Free browser tools & the verified SaaS directory

Every tool you need. Nothing you don’t.

No signup. No limits. No data stored. Every tool runs 100% in your browser — fast, private, and free forever.

SaaS Directory

Independently verified software listings — real pricing, real features, checked against every vendor's live site. Browse all →

Sales Commission Software

Compare verified pricing and features across commission automation platforms.

Subscription Analytics

MRR, churn, and LTV tools compared on verified data — free tiers to enterprise.

AR Automation

Invoice-to-cash platforms compared: dunning, payment portals, cash application.

SaaS Spend Management

Find and cut wasted software spend — discovery, renewals, negotiation.

Word Counter

Count words, characters, sentences & paragraphs. Reading time estimate included.

Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case & more.

Lorem Ipsum Generator

Generate placeholder text — paragraphs, sentences, or words. Perfect for mockups.

Text Repeater

Repeat any text multiple times with custom separators. Great for testing.

Remove Duplicate Lines

Remove duplicate lines from text, sort lines, and clean up data.

Text Compare / Diff

Compare two texts side by side and highlight differences.

Typing Speed Test

Test your typing speed & accuracy. Real-time WPM, multiple durations.

Text to Speech

Convert text to spoken audio. Multiple voices, adjustable speed & pitch.

Slug Generator

Convert text into clean URL-friendly slugs instantly.

Text Sorter

Sort lines of text alphabetically or by length, with optional deduplication.

Text Reverser

Reverse text by characters, words, or lines in one click.

Find and Replace

Find and replace words or phrases in text directly in your browser.

Line Counter

Count total lines, non-empty lines, words, and characters for any block of text.

Random Picker

Pick one or more random items from a list.

Email Extractor

Extract email addresses from any block of text and remove duplicates.

URL Extractor

Extract links and URLs from raw text with duplicate removal.

Unicode Normalizer

Normalize text into NFC, NFD, NFKC, or NFKD Unicode forms.

Whitespace Cleaner

Trim lines, remove extra blank lines, and collapse repeated spaces.

JSON Formatter & Validator

Format, validate, and minify JSON. Tree view included.

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back to text instantly.

URL Encode / Decode

Encode or decode URLs. Handle special characters safely.

Password Generator

Generate strong, secure passwords with custom length and character sets.

Hash Generator (MD5/SHA)

Generate MD5, SHA-1, SHA-256, SHA-512 hashes from any text.

Regex Tester

Test regular expressions in real-time with match highlighting.

HTML/CSS/JS Minifier

Minify HTML, CSS, and JavaScript code to reduce file size.

Color Converter

Convert between HEX, RGB, HSL color formats with live preview.

QR Code Generator

Generate QR codes for URLs, text, WiFi & more. Download as PNG.

JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload & expiry.

Image to Base64

Convert images to Base64 strings for embedding in HTML, CSS, or JSON.

CSS Gradient Generator

Design beautiful gradients with a visual editor and get copy-ready CSS.

Meta Tag Generator

Generate SEO meta tags, Open Graph & Twitter Cards with live preview.

UUID Generator

Generate random UUIDs (v4) instantly. Bulk generate, copy with one click.

Color Palette Generator

Generate beautiful color palettes. Extract colors from images.

XML Formatter

Format and pretty-print XML with indentation and line breaks.

SQL Formatter

Format SQL queries with basic keyword highlighting style and line breaks.

HTML Entity Encoder / Decoder

Encode text into HTML entities or decode entities back into text.

URL Parser

Break any URL into protocol, hostname, path, query params, hash, and origin.

Query String Parser

Parse query strings into readable key-value output or JSON.

Cron Expression Builder

Build cron expressions from simple interval fields and see a readable schedule.

Robots.txt Generator

Generate a clean robots.txt file with user-agent, allow/disallow rules, and sitemap URLs.

Sitemap XML Generator

Turn a list of URLs into valid sitemap.xml output.

Color Contrast Checker

Check contrast ratio between foreground and background colors for accessibility.

HTTP Status Lookup

Look up HTTP status codes and their meaning instantly.

Percentage Calculator

Calculate percentages, percentage change, and more in one tool.

Age Calculator

Calculate exact age in years, months, and days from any date.

BMI Calculator

Calculate Body Mass Index with health category breakdown.

Loan / EMI Calculator

Calculate monthly EMI, total interest, and amortization schedule.

Mortgage Calculator

Calculate monthly mortgage payments, total interest & amortization schedule.

Countdown Timer & Stopwatch

Set countdown timers with alerts and record lap times. Works offline.

Compound Interest Calculator

Calculate compound growth using principal, rate, years, and compounding frequency.

Simple Interest Calculator

Calculate simple interest from principal, rate, and time.

Discount Calculator

Calculate sale price and savings from a discount percentage.

Tip Calculator

Calculate tip amount and total bill quickly.

Split Bill Calculator

Split a bill evenly across a group, including optional tip.

Body Fat Calculator

Estimate body fat percentage using the U.S. Navy formula.

Pace Calculator

Calculate pace per kilometre or mile from distance and total time.

Calorie Calculator

Estimate daily calorie needs with the Mifflin-St Jeor formula.

VAT Calculator

Add or remove VAT from any amount.

Loan to Value Calculator

Calculate loan-to-value ratio for mortgages and secured loans.

Image Compressor

Compress PNG, JPG & WebP images up to 80% smaller. Free TinyPNG alternative.

Image Resizer

Resize images by exact pixels or percentage. Lock aspect ratio, batch resize.

Image Format Converter

Convert between PNG, JPG, WebP & BMP formats. Batch convert with previews.

Image Cropper

Visual crop editor with aspect ratio presets, rotate & flip. Powered by Cropper.js.

Background Remover

Remove image backgrounds instantly using AI. Free, private, no upload.

HEIC to JPG

Convert iPhone HEIC/HEIF photos to JPG or PNG. Batch convert supported.

Image to Text (OCR)

Extract text from images & screenshots using AI-powered OCR.

Screen Recorder

Record your screen, window, or tab with audio. No install needed.

Merge PDF

Combine multiple PDFs into one document. Drag to reorder pages.

Split PDF

Extract specific pages or split a PDF into individual pages.

Images to PDF

Combine multiple images into a single PDF. Drag to reorder, choose page size.

PDF to Images

Convert every PDF page to high-quality JPG or PNG images.

Compress PDF

Reduce PDF file size by compressing page content. Free, private, in-browser.

Sign PDF

Add your signature to any PDF — draw, type, or upload. Free and private.

Unit Converter

Convert length, weight, temperature, speed, and more.

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates.

Number Base Converter

Convert between binary, octal, decimal, and hexadecimal.

Markdown to HTML

Write Markdown and see live HTML preview. Copy or download result.

CSV to JSON Converter

Convert CSV data to JSON format instantly. Upload or paste your CSV.

JSON to CSV Converter

Convert JSON arrays to CSV. Handles nested objects, custom delimiters.

Roman Numeral Converter

Convert between Roman numerals and standard numbers.

ASCII Converter

Convert text to ASCII codes or ASCII codes back to text.

Binary Text Converter

Convert plain text to binary or binary back to text.

Hex Text Converter

Convert text to hexadecimal or hex values back into text.

List to JSON Converter

Turn a line-by-line list into a JSON array.

JSON to List Converter

Convert JSON arrays into line-by-line lists.

Query String Builder

Build encoded query strings from key=value lines.

Timezone Converter

Convert a date and time between UTC and common world timezones.

REM to PX Converter

Convert between REM and PX values using a custom root font size.

Markdown Table Generator

Turn CSV or tab-separated rows into a Markdown table.

Invoice Generator

Create professional invoices with logo, line items & PDF export.

Resume Builder

Build a clean, ATS-friendly resume and export to PDF instantly.

Work Hours Calculator

Calculate hours worked between start and end times with break deductions.

Overtime Calculator

Calculate overtime hours and pay above a standard shift length.

Hourly Rate Calculator

Convert salary or project income into an hourly rate.

Commission Calculator

Calculate commission earnings from sales volume and commission rate.

Profit Margin Calculator

Calculate gross profit and margin percentage from revenue and cost.

Break-Even Calculator

Calculate how many units you need to sell to break even.

Markup Calculator

Calculate selling price from cost and markup percentage.

Meeting Cost Calculator

Estimate how much a meeting costs based on attendees, hourly rate, and duration.

Salary Converter

Convert salary figures between hourly, weekly, monthly, and yearly values.

Invoice Due Date Calculator

Calculate invoice due dates based on issue date and payment terms.

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What Is ToolMasta?

ToolMasta is a free collection of over 100 browser-based utilities for everyday tasks — text editing, image processing, PDF manipulation, developer tools, and financial calculators. Every tool runs entirely in your browser using JavaScript and Web APIs. No files are uploaded, no accounts are required, and no personal data is collected or stored on any server.

The project was built to solve a simple problem: most "free" online tools either plaster your screen with intrusive ads, require an account, or quietly upload your data to their servers. ToolMasta takes a different approach — every tool is genuinely free, works offline after the page loads, and respects your privacy by design. Whether you need to compress an image, format JSON, generate a strong password, or calculate a mortgage payment, the tool loads instantly and works without friction.

Who Is This For?

ToolMasta serves developers debugging code, designers converting colours, writers checking word counts, students calculating percentages, freelancers generating invoices, and anyone who needs a quick utility without installing software. The tools are grouped into categories above — or use the search box at the top to find exactly what you need.