100 free tools and counting

Free Online Tools
for Everyone

Toolerax is a growing collection of free, fast and private online tools — PDF, image, text, developer and calculator utilities that work right in your browser.

Browse all tools

Word Counter

Count words, characters, sentences & reading time.

Case Converter

UPPERCASE, lowercase, Title, camelCase & more.

JSON Formatter

Beautify, minify & validate JSON instantly.

Base64 Encode / Decode

Encode & decode Base64 text instantly.

URL Encode / Decode

Percent-encode & decode URLs and query strings.

Password Generator

Create strong, secure, random passwords.

Lorem Ipsum Generator

Generate placeholder dummy text instantly.

Hash Generator

MD5, SHA-1, SHA-256 & SHA-512 hashes.

Text Diff Checker

Compare two texts and highlight differences.

Remove Duplicate Lines

Remove duplicate & empty lines from text.

Text Sorter

Sort lines A–Z, by length, reverse or shuffle.

UUID Generator

Generate random UUID / GUID v4 in bulk.

Slug Generator

Turn titles into clean, SEO-friendly URL slugs.

JWT Decoder

Decode JWT header & payload instantly.

HTML Encode / Decode

Escape & unescape HTML entities.

Percentage Calculator

Find percentages, changes & ratios instantly.

Age Calculator

Calculate exact age in years, months & days.

BMI Calculator

Check your Body Mass Index & weight category.

Loan / EMI Calculator

Estimate monthly EMI, interest & total cost.

Tip Calculator

Work out the tip and split the bill fairly.

Date Difference Calculator

Count days, weeks & months between two dates.

Unit Converter

Convert length, weight, volume, area, speed & data.

Temperature Converter

Convert Celsius, Fahrenheit & Kelvin instantly.

Color Converter

Convert HEX, RGB & HSL with a live preview.

CSV to JSON Converter

Convert CSV to JSON and JSON back to CSV.

Epoch / Unix Timestamp Converter

Convert Unix timestamps to dates and back.

Image Resizer

Resize images by pixels or percentage.

Image Compressor

Reduce image file size with a quality slider.

Image Converter

Convert between PNG, JPG and WebP.

Image to Base64

Encode images as Base64 data URIs.

Background Remover

Remove image backgrounds automatically with AI.

Image Cropper

Crop images to any size or aspect ratio.

Merge PDF

Combine multiple PDFs into one file.

Split PDF

Extract pages or split a PDF into files.

JPG to PDF

Convert JPG & PNG images into a PDF.

Rotate PDF

Rotate PDF pages 90°, 180° or 270°.

Delete PDF Pages

Remove unwanted pages from a PDF.

Time Zone Converter

Convert & compare time across world time zones.

Number Base Converter

Convert binary, octal, decimal & hex instantly.

Random Number Generator

Generate random numbers in any range.

Data Storage Converter

Convert bytes, KB, MB, GB, TB & bits.

Roman Numeral Converter

Convert numbers to Roman numerals & back.

Aspect Ratio Calculator

Keep proportions when resizing width & height.

Discount Calculator

Find sale price and how much you save.

Text to Binary Converter

Convert text to binary code and back.

Regex Tester

Test regex with live match highlighting.

Word Frequency Counter

Find your most-used words & keyword density.

Reading Time Calculator

Estimate reading & speaking time for any text.

QR Code Generator

Make QR codes for URLs, WiFi, text & more.

Meta Tag Generator

Generate SEO, Open Graph & Twitter meta tags.

CSS Gradient Generator

Build linear & radial CSS gradients visually.

Color Palette Generator

Generate tints, shades & matching color schemes.

Calorie Calculator

Estimate daily calories (TDEE) & BMR.

Cron Expression Parser

Explain cron schedules & preview next runs.

JSON to CSV

Turn JSON arrays into CSV or TSV instantly.

URL Parser

Split a URL into host, path, query & hash.

Color Contrast Checker

Test color contrast against WCAG AA & AAA.

CSS Box Shadow Generator

Design CSS box-shadows with a live preview.

Markdown to HTML

Convert Markdown to HTML with live preview.

UTM Link Builder

Build trackable campaign URLs with UTM tags.

Find and Replace

Find & replace text, with regex support.

Reverse Text

Reverse letters, words or lines instantly.

Text Repeater

Repeat text any number of times.

Remove Line Breaks

Strip line breaks & extra whitespace.

Compound Interest Calculator

Project savings growth with compound interest.

Sales Tax Calculator

Add or remove sales tax / VAT from a price.

Body Fat Calculator

Estimate body fat % (U.S. Navy method).

GPA Calculator

Calculate your weighted GPA on a 4.0 scale.

Morse Code Translator

Translate text to Morse code and back.

Number to Words

Spell out numbers in words or currency.

Robots.txt Generator

Build a valid robots.txt for your site.

XML Sitemap Generator

Turn a URL list into a valid sitemap.xml.

SERP Snippet Preview

Preview your Google search result snippet.

Open Graph Preview

Preview social share cards & get OG tags.

Keyword Density Checker

Check 1, 2 & 3-word keyword density.

Mortgage Calculator

Monthly payment, interest & total cost.

Fraction Calculator

Add, subtract, multiply & divide fractions.

Average Calculator

Mean, median, mode, range & sum of a list.

Standard Deviation Calculator

Sample & population SD, variance & mean.

Grade Calculator

Weighted course grade & needed final score.

Hourly to Salary Calculator

Hourly wage ↔ annual salary, both ways.

Due Date Calculator

Estimate your due date & current week.

Fuel Cost Calculator

Trip fuel needed, cost & per-person split.

Military Time Converter

24-hour ↔ 12-hour AM/PM, with chart.

Height Converter

Feet & inches ↔ centimeters instantly.

Cooking Converter

Cups, tbsp, ml, grams & oz — converted.

Fancy Text Generator

Unicode fonts to copy-paste anywhere.

Base64 to Image

Decode Base64 into a viewable image.

XML Formatter

Beautify, minify & validate XML.

YAML to JSON

Convert YAML ↔ JSON with validation.

CSS Minifier

Compress CSS & see bytes saved.

Barcode Generator

Make CODE128, EAN, UPC barcodes — free.

Image Color Picker

Click a photo to get HEX, RGB & HSL.

Rotate Image

Rotate 90/180/270° or flip any photo.

Add Text to Image

Put captions or labels on any photo.

PDF Watermark

Stamp text watermarks on every page.

PDF Page Numbers

Number PDF pages in any position.

Reorder PDF Pages

Move PDF pages into any order.

Schema Markup Generator

Build JSON-LD structured data fast.

Password Strength Checker

Entropy, crack time & weakness checks.