ToolFlip — Free Online Tools & Utilities

New This Week

Schema Markup Generator

Generate JSON-LD structured data for Article, FAQ, Product, LocalBusiness, and HowTo schemas

Text Tools

Word Counter

Check word count, reading time, and character stats as you type

Paste your draft and see the word count, character count, sentence count, paragraph count, and estimated reading time update on every keystroke. Googl…

Character Counter

Track character count against Twitter/X, SMS, and custom limits

Case Converter

Switch text between 8 case formats in one click

Lorem Ipsum Generator

Generate paragraphs, sentences, or exact word counts of placeholder text

Text to Slug Converter

Turn any title or phrase into a URL-safe slug

Readability Checker

Analyze text readability with Flesch-Kincaid, Gunning Fog, and Coleman-Liau scores

Reading Time Calculator

Estimate reading and speaking time with adjustable WPM

Email Subject Line Tester

Score subject lines on spam triggers, length, and engagement signals

Keyword Density Checker

Analyze keyword density across 1-gram, 2-gram, and 3-gram phrases

Developer Tools

JSON Formatter & Validator

Paste messy JSON, get clean indented output

Someone just sent you a 400-line JSON blob with no whitespace. Paste it here. You'll get indented, syntax-highlighted output in under a second. The va…

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to readable text

URL Encoder / Decoder

Percent-encode text for URLs or decode %20-style strings back to readable text

Unix Timestamp Converter

Translate Unix timestamps to readable dates and back

Regex Tester

Type a regex pattern and see matches highlighted instantly in your test string

Markdown to HTML Converter

Turn Markdown into clean, sanitized HTML with GFM support

Hash Generator

Compute SHA-1, SHA-256, and SHA-512 hashes from text or files

Diff Checker

Paste two texts and see every addition, deletion, and change highlighted

UUID Generator

Generate v4 UUIDs with batch support and format options

JWT Decoder

Paste a JWT and see its header, payload, and expiration decoded

Cron Expression Generator

Build cron expressions visually or decode existing ones to plain English

HTML Minifier

Strip whitespace, comments, and redundant attributes from HTML

CSS Minifier

Compress CSS by stripping whitespace, comments, and shortening values

JavaScript Minifier

Strip whitespace and comments from JavaScript without changing behavior

Color Palette Generator

Build color palettes using six harmony modes and export to CSS or Tailwind

WCAG Color Contrast Checker

Test foreground/background color pairs against WCAG AA and AAA contrast thresholds

Meta Tag Generator

Generate title, description, Open Graph, and Twitter Card tags from one form

.htaccess Redirect Generator

Generate Apache .htaccess redirect rules from URL pairs

Robots.txt Generator

Build robots.txt rules visually with presets for AI bot blocking

SERP Preview Tool

Preview how your title and description will appear in Google search results

Schema Markup Generator

Generate JSON-LD structured data for Article, FAQ, Product, LocalBusiness, and HowTo schemas

Image Tools

Image Resizer & Compressor

Resize dimensions, compress quality, export as JPEG/PNG/WebP

Your blog's hero image is 4.2 MB and Google PageSpeed is flagging it. Drop it here, set the width to 1200px and quality to 80%, and download a 95 KB W…

HEIC to JPG Converter

Convert iPhone HEIC photos to universally compatible JPG

Converters

Hex to RGB Color Converter

Convert between hex, RGB, and HSL color codes

Your designer sent #4F46E5 and your CSS needs rgb(). Paste the hex code here and get the RGB and HSL equivalents in one view -- or go the other direct…

Unit Converter

Convert length, weight, temperature, volume, and more

Aspect Ratio Calculator

Find the ratio for any dimensions or resize with locked proportions

JSON to CSV Converter

Paste a JSON array, download a clean CSV

Generators

Password Generator

Create cryptographically random passwords with adjustable length and character types

Signing up for a new service and need a password that is not "password123"? Set the length from 4 to 128 characters, toggle uppercase, lowercase, numb…

QR Code Generator

Create QR codes for URLs, Wi-Fi, vCards, and plain text

CSS Gradient Generator

Build linear and radial CSS gradients with a visual editor

Invoice Generator

Generate branded PDF invoices with line items, tax, and logo

Calculators

BMI Calculator

Check your body mass index from height and weight

Plug in your height and weight to see where you land on the BMI scale. The formula is straightforward: weight in kilograms divided by height in meters…

Age Calculator

Find your exact age in years, months, and days from any date of birth

Percentage Calculator

Find X% of Y, what percent X is of Y, or the change between two values

Mortgage Calculator

Estimate monthly mortgage payments and view the full amortization schedule

Compound Interest Calculator

Project how savings or investments grow with compound interest over time

Salary Calculator

Convert between annual, monthly, bi-weekly, weekly, and hourly pay

Loan / EMI Calculator

Calculate monthly EMI for personal, auto, or student loans

Tip Calculator

Figure out the tip, total bill, and per-person split

GPA Calculator

Figure out your cumulative GPA on a 4.0 scale

Calorie Calculator

Calculate daily calorie needs based on your stats

US Federal Tax Calculator

Estimate your US federal income tax

Date Difference Calculator

Find days, weeks, months, and business days between any two dates

Discount Calculator

Calculate sale prices and compare discount levels

Fuel Cost Calculator

Calculate gas cost for any trip distance

Time Zone Converter

Convert a date and time between any two time zones

Fraction Calculator

Do fraction arithmetic with step-by-step solutions

Standard Deviation Calculator

Get mean, variance, and standard deviation from any data set

Square Footage Calculator

Measure rooms and total up the square footage

Unit Price Calculator

Compare prices per unit to find the best deal

PDF Tools

Merge PDF

Combine multiple PDF files into one document

Merge multiple PDF files into a single document instantly with this free online PDF merger. Upload your PDFs, drag to reorder, and download one combin…

Compress PDF

Strip metadata and rebuild PDFs to cut file size without quality loss

PDF to JPG

Turn each PDF page into a numbered, high-resolution JPG

JPG to PDF

Bundle JPG images into a single multi-page PDF

Split PDF

Pull specific pages or ranges out of a PDF

Rotate PDF

Fix sideways or upside-down PDF pages with a metadata-only rotation

PDF Page Reorder

Visual drag-and-drop page rearrangement for PDFs

Tool of the Week

One free tool deep-dive, one tip, and new tool announcements. Delivered every Tuesday.

Tools that just work.

New This Week

Schema Markup Generator

Text Tools

Word Counter

Character Counter

Case Converter

Lorem Ipsum Generator

Text to Slug Converter

Readability Checker

Reading Time Calculator

Email Subject Line Tester

Keyword Density Checker

Developer Tools

JSON Formatter & Validator

Base64 Encoder / Decoder

URL Encoder / Decoder

Unix Timestamp Converter

Regex Tester

Markdown to HTML Converter

Hash Generator

Diff Checker

UUID Generator

JWT Decoder

Cron Expression Generator

HTML Minifier

CSS Minifier

JavaScript Minifier

Color Palette Generator

WCAG Color Contrast Checker

Meta Tag Generator

.htaccess Redirect Generator

Robots.txt Generator

SERP Preview Tool

Schema Markup Generator

Image Tools

Image Resizer & Compressor

HEIC to JPG Converter

Converters

Hex to RGB Color Converter

Unit Converter

Aspect Ratio Calculator

JSON to CSV Converter

Generators

Password Generator

QR Code Generator

CSS Gradient Generator

Invoice Generator

Calculators

BMI Calculator

Age Calculator

Percentage Calculator

Mortgage Calculator

Compound Interest Calculator

Salary Calculator

Loan / EMI Calculator

Tip Calculator

GPA Calculator

Calorie Calculator

US Federal Tax Calculator

Date Difference Calculator

Discount Calculator

Fuel Cost Calculator

Time Zone Converter

Fraction Calculator

Standard Deviation Calculator

Square Footage Calculator

Unit Price Calculator

PDF Tools

Merge PDF

Compress PDF

PDF to JPG

JPG to PDF

Split PDF

Rotate PDF

PDF Page Reorder

Tool of the Week

Tool of the Week