ToolPilot

0+ free online tools for text

No data transfer. Everything runs in your browser.

105+

Free tools

Popular tools

Popular

Word Counter

Count words, characters, sentences and paragraphs

Popular

JSON Formatter

Format, validate and beautify JSON

Popular

Password Generator

Generate strong, secure passwords

Popular

BMI Calculator

BMI with visual gauge, WHO category, normal range

Popular

Percentage Calculator

Calculate percentages easily

Popular

Universal Unit Converter

Length, mass, area and more

Popular

Image Compressor

Compress JPEG/PNG/WebP with preview

Practical

Percentages, conversions, quick everyday calculations · 3 tools

Percentage Calculator

Popular

Calculate percentages easily

Email Signature Generator

Create professional HTML email signatures

Universal Unit Converter

Popular

Length, mass, area and more

Text

Counter, formatter, extractor, and text manipulator · 12 tools

Word Counter

Popular

Count words, characters, sentences and paragraphs

Text Diff

Compare two texts and see the differences

Find and Replace

Search and replace with regex support

Reading Counter

Reading time and Flesch difficulty index

Text Cleaner

Clean spaces, empty lines, and special characters

Line Deduplicator

Remove duplicates, keep order or sort

Email/URL Extractor

Extract emails, phones, and URLs from text

Slug Generator

Turn a title into an SEO-friendly slug

French Title Case

French-style capitalization with exceptions

Token Counter

Estimate tokens for AI prompts

Text Truncator

Truncate to N chars/words, keep full sentences

Text Anonymizer

Mask emails, phones and numbers automatically

Converters

Convert units, formats, and encodings in one click · 1 tools

Temperature Converter

Celsius, Fahrenheit, Kelvin

Generators

QR codes, Lorem Ipsum, UUIDs and more · 2 tools

QR Code & 2D Code Generator

QR Code, Data Matrix, PDF417, Aztec, MaxiCode

Barcode Generator

EAN, UPC, Code 128, ITF-14, Code 39, Codabar...

Fitness & Sports

Macros, RM, heart rate zones, and training plans · 3 tools

1RM Calculator

Estimated max load via Epley, Brzycki and more

Heart Rate Zone Calculator

HR zones 1-5 using Karvonen, age and resting HR

VO2max Calculator

VO2max via Cooper test or resting heart rate

Health & Body

BMI, calories, hydration, and body assessments · 7 tools

BMI Calculator

Popular

BMI with visual gauge, WHO category, normal range

Ideal Weight Calculator

6 formulas compared: Lorentz, Devine, Robinson, Miller, Hamwi, Creff

Calorie Burn Calculator

Calories burned per activity (MET), daily total

Weight Loss Calculator

Time to reach goal at X kcal/day deficit

Basal Metabolic Rate Calculator (BMR)

BMR via Harris-Benedict, Mifflin-St Jeor, Katch-McArdle

TDEE Calculator

Total daily energy expenditure by activity level

Macro Calculator

Protein/carbs/fat distribution by goal

Psychology & Tests

Personality, cognitive, and well-being tests · 10 tools

Big Five Personality Test (OCEAN)

The 5 major personality traits (gold-standard scientific model)

Simplified MBTI Test (16 Personalities)

What is your MBTI type among the 16 personalities?

Enneagram Test (9 Types)

Discover your type among the 9 Enneagram profiles

Stress Level Test (PSS-10)

Perceived Stress Scale in 10 scientifically validated questions

Anxiety Test (GAD-7)

GAD-7 anxiety scale used by healthcare professionals

Depression Test (PHQ-9)

PHQ-9 questionnaire for screening depressive symptoms

Burnout Test (simplified Maslach)

Exhaustion, cynicism, efficacy — the 3 dimensions of burnout

Emotional Intelligence Test

Self-awareness, empathy, emotion management — your EQ profile

Chronotype Test

Are you a morning or evening person? Owl vs lark

Reaction Time Test

Click as fast as possible — measure your reflexes in ms

Images & Media

Compression, conversion, cropping, and extraction · 5 tools

Images

Image Compressor

Popular

Compress JPEG/PNG/WebP with preview

Image Format Converter

PNG, JPG, WebP conversion

Image Resizer

Resize images (px / %)

Image Cropper (Social Media)

Crop for social media formats

EXIF Metadata Remover

Remove EXIF for privacy

Marketing & Content

ROI, conversion rates, A/B tests, and CTR · 5 tools

Headline & Hook Generator

Compelling headlines & hooks

CAC / LTV / Payback Calculator

CAC, LTV, ratio & payback

Funnel Impact Calculator

Funnel impact simulator

Engagement Rate Calculator

Engagement rate for Instagram/TikTok/YouTube

A/B Test Sample Size Calculator

Calculate A/B test sample size

SEO & Web

Meta tags, robots.txt, sitemap, and technical audit · 5 tools

robots.txt Generator

Create a robots.txt with presets

Schema.org JSON-LD Generator

Structured data JSON-LD tags

SERP Snippet Analyzer

Google snippet preview mobile/desktop

UTM Builder + QR Code

Tracked URL + QR code

Dead Link Checker

Test URLs (404, errors)

Design & CSS

Colors, gradients, shadows, and CSS tools · 7 tools

Color Converter

Convert between HEX, RGB, HSL

Typographic Units Converter

Convert between px, rem, em, pt

Palette Generator

Harmonious palettes (HSL)

WCAG Contrast Checker

Contrast ratio AA/AAA

CSS Gradient Builder

CSS gradients with preview

CSS Box Shadow Generator

CSS shadows with sliders

SVG Optimizer

Clean & minify SVG

Security & Encryption

Passwords, hashing, encryption, and certificates · 12 tools

Password Generator

Popular

Generate strong, secure passwords

Base64 Encoder/Decoder

Encode and decode Base64 strings

Hash Generator

Generate SHA-1, SHA-256, SHA-512 hashes

JWT Decoder

Decode JWT header and payload

Passphrase Generator

Secure Diceware passphrases FR/EN

Password Strength Checker

Password strength + tips

SHA-512 & HMAC

SHA-512 hash + HMAC signing

AES-GCM Encryption

Encrypt/decrypt text (AES-GCM)

RSA Key Generator

RSA keys + PEM export

PEM Certificate Viewer

Parse PEM/X.509 certificate

Base64url Encoder/Decoder

Base64url encode/decode URL-safe

TOTP / 2FA Generator

Temporary 2FA codes (TOTP)

Developer

Formatters, minifiers, testers, and code converters · 19 tools

Lorem Ipsum Generator

Generate placeholder text

JSON Formatter

Popular

Format, validate and beautify JSON

URL Encoder/Decoder

Encode and decode URL strings

Markdown Preview

Write and preview Markdown in real time

UUID Generator

Generate random UUIDs

Unix Timestamp Converter

Convert Unix timestamps to dates

CSS Minifier

Minify CSS to reduce file size

JSON to CSV / Table

Convert JSON to CSV with download

CSV Viewer

View, validate and explore your CSV files

YAML / JSON Converter

Convert between YAML and JSON

SQL Formatter

Format and beautify your SQL queries

JavaScript Minifier

Minify JavaScript to reduce file size

Regex Tester

Test your regex with live matches

Cron Parser

Explain a cron expression and its next executions

JSON Diff

Compare two JSON objects and see the differences

GraphQL Formatter

Format your GraphQL queries

Unicode Inspector

Inspect codepoints and Unicode normalizations

Side-by-Side Code Diff

Code diff with syntax highlighting

cURL Converter

cURL → fetch/axios and back

Statistics & Probability

Mean, variance, distributions, and confidence intervals · 3 tools

Descriptive Statistics

Mean, median, mode, variance, standard deviation

Linear Regression

Slope, intercept, R² and predictions

Probability Calculator

Basic probability calculations

Algebra & Analysis

Equations, matrices, analysis, and number theory · 1 tools

Nerd Numbers

Number Base Converter

Convert between binary, hex, decimal, octal

Fun & Curiosities

Quirky calculations about your body, time, and space · 10 tools

Your Body

Heartbeat Calculator

Heartbeats since birth and estimated remaining

Your Time

Remaining Weekends in Your Life

How many weekends do you have left statistically

Space

Space Distance Calculator

Distance traveled through space (rotation + orbit)

Planetary Age Calculator

Your age on Mars, Jupiter, Saturn and other planets

Your Weight on Each Planet

How much do you weigh on Mars, Jupiter, the Moon or the Sun

Travel Time to Mars

Time to reach Mars by car, plane or rocket

Speed of Light in Real Life

Distance light travels during an everyday action

Nature & Comparisons

How Many Ants to Lift You

Number of ants needed to lift your weight

Your Speed vs Animals

Compare your running speed to a cheetah, snail or falcon

Your Life

Dream Calculator

Number of dreams since birth

Why use ToolPilot?

100% free — All tools are free, with no hidden fees or premium subscriptions.
No sign-up required — Use any tool instantly without creating an account.
Privacy first — All processing happens in your browser. We never store your data. Your files and information stay on your computer or smartphone.
Fast and reliable — Lightweight tools that load instantly and work offline.