Word & Character Counter
Count words, characters, sentences and paragraphs.
Open tool →A practical toolkit for everyday work
Free tools for text, images, PDFs and code
Count and transform text, convert images, work with PDFs and format code with 57 free online tools. No account required.
57free tools
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Localprocessing on supported tools
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Explore all 57 tools
Find the right tool in seconds. Search by name or task.
Text Tools
Count, clean, transform and analyze written content.
Text Case Converter
Convert text to uppercase, lowercase, title case or sentence case.
Open tool →Remove Duplicate Lines
Remove repeated lines while keeping their original order.
Open tool →Remove Extra Spaces
Clean repeated spaces and unnecessary blank lines.
Open tool →Find & Replace Text
Find text and replace it with another phrase.
Open tool →Sort Lines Alphabetically
Sort lines from A to Z or Z to A.
Open tool →Reverse Text
Reverse characters or the order of words.
Open tool →Text to Slug Converter
Create clean URL-friendly slugs from text.
Open tool →Word Frequency Counter
Count repeated words and analyze text frequency.
Open tool →Markdown Editor
Write Markdown and preview formatted headings, lists, links and code.
Open tool →Text Diff Checker
Compare two text blocks and highlight added and removed lines.
Open tool →Calculators
Quick answers for percentages, health metrics, tax and everyday finances.
Discount Calculator
Calculate discount amount and final sale price.
Open tool →Percentage Calculator
Calculate percentages and percentage changes.
Open tool →Age Calculator
Calculate your age from your date of birth.
Open tool →GST Calculator
Calculate GST inclusive and exclusive amounts.
Open tool →BMI Calculator
Calculate adult Body Mass Index from height and weight.
Open tool →EMI Calculator
Estimate monthly loan EMI and total interest.
Open tool →Tip Calculator
Calculate a tip and split the bill between people.
Open tool →SGPA Calculator
Calculate semester grade point average using subject credits and grade points.
Open tool →Negative Marking Calculator
Calculate your exam score after penalties for incorrect answers.
Open tool →Developer & Data Tools
Format, convert, encode and optimize code or structured data.
JSON Formatter
Validate, pretty-print or minify JSON data.
Open tool →Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 strings.
Open tool →CSV to JSON Converter
Convert CSV rows into JSON objects.
Open tool →JSON to CSV Converter
Convert JSON arrays into spreadsheet-friendly CSV.
Open tool →HTML Minifier
Minify HTML source.
Open tool →CSS Minifier
Minify CSS source.
Open tool →JavaScript Minifier
Conservatively reduce JavaScript whitespace.
Open tool →Binary / Decimal / Hex Converter
Convert integers between number bases.
Open tool →URL Encoder / Decoder
Encode or decode URL components safely in your browser.
Open tool →CSV Viewer
Open CSV text as a readable, searchable table in your browser.
Open tool →Image Tools
Compress, resize, crop and convert common image formats.
Image Compressor
Compress JPG, PNG and WebP images.
Open tool →Universal Image Converter
Convert images between PNG, JPG and WebP.
Open tool →Image Cropper
Crop images by pixel coordinates.
Open tool →Image Resizer
Resize images to custom dimensions.
Open tool →JPG to PNG
Convert JPG images to PNG.
Open tool →PNG to JPG
Convert PNG images to JPG.
Open tool →Image to Base64 Converter
Convert an image into a Base64 data URL locally in your browser.
Open tool →Image Color Picker
Pick pixel colours from an image and copy HEX or RGB values.
Open tool →PDF Tools
Edit, organize and convert PDF documents in your browser.
Merge PDF Files
Combine multiple PDF files.
Open tool →Split PDF
Extract selected pages from a PDF.
Open tool →PDF to Image
Render PDF pages as PNG images.
Open tool →Image to PDF
Create a PDF from images.
Open tool →Add Watermark to PDF
Add text watermarks to PDF pages.
Open tool →Add Page Numbers to PDF
Number PDF pages.
Open tool →PDF Metadata Editor
Edit common PDF metadata.
Open tool →Add Text to PDF
Place text on PDF pages.
Open tool →Word to PDF
Prepare text as a printable document and save as PDF using your browser.
Open tool →PDF Page Extractor
Extract selected PDF pages into a separate PDF file.
Open tool →Everyday & Security Tools
Useful quick utilities for sharing information and protecting accounts.
QR Code Generator
Generate a QR code from text or a URL.
Open tool →Password Generator
Create random passwords with adjustable options.
Open tool →Password Strength Checker
Estimate password strength locally without sending it anywhere.
Open tool →SEO, Writing & Productivity Tools
Build campaign links, prepare page metadata, test patterns and create useful content.
UTM Link Builder
Build campaign URLs with source, medium and campaign tags.
Open tool →Reading Time Calculator
Estimate article reading time from words and reading speed.
Open tool →Meta Tag Generator
Create page title, description, canonical and social tags.
Open tool →Regex Tester
Test JavaScript regular expressions against sample text.
Open tool →Markdown Table Generator
Turn headings and rows into copy-ready Markdown tables.
Open tool →Robots.txt Generator
Draft crawler rules and a sitemap directive for your site.
Open tool →Free online tools for everyday tasks
Use Tolvix for text utilities, calculators and developer helpers. Most tools process data in your browser. The QR generator sends the entered text or URL to an external QR service.
37 practical guides for everyday tasks
Step-by-step explanations, examples and checks for writing, calculations, images, PDFs, security and developer workflows. Each guide links to a related free Tolvix tool.
Developer
- Free Online Developer Tools: A Practical Workflow
- How to Format JSON Online: A Beginner-Friendly Guide
- How to Minify CSS Safely Before Publishing a Website
- How to Convert CSV Data to JSON Objects
- How to Minify HTML Without Breaking Page Content
- What Is a Base64 Image Data URL and When Should You Use It?
- How to Minify JavaScript Safely Before Deployment
- How to Convert JSON Arrays to CSV for Spreadsheets
- Binary, Decimal and Hexadecimal Numbers Explained
Calculators
- How to Calculate GST in India: Formula, Examples and Online Calculator
- How to Calculate Discounts, Sale Prices and Markups
- How to Calculate Loan EMI in India: Formula and Example
- How to Calculate Percentages: Formulas and Worked Examples
Images
- How to Compress Images Online Without Losing Too Much Quality
- How to Resize Images for Websites: Dimensions and Aspect Ratios
- JPG vs PNG vs WebP: Which Image Format Should You Use?
- Image Cropping vs Resizing: Which Should You Use?
- How to Convert PNG to JPG and Handle Transparency
- How to Merge PDF Files Online
- How to Split a PDF: Extract Pages into Separate Files
- How to Convert PDF Pages to JPG or PNG Images
- How to Convert Images to PDF
- How to Add Page Numbers to a PDF
- How to Add Text to a PDF and Check the Final Layout
- How to View and Edit PDF Metadata
- How to Add a Watermark to a PDF Without Hiding Content
Writing
Text
- How to Remove Duplicate Lines from a Text List
- How to Find and Replace Text Without Changing the Wrong Words
Security
Everyday
SEO, Marketing & Writing
Frequently asked questions
Are Tolvix tools free to use?
The tools listed on Tolvix are available to use without a paid subscription. Individual tools may have file-size, format or browser-compatibility limits; check the instructions on the tool page.
Do I need to create an account?
No account is required to use the tools currently listed on Tolvix.
Are my files uploaded to Tolvix?
Many supported tools process text and files in your browser. Some features rely on third-party services or libraries. Read the privacy note on the individual tool page and the Privacy Policy before using sensitive material.
Can I use Tolvix on a phone?
The website is designed to adapt to smaller screens. Some file formats or advanced operations may work differently depending on your mobile browser and device.