Simple, focused workflows
Get from input to a clear result without a complicated setup.
Free Online Tools for Everyday Tasks
Fast, simple and privacy-friendly tools for text, images, developers, PDFs, calculators and more.
Popular Tools
View all tools →Word Counter
Count words, characters, sentences and paragraphs in real time, plus estimated reading and speaking time.
Text ToolsCharacter Counter
Count characters, characters without spaces, words and lines instantly — useful for meeting title tags, bios and SMS limits.
Text ToolsCase Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, aLtErNaTiNg case and more with one click.
Text ToolsRemove Duplicate Lines
Remove duplicate lines from a list while preserving the first occurrence, with case-sensitivity, trimming and sorting options.
Text ToolsText Sorter
Sort lines of text alphabetically or numerically, reverse line order, remove duplicates, or shuffle lines randomly.
Text ToolsText Cleaner
Clean up messy text: remove extra spaces, blank lines, special characters and normalize line breaks.
Text ToolsJSON Formatter & Validator
Format, minify and validate JSON with clear error messages and adjustable indentation.
Developer ToolsBase64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text, with correct handling of Unicode characters.
Developer ToolsBrowse by Category
View all categories →Text Tools
Count, clean, sort and reshape text instantly in your browser.
6 toolsImage Tools
Compress, resize, crop and convert images without uploading them anywhere.
4 toolsPDF Tools
Merge, split and rotate PDF files directly in your browser.
3 toolsDeveloper Tools
JSON, encoding, hashing and regex utilities for everyday development.
8 toolsCalculators
Percentage, loan, health and everyday calculators with clear formulas.
11 toolsConverter Tools
Convert length, weight, temperature and data storage units accurately.
7 toolsSEO Tools
Generate meta tags, robots.txt and social preview snippets.
5 toolsSecurity & Privacy Tools
Generate strong passwords and check strength, entirely on your device.
3 toolsDate & Time Tools
Calculate date differences, countdowns and time zones.
4 toolsMiscellaneous Tools
QR codes, color conversion, random generators and more.
6 toolsWhy Use Utoline?
Useful tools in one place
Work with text, images, PDFs, calculations, conversions and developer utilities from one collection.
Easy to get started
Open a tool and begin straight away. No account is required for the tools currently offered.
Clear, practical results
Tool pages are designed to keep the main task and its output easy to find.
Recently Added Tools
PDF Rotate
Rotate all or selected pages of a PDF by 90, 180 or 270 degrees, directly in your browser.
PDF ToolsPDF Split & Page Extractor
Extract specific pages or page ranges from a PDF into a new document, directly in your browser.
PDF ToolsPDF Merge
Combine multiple PDF files into a single document, in the order you choose, directly in your browser.
PDF ToolsImage Format Converter
Convert images between JPG, PNG and WebP formats directly in your browser, based on what your browser can actually encode.
Image ToolsImage Cropper
Crop images to a free-form selection or common aspect ratios like square, 4:3 and 16:9, directly in your browser.
Image ToolsImage Resizer
Resize images to exact dimensions or common presets, with optional aspect-ratio lock, entirely in your browser.
Image ToolsImage Compressor
Compress JPG, PNG and WebP images in your browser to reduce file size, with a live before/after comparison. Images never leave your device.
Image ToolsMicrophone Test
Test your microphone online with a live waveform and sound-level meter. Audio stays in your browser and is never recorded, stored or uploaded.
Miscellaneous ToolsHelpful Guides
View all guides →How to Count Words in a Document
Learn different ways to count words in your writing, and why word count matters for essays, articles and SEO content.
What Is JSON? A Plain-English Guide
A beginner-friendly explanation of JSON, its syntax, and why it’s the standard format for exchanging data on the web.
How to Compress an Image Without Losing Quality
Practical tips for reducing image file size for faster websites and smaller uploads, while keeping visual quality acceptable.
JPG vs PNG: Which Should You Use?
A clear comparison of JPG and PNG image formats, covering compression, transparency and best use cases for each.
Frequently asked questions
Are these tools really free?
Yes — every tool on utoline is free to use, with no account, signup or hidden paywall.
Is my data uploaded when I use a tool?
Most tools process your input entirely in your browser using JavaScript, so it is never uploaded to a server. Tools that work differently say so clearly on their page.
Do I need to install anything?
No. Every tool runs directly in your web browser on desktop or mobile.