100+ free tools.
Zero friction.
Every tool runs in your browser. No account. No upload. No noise.
Word Counter
Count words, characters, sentences and paragraphs.
Lorem Ipsum
Generate placeholder text in any quantity.
Case Converter
UPPER, lower, Title, Sentence, camelCase, snake_case.
Find & Replace
Bulk find and replace with regex support.
Duplicate Remover
Remove duplicate lines from any text block.
Readability Score
Flesch-Kincaid readability analysis.
Line Sorter
Sort, reverse, shuffle or number lines of text.
Text Diff
Compare two texts and highlight the differences.
Markdown Preview
Write Markdown and see the live HTML preview.
Percentage Calc
% of, % change, % difference — all three modes.
Roman Numerals
Convert numbers to and from Roman numerals.
Base Converter
Binary, octal, decimal and hex — all at once.
Calculator
Scientific calculator with keyboard support.
Age Calculator
Calculate exact age in years, months and days.
Date Difference
Days, weeks, months between any two dates.
Loan Calculator
Monthly payment, total interest and full schedule.
Tip Calculator
Split bills and calculate tip per person.
BMI Calculator
Body mass index with metric and imperial inputs.
VAT Calculator
Add or remove VAT from any price instantly.
Discount Calculator
Final price and savings after any discount.
Mortgage Calculator
Monthly payment, total interest and amortisation table.
Compound Interest
Final balance and interest earned with compound growth.
Calorie Calculator
Daily calorie needs (TDEE) using Mifflin–St Jeor.
GST Calculator
Add or remove GST. Shows CGST + SGST split.
EMI Calculator
Monthly EMI, total interest and repayment schedule.
GPA Calculator
Calculate GPA from course grades and credit hours.
Inflation Calculator
Compare purchasing power across years using US CPI.
Base64
Encode strings to Base64 or decode Base64 back.
URL Encoder
Encode or decode URL-safe strings instantly.
JSON Formatter
Prettify, minify and validate JSON data.
Hash Generator
SHA-1, SHA-256, SHA-512 hashes — runs locally.
Regex Tester
Live regex matching with match highlights and groups.
UUID Generator
Generate v4 UUIDs using crypto.randomUUID().
JWT Decoder
Decode and inspect JSON Web Token header and payload.
CSV to JSON
Convert CSV data to a JSON array instantly.
JSON to CSV
Convert a JSON array to CSV format.
Unit Converter
Length, weight, temperature, speed.
Weight Converter
kg, lb, oz, g, stones — all conversions at once.
Data Size
Bytes, KB, MB, GB, TB, PB conversions.
Timestamp
Unix timestamp ↔ human-readable date conversion.
Timezone Converter
Convert time between world timezone-converters instantly.
Country Lookup
Flag, capital, currency and dial code for any of 195+ countries.
Dial Code Finder
International phone dialling codes for all 195+ countries.
Currency Converter
Live exchange rates. Convert between 30+ currencies.
Color Converter
HEX ↔ RGB ↔ HSL conversion.
Password Generator
Strong, random passwords with strength meter.
QR Code Generator
Create QR codes for any URL or text.
Contrast Checker
WCAG AA/AAA colour contrast ratio checker.
Image Resizer
Resize images in your browser. No upload needed.
Built for speed.
Designed for focus.
Every tool on raw.tools runs entirely inside your browser. Nothing is uploaded to a server. No tracking. No accounts. No paid tiers. Just open a tool and use it.
- No sign-up required, ever
- All processing stays on your device
- Works offline once the page is loaded
- New tools added regularly
Text Tools
Our free text tools cover the most common writing and editing tasks. The word counter gives you words, characters, sentences, paragraphs and estimated reading time in real time. The case converter handles UPPER, lower, Title, Sentence, camelCase, snake_case and kebab-case in a single click. The find and replace tool supports full regular expressions. The duplicate line remover, line sorter, and text diff tool round out the set for developers and writers alike.
Developer Tools
The developer toolkit includes a Base64 encoder and decoder, a URL encoder and decoder, a JSON formatter that prettifies and minifies, a regex tester with live match highlighting, a UUID v4 generator using crypto.randomUUID(), a hash generator for SHA-1, SHA-256 and SHA-512 via the Web Crypto API, and a QR code generator that creates scannable codes from any URL or text — all without transmitting your data.
Converters
Convert between any unit quickly. The unit converter covers length, weight, temperature and speed. The weight converter shows all units simultaneously — kg, lb, oz, g, stone, metric ton. The data size converter goes from bytes to petabytes. The timestamp converter translates Unix timestamps to human-readable dates and back. The base converter shows binary, octal, decimal and hex side by side.
FAQ
- Are these tools really free?
- Yes — every tool is free with no usage limits and no paid tier.
- Do I need an account?
- No. Open any tool and use it immediately, no sign-up required.
- Is my data safe?
- All processing runs in your browser. Nothing is sent to our servers.
- Do tools work offline?
- Yes. Once the page has loaded the tools continue to work without internet.