All tools by category
FreeToolHub groups browser-based utilities into practical categories so image tools, PDF tools, developer tools, text tools, calculators, and security utilities can grow in one place.
Image Tools
Convert, compress, resize, crop, remove backgrounds, and edit images locally.
Image converter
Convert PNG, JPG, and WebP images directly in your browser.
Bulk image converter
Convert multiple PNG, JPG, or WebP images at once without uploading them.
Image compressor
Reduce image file size with browser-side quality and resize controls.
Image resizer
Resize images by width and height while keeping files on your device.
Image cropper
Crop an image by exact pixel coordinates and export the result locally.
HEIC converter
Convert HEIC or HEIF images when your browser can decode them locally.
Color palette extractor
Extract a practical color palette from an image in the browser.
Background remover
Remove people/selfie backgrounds with MediaPipe and save a transparent PNG.
Image compositor
Combine a cutout image with a background image in your browser.
Favicon generator
Create common favicon PNG sizes from one image in your browser.
GIF & Video Tools
Create GIFs, compress GIFs, and turn short video clips into shareable files.
PDF Tools
Create and transform PDF files directly in your browser.
Image to PDF
Create a PDF from selected images directly in your browser.
PDF merger
Merge multiple PDF files into one PDF in your browser.
PDF splitter
Extract selected pages from a PDF into a new file.
PDF to images
Render PDF pages to downloadable PNG images locally.
Text Tools
Count, clean, transform, and analyze text quickly.
Word counter
Count words, characters, sentences, paragraphs, and reading time.
Case converter
Convert text to uppercase, lowercase, title case, sentence case, and more.
Slug generator
Create clean URL slugs from titles and phrases.
Lorem ipsum generator
Generate placeholder paragraphs for layouts and mockups.
List sorter
Sort, reverse, deduplicate, and clean line-based lists.
Text diff checker
Compare two blocks of text line by line in your browser.
Duplicate line remover
Remove duplicate lines while keeping or sorting the remaining list.
Line numberer
Add, remove, or format line numbers for pasted text.
Line shuffler
Shuffle lines randomly for lists, draws, and quick randomization.
Text cleaner
Trim spaces, remove blank lines, and normalize spacing in text.
Developer Tools
Format, encode, decode, validate, and generate data for development work.
JSON formatter
Format, minify, and validate JSON locally.
Base64 encoder decoder
Encode and decode Base64 text in the browser.
URL encoder decoder
Encode and decode URL components safely.
HTML entity converter
Escape and unescape HTML entities for safe snippets.
UUID generator
Generate random UUID v4 values with one click.
Timestamp converter
Convert Unix timestamps and ISO dates.
JWT decoder
Decode JWT header and payload without sending tokens anywhere.
Regex tester
Test JavaScript regular expressions against sample text.
Markdown preview
Preview basic Markdown headings, lists, quotes, links, and code blocks.
CSV JSON converter
Convert CSV rows to JSON arrays and JSON arrays back to CSV.
YAML JSON converter
Convert simple YAML objects to JSON and JSON objects to YAML.
XML formatter
Format compact XML into readable indented markup.
HTML formatter
Beautify or minify HTML snippets in your browser.
CSS formatter
Beautify or minify CSS snippets locally.
JavaScript formatter
Beautify or minify JavaScript snippets for quick cleanup.
SEO Tools
Generate metadata, robots files, sitemaps, and content helpers for websites.
Meta tag generator
Generate title, description, Open Graph, and Twitter meta tags.
Robots.txt generator
Create a simple robots.txt file for search engines.
UTM builder
Build campaign URLs with UTM source, medium, campaign, term, and content.
Keyword density checker
Analyze word frequency and keyword density from pasted text.
Title description checker
Check SEO title and meta description length with quick guidance.
Canonical URL generator
Generate canonical link tags and normalized absolute URLs.
Security Tools
Generate passwords, hashes, and browser-only security utilities.
Calculators
Practical calculators for daily, finance, health, and business needs.
BMI calculator
Calculate Body Mass Index with category guidance.
Percentage calculator
Calculate percentages, increases, decreases, and ratios.
Loan calculator
Estimate monthly payments and total interest for a fixed-rate loan.
Age calculator
Calculate age from a birth date in years, months, and days.
Date difference calculator
Calculate days, weeks, months, and years between two dates.
Discount calculator
Calculate sale price, saved amount, and final total after discount.
Compound interest calculator
Estimate future value with principal, rate, years, and compounding.
Tip calculator
Split a bill with tip percentage and number of people.
BMR calculator
Estimate basal metabolic rate using height, weight, age, and sex.
Aspect ratio calculator
Scale width or height while keeping the same aspect ratio.
Unit Converters
Convert length, weight, temperature, data size, time, and more.
Unit converter
Convert length, weight, and volume units.
Temperature converter
Convert Celsius, Fahrenheit, and Kelvin.
Data size converter
Convert bytes, KB, MB, GB, and TB.
Time converter
Convert seconds, minutes, hours, days, weeks, and years.
Utility Tools
Everyday helpers that do not fit neatly into one category.
QR code generator
Generate downloadable QR codes locally in your browser.
Color converter
Convert colors between HEX, RGB, and HSL.
Color contrast checker
Check WCAG contrast ratio between text and background colors.
CSS gradient generator
Create linear CSS gradients with angle and two colors.
Box shadow generator
Generate CSS box-shadow values with live preview.
Random number generator
Generate random integers within a selected range.
Random name picker
Pick one or more random items from a pasted list.
Social Media Tools
Create thumbnails, social images, and media assets for publishing.
Social thumbnail maker
Create simple social thumbnails with preset canvas sizes and title text.
Open Graph image maker
Create a simple 1200x630 Open Graph image with title and subtitle.
YouTube thumbnail maker
Create a 1280x720 thumbnail with custom text and colors.
Instagram image resizer
Resize an image to common Instagram post and story sizes.