176 tools · no account
Convert, calculate, and check your writing.
Free browser tools for unit conversion, reading grade level, Unix time, calculators, and small coding jobs. No account.
- Runs in this tab
- Free
- No signup
Straight answers
Short versions of questions people look up. Open the tool if you want to run your own number.
What grade level is my writing?
Paste a paragraph. The grade level is a Flesch–Kincaid estimate of the US school grade that can read it comfortably.
What is Unix time?
Seconds since 1 January 1970 UTC. Paste a timestamp or pick a date to convert it.
How to convert kg to pounds
Multiply by 2.2046226218. 70 kg is about 154.32 lb. The same step transfers kg to lbs.
How to convert kg into stone
Divide by 6.35029318. One stone is 14 pounds, so 70 kg is about 11.02 stone.
15 liters is how many gallons?
15 liters is 3.96 US gallons, or 3.30 imperial gallons.
Browse by category
Counts come from the live catalog.
Calculators
28BMI, loans, tips, dates, percentages — the usual stuff.
Student Tools
11GPA, attendance, marks and exam countdown.
Writing & Paraphrasing
23Rewrite and check your own draft. Don't paste someone else's essay.
Image Tools
25Resize, crop and compress photos on your computer.
File Converters
11PDF, JPG, Word and plain text conversions.
Data Tools
6JSON, CSV, XML and YAML. Paste, convert, copy.
Media Tools
9Compress, resize or convert a video you already have.
Unit Converters
34Kg, pounds, °C, miles, liters, MB and GB.
Developer Tools
29JSON, Base64, JWT, regex, hashes and minifiers.
Featured tools
A short list from tools already marked as popular.
BMI Calculator
Height and weight in. BMI and a range out.
Age Calculator
Find your exact age in years, months and days.
Percentage Calculator
Calculate percentages, increase or decrease of values.
GPA Calculator
Calculate your semester GPA from course grades and credits.
Image Resizer
Set a new width and height, then download the file.
JSON Formatter
Pretty-print, check or minify JSON.
KG → LBS
Convert kilograms to pounds.
Paraphrasing Tool
Rewrite your own draft in Standard, Simple, Formal, Academic, Professional or Creative style.
PDF → JPG
Turn each PDF page into a JPG.
Video Compressor
Shrink a video file by lowering resolution and bitrate.
Mortgage Calculator
Home price, down payment, rate and term. Monthly payment and total interest.
GST / VAT Calculator
Add or remove sales tax. Presets for Pakistan, India, UK and a custom rate.
Timezone Converter
Convert a date and time between cities. No live clock API.
Merge PDF
Combine two or more PDFs into one file.
Compress PDF
Rebuild pages as JPEGs to shrink the file. Text stays readable, photos get softer.
HEIC to JPG
Turn an iPhone HEIC photo into a JPG.
Text Compare
See which lines differ between two drafts.
QR Code Generator
Type a URL or some text. Download a PNG.
Password Generator
Random passwords from your browser’s crypto API.
Developer utilities
Formatters, encoders, hashes, timestamps, and validators. Paste, get a result, copy it back.
Open developer toolsJSON Formatter
Pretty-print, check or minify JSON.
Base64 Encoder
Turn text into a Base64 string.
Base64 Decoder
Decode a Base64 string back to text.
URL Encoder
Percent-encode a URL or query string.
URL Decoder
Decode a percent-encoded URL string.
HTML Entity Encoder/Decoder
Escape or unescape HTML entities.
How a tool works
- 01
Open a page
Search or pick a category. One URL, one job.
- 02
Type or drop a file
Numbers, text, a photo, a clip. Most of it stays in this tab.
- 03
Copy or download
Take the result and leave. No account first.
Guides
Short notes next to the tools — formulas, units, and why files stay local.
What stays on your machine
Most converters and editors run in this tab. We do not get a copy of the numbers, drafts, or files you drop in. Ads, if they appear later, pay for hosting. You still get the answer without clicking one.
- Free, no signup
- Works in current browsers
- No social downloaders
- Writing tools are for your drafts