PDF
Developer
9 tools
Format, convert and check code and data.
JSON Formatter · URL Encoder · Base64 Encoder
Marketing
1 tool
Build links, codes and campaigns in seconds.
UTM Link Builder
Productivity
10 tools
Everyday helpers that save you a few minutes.
QR Code Generator · Password Generator · List Randomizer
Calculators
7 tools
Quick answers for money, health, school, dates and percentages.
Percentage Calculator · Age Calculator · BMI Calculator
Finance
18 tools
Loans, mortgages, pay, saving and tax — worked out in seconds.
Loan Calculator · Mortgage Calculator · Compound Interest Calculator
SEO
2 tools
Check and improve how pages appear in search.
Meta Tag Generator · URL Slug Generator
Color
3 tools
Convert, check and build color palettes.
Color Converter · Contrast Checker · Color Shades Generator
CSS
4 tools
Generate and tidy up CSS with live previews.
CSS Gradient Generator · Box Shadow Generator · Border Radius Generator
Coming soon
Popular
Popular tools
The tools people use most. Pick one and get started in seconds.
Thumbnail Downloader
Download a YouTube video's thumbnail in seconds, in every available size.
FreeYouTubePopularWord Counter
Count words, characters, sentences and reading time as you type.
FreeTextPopularImage Compressor
Make photos and images smaller without losing visible quality.
FreeImagesPopularPDF Merger
Combine several PDF files into one, in the order you choose.
FreePDFsPopularJSON Formatter
Make JSON readable, check it for errors, or minify it.
FreeDeveloperPopularQR Code Generator
Turn a link, text, Wi-Fi login or email into a QR code you can download.
FreeProductivityPopular
Just added
Recently added tools
The newest tools on the site.
PDF to JPG
Turn every page of a PDF into a JPG or PNG image — one page or all of them at once.
FreePDFsPopularRotate PDF
Turn PDF pages the right way up — every page at once or one at a time — and save the file.
FreePDFsAdd Page Numbers
Number the pages of a PDF — choose the position, style and starting number.
FreePDFsWatermark PDF
Stamp text like CONFIDENTIAL or DRAFT across your PDF pages — once or repeated.
FreePDFs
16 tools
YouTube Tools
Useful YouTube tools that make common tasks faster and easier. Paste a link, get what you need.
Thumbnail Downloader
Download a YouTube video's thumbnail in seconds, in every available size.
FreePopularVideo ID Finder
Get the video ID from any YouTube link, plus clean watch and embed links.
FreePopularEmbed Code Generator
Create the code to put a YouTube video on your website, with the options you want.
FreeTimestamp Generator
Turn a list of chapters into timestamps that YouTube recognizes.
FreeDescription Generator
Build a clear, well-structured video description — summary, links, chapters and hashtags in the right order.
FreeHashtag Generator
Turn your keywords into correctly formatted YouTube hashtags, and check them against YouTube's rules.
FreeThumbnail Checker
Check your thumbnail's brightness, contrast, colors and text before you publish.
FreePopularThumbnail Preview
See how your thumbnail will look on YouTube's home page, search and phones.
Free
Guides
Popular guides
Clear, step-by-step answers to the questions people ask most.
- Image Tools
How-to
HEIC Files Won't Open on Windows? 4 Ways to Open or Convert iPhone Photos
iPhone photos (.heic) won't open on your PC? Convert them to JPG in a minute, teach Windows to read them, or change one iPhone setting for good.
· 6 min readRead
- Image Tools
How-to
How to Reduce a Photo to Under 100 KB (Without Making It Blurry)
Get a photo under 100 KB for an online form and keep it sharp: the two settings that matter, sizes for common limits, and why a file stays too big.
· 6 min readRead
- PDF Tools
How-to
How to Sign a PDF Without Printing It — on a Computer or Phone
Sign a PDF on screen in a couple of minutes — in your browser, Adobe Reader, Preview or iPhone Markup — and know when a signature like this is legally enough.
· 5 min readRead
No setup. No learning curve.
Every tool is built for people who just want the job done.
Free, always
Every tool is free to use. No trials, no hidden limits.
No sign-up
Open a tool and start. No account, no email, no password.
Private by design
Most tools run right in your browser, so your files and text stay with you.
Works on any device
Phone, tablet or computer — every tool is built to be easy on a small screen.
Frequently asked questions
What is OnlineToolPro?
OnlineToolPro is a collection of free online tools for everyday tasks — like compressing an image, merging PDFs, formatting JSON, checking color contrast or downloading a YouTube thumbnail. Each tool does one job, simply.
Who are the tools for?
Anyone who needs a quick job done: students, office workers, creators, marketers and developers. Most tools need no technical knowledge at all.
Do I need to create an account?
No. Every tool works straight away without signing up.
Are the tools really free?
Yes. All tools are free to use.
Is my data safe?
Yes. The tools run in your browser, so the files and text you work on are processed on your device and never uploaded to us. We don't have accounts or a database. A few YouTube tools load public images directly from YouTube.
Will you add more tools?
Yes. New tools are added regularly. AI tools, social media tools and more PDF tools are planned, and planned tools are marked “Coming soon” until they work.
Find the right tool in seconds.
Search every tool across every category, or browse them all on one page.