SimpleToolset
Runs directly in your browser.
No upload required.
Popular tools
Fast picks people use every day.
Image Compressor
Compress images to reduce file size without losing quality
Merge PDF
Combine multiple PDF files into one document
Image to WebP Converter
Convert JPG/PNG images to WebP for smaller file sizes
Image Background Remover (Basic)
Remove simple backgrounds by color using a tolerance slider
QR Code Generator
Create QR codes for URLs, text, or contact information
Word & Character Counter
Count words, characters, sentences, and paragraphs in your text
Password Generator
Create strong, secure passwords with custom options
Metric to Imperial Converter
Convert metric and imperial units for length, mass, and volume
By goal
Jump straight to the outcome you need.
Compress Images for Faster Pages
Reduce image size without noticeable quality loss. Learn when to compress, which formats to use, and try free tools for faster page loads.
Image Compressor
Organize PDFs Without Uploading
Organize PDFs quickly: combine multiple files, split pages, or rotate documents. Use free in-browser tools that keep files private.
Merge PDF
Reduce Image Size Without Losing Quality
Reduce image file size without visible quality loss. Learn the best formats and settings, then compress images in your browser with free tools.
Image Compressor
Image Optimizer for Website Speed
Optimize images to speed up your website and improve Core Web Vitals. Use a simple checklist and free tools to compress and resize images properly.
Image Compressor
Convert and Compress Images to WebP
Convert JPG and PNG images to WebP and compress them for smaller file sizes. Learn why WebP is better for websites and how to optimize images properly.
WebP to PNG/JPG Converter
New & recently updated
Fresh additions and improvements.
AcFun Video Downloader
Get download links from AcFun videos (best-effort)
AI Background Blur for Sensitive Photos
Blur the background or detected subject in sensitive photos locally with AI segmentation
AI Background Remover (WebGPU)
Remove image backgrounds locally in your browser with a private RMBG-1.4 cutout workflow
AI Language Detector for Audio
Identify the spoken language in audio files locally in your browser with a private Whisper workflow
AI-Powered Personal Knowledge Base (Local RAG)
Chat with your PDFs and notes locally in the browser with private RAG retrieval, IndexedDB storage, and on-device AI answers
Amortization Schedule Calculator
Generate a payment schedule with principal, interest, and balance
Area Converter
Convert area units for metric and imperial measurements
Aspect Ratio Calculator
Calculate dimensions for common aspect ratios
Text Tools
Word & Character Counter
Count words, characters, sentences, and paragraphs in your text
Text Case Converter
Convert text to uppercase, lowercase, title case, and more
Lorem Ipsum Generator
Generate placeholder text for your designs and mockups
Password Generator
Create strong, secure passwords with custom options
Text Sorter
Sort lines of text alphabetically (A-Z or Z-A)
Remove Duplicate Lines
Remove duplicate lines from your text instantly
Diff Checker
Compare two texts and find differences
Markdown to HTML
Convert Markdown formatting into HTML code
Slug Generator
Create SEO-friendly URL slugs from titles
Keyword Frequency Analyzer
Analyze and count keyword density in text
Remove Line Breaks
Eliminate unnecessary line breaks to clean up text
Text to Handwriting
Convert digital text into handwriting-style image
Google SERP Simulator
Preview how titles appear on Google Search
Upside Down Text Generator
Flip text vertically for social media creativity
List Randomizer
Shuffle any list into random order
Strikethrough Text Generator
Apply horizontal line through text
Sentence Counter
Calculate total sentences in text
Special Character Name Generator
Generate decorated nicknames with symbols and Unicode styles
Image Tools
Image Compressor
Compress images to reduce file size without losing quality
Image Resizer
Resize images to any dimension while maintaining aspect ratio
Image Cropper
Crop images to your desired size and aspect ratio
Text to Image Generator
Convert text into downloadable images
Image Format Converter
Convert images between JPG, PNG, WebP, and GIF formats
Image to WebP Converter
Convert JPG/PNG images to WebP for smaller file sizes
Image Background Remover (Basic)
Remove simple backgrounds by color using a tolerance slider
Image Color Picker
Pick colors from images and get HEX/RGB values
Image Grayscale Converter
Convert color images to grayscale (black and white)
Image Mirror & Flip
Flip images horizontally or vertically
Image Rotate Tool
Rotate images by 90/180/270 or custom degrees
Image Watermark Tool
Add text watermarks with position, size, color, and opacity
Image Blur Tool
Blur the entire image or a selected area
Image Metadata Viewer
View file size, type, dimensions, and basic image info
Privacy-First OCR
Extract text from images locally with Tesseract.js and canvas preprocessing
AI Background Blur for Sensitive Photos
Blur the background or detected subject in sensitive photos locally with AI segmentation
Local Metadata Cleaner (EXIF Remover)
Strip GPS coordinates, camera details, and hidden EXIF metadata from photos locally
GIF Tools
GIF Compressor
Compress GIFs to reduce file size while keeping animation
GIF Optimizer
Optimize GIFs for smaller size and smoother playback
GIF Resizer
Resize animated GIFs to custom dimensions
GIF Size Checker
Check GIF file size and limits quickly
Compress GIF to 10MB
Reduce GIF size to fit a 10MB limit
Compress GIF to 8MB (Discord)
Shrink GIFs to meet Discord's 8MB limit
Compress GIF to 512KB
Reduce GIF size for tight file size limits
Compress GIF to Custom Size
Set a custom target size for GIF compression
Video to GIF
Create high-quality animated GIFs from video clips locally
GIF to APNG
Convert animated GIFs to APNG format
GIF for Discord
Prepare GIFs that fit Discord upload limits
PDF Tools
Image to PDF Converter
Convert images to PDF documents
PDF to Image Converter
Convert PDF pages to image files
Merge PDF
Combine multiple PDF files into one document
Split PDF
Split PDF documents into separate pages or sections
Rotate PDF
Rotate PDF pages to the correct orientation
Compress PDF
Reduce PDF file size while keeping readable quality
Reorder PDF Pages
Rearrange PDF pages into the order you want
Delete PDF Pages
Remove unwanted pages from a PDF document
Extract PDF Pages
Extract selected pages into a new PDF
PDF Page Numbering
Add page numbers to your PDF document
PDF Watermark
Add text watermarks to PDF pages
PDF to Text
Extract readable text content from PDFs
Protect PDF
Add a password to secure your PDF files
Unlock PDF
Remove password protection from PDFs
PDF Metadata Viewer
View PDF file info, pages, and document metadata
PWA Document Signer
Sign PDF files privately in your browser with a visual signature and SHA-256 receipt
Unit Converters
Metric to Imperial Converter
Convert metric and imperial units for length, mass, and volume
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and Kelvin
Data Unit Converter
Convert data sizes across decimal and binary units
Fuel Consumption Converter
Convert fuel economy units like L/100km, km/L, and MPG
Area Converter
Convert area units for metric and imperial measurements
Pressure Converter
Convert pressure units like Pa, bar, psi, atm, and mmHg
Speed Converter
Convert speed units between m/s, km/h, mph, and knots
Power Converter
Convert power units between watts, kW, MW, and horsepower
Cooking Weight Converter
Convert kitchen weights and water-based volumes
Time Zone Converter
Convert dates and times between global time zones
Financial Tools
Compound Interest Calculator
Estimate compound growth with contributions and effective annual rate
Simple Interest Calculator
Calculate simple interest totals and interest earned
Loan EMI Calculator
Calculate loan payments, total paid, and total interest
Amortization Schedule Calculator
Generate a payment schedule with principal, interest, and balance
Mortgage Calculator (Basic)
Estimate mortgage payments from price, down payment, rate, and term
Savings Goal Calculator
Find required contributions to reach a savings target
Present Value / Future Value Calculator
Convert present value to future value (and back) with compounding
Inflation Calculator
Compare money value over time with inflation
Break-even Calculator
Calculate break-even units and revenue
Net Worth Calculator
Sum assets and liabilities to estimate net worth
Budget Split Calculator
Split income into needs, wants, and savings
Salary to Hourly Calculator
Convert salary to hourly, weekly, and monthly pay
Personal Finance Visualizer
Analyze bank statements locally from CSV files with private charts and cash-flow summaries
Health & Fitness
BMI Calculator
Calculate body mass index and weight category
BMR Calculator
Estimate basal metabolic rate with Mifflin-St Jeor
Daily Calorie Needs (TDEE)
Estimate total daily energy expenditure from activity level
Ideal Weight Calculator
Compare Devine, Robinson, and Miller formulas
Body Fat Percentage Calculator
Estimate body fat using the US Navy method
Lean Body Mass Calculator
Calculate lean body mass with Boer, James, and Hume
Calorie Deficit Calculator
Estimate daily calorie change for weight goals
Water Intake Calculator
Estimate daily hydration needs from weight and activity
Heart Rate Zone Calculator
Calculate training zones from maximum heart rate
Steps to Calories Calculator
Estimate calories burned from steps and walking speed
Macro Nutrient Calculator
Split calories into protein, fat, and carbs
Pregnancy Due Date Calculator
Estimate due date and trimester timeline from LMP
Menopause Sleep Pattern Analyzer
Track sleep quality, night sweats, and likely triggers locally with private charts
Hot Flash Trigger Visualizer
Track hot flashes and analyze caffeine, stress, heat, and spicy-food patterns locally
Menopause Doctor Visit Summary
Organize menopause symptom history privately and export a doctor-visit PDF locally
Vaginal Comfort & Intimacy Log
Track vaginal dryness, irritation, and intimacy comfort privately with local charts
Menopause Wellness Dashboard
Track menopause symptoms, sleep, mood, and energy privately in one local dashboard
Menopause Symptom Tracker
Track menopause and perimenopause symptoms privately with local trend charts
Perimenopause Bleeding Log
Track irregular periods and bleeding patterns privately with local trend charts and exports
Life Tools
Stress Level Analyzer
Estimate daily stress from sleep, work, screen time, caffeine, and exercise
Sleep Quality Estimator
Estimate sleep quality from bedtime, wake time, duration, awakenings, and screen time
Mood & Brain Fog Tracker
Track menopause mood swings, anxiety, and brain fog locally with private charts
Productivity Score Analyzer
Score productivity from deep work, interruptions, tasks completed, and focus time
Burnout Risk Estimator
Estimate burnout risk using weekly hours, rest days, stress, and sleep scores
Focus Ability Analyzer
Analyze focus stability from session length, breaks, multitasking, and notifications
Decision Fatigue Estimator
Estimate mental fatigue from decisions, work hours, sleep, and caffeine
Financial Health Score
Score lifestyle finance health from stability, savings rate, emergency fund, and debt ratio
Life Balance Analyzer
Assess balance across work, sleep, fitness, family, learning, and leisure
Habit Success Predictor
Predict habit success from difficulty, time per day, motivation, and consistency
Motivation Level Estimator
Estimate motivation from goal clarity, progress, sleep, stress, and rewards
Utility & Generators
QR Code Generator
Create QR codes for URLs, text, or contact information
Random Number Generator
Generate random numbers within a custom range
Random Name Generator
Generate random names for projects, characters, or ideas
UUID Generator
Generate unique UUIDs (v4) for your applications
Basic Calculator
Perform basic mathematical calculations
Password Strength Meter
Evaluate security level of your password
HTACCESS Generator
Generate .htaccess server configuration
User Agent Parser
Extract browser and OS information
Random Credit Card Generator
Generate test credit card numbers for UI testing
Strong Password Checker
Analyze password entropy and cracking time
Dummy Data Generator
Generate bulk test data with names and emails
BIP39 Seed Phrase Generator
Generate mnemonic seed phrases for crypto testing
Vigenere Cipher Tool
Encrypt and decrypt using Vigenere cipher
MD5 Hash Generator
Generate MD5 checksums from text for data verification
Developer Tools
XML Formatter
Format and prettify XML documents
YAML to JSON Converter
Convert YAML data to JSON format
SQL Formatter
Format and beautify SQL queries
JavaScript Obfuscator
Scramble JS code to protect logic
Regex Tester
Test and debug regular expressions
JWT Decoder
Decode and inspect JWT tokens
Crontab Generator
Generate cron expressions visually
JSON to CSV Converter
Convert JSON arrays to CSV format
HTML Entity Encoder
Convert characters to HTML entities
PHP Serialized Data Viewer
Decode PHP/WordPress serialized data
Epoch Converter
Convert between Unix timestamps and dates
GraphQL Prettifier
Format GraphQL queries for readability
Universal Markdown Converter
Convert Markdown to HTML, PDF, and DOCX privately in your browser
Client-Side Log Analyzer
Open large log files locally, inspect JSON logs, and analyze repeated issues without uploads
Static Site Playground
Run a multi-file Node.js static site sandbox in your browser with terminal output and live preview
Browser-Based File Encryptor
Encrypt files with AES-256 in your browser and unlock them later with the same password
Offline-First Pomodoro & Data Tracker
Run a private Pomodoro timer with local history, daily stats, and offline-first browser storage
Client-Side CSV to SQL
Convert CSV files to SQL scripts and SQLite locally in your browser
AI Local Tools
Private Voice-to-Text (Whisper Web)
Transcribe audio files or meeting recordings locally in your browser with a private Whisper workflow
Offline AI Text Summarizer
Summarize long documents locally in your browser RAM with a private AI model
Local AI Grammar Checker
Fix grammar, spelling, and punctuation locally in your browser with a private FLAN-T5 workflow
In-Browser AI Translator
Translate text and lightweight documents locally in your browser with a private M2M100 workflow
Local AI Sentiment Analyzer
Analyze customer feedback locally in your browser with a private DistilBERT tone detector
Private AI Keyword Extractor
Extract SEO keywords and tags locally in your browser with a private KeyBERT-style WASM workflow
Local AI Image Captioner
Generate private image descriptions and alt text locally in your browser with a BLIP image-captioning workflow
Browser-Based Object Detector
Detect objects in photos locally in your browser with a private DETR image-analysis workflow
Local AI Face Privacy Masker
Automatically blur or cover faces in photos locally in your browser with a private MediaPipe Face Mesh workflow
AI Background Remover (WebGPU)
Remove image backgrounds locally in your browser with a private RMBG-1.4 cutout workflow
Local AI Image Semantic Search
Search local photo libraries by meaning in your browser with private CLIP embeddings and vector ranking
Local AI Speech Synthesizer (TTS)
Generate private AI voiceovers locally in your browser with a Sherpa-ONNX text-to-speech workflow
Local AI Noise Canceller
Clean audio recordings locally in your browser with a private RNNoise background-noise remover
AI Language Detector for Audio
Identify the spoken language in audio files locally in your browser with a private Whisper workflow
PII (Personal Info) Detector
Detect sensitive information in documents locally and generate masked output in your browser
Local AI Spam & Phishing Detector
Analyze suspicious emails locally with AI, then review phishing links and spam signals in your browser
AI-Powered Personal Knowledge Base (Local RAG)
Chat with your PDFs and notes locally in the browser with private RAG retrieval, IndexedDB storage, and on-device AI answers
Private AI Personal Knowledge Base (Chat with Notes)
Turn your private Markdown, text, HTML, or exported notes into a local AI note vault you can chat with in the browser
Private AI Chat with My Website (Local RAG)
Analyze a website locally in the browser, build a private URL index, and ask questions against scanned pages without cloud storage
Local AI Screenshot-to-Logic (Vision AI)
Convert screenshots into HTML, chart explanations, or structured data locally in your browser with a private vision workflow
Local AI Formula & Regex Specialist
Turn natural-language requests into Excel formulas, SQL queries, or regex patterns locally in your browser with a private code model
Local AI Web-Scraper (Structured Data Extractor)
Read HTML structure locally in the browser, detect repeated fields like price, title, and description, then export structured rows without writing scraper code
Private AI Document Redactor (Sensitive Data Masker)
Detect names, cards, addresses, and other sensitive details locally in your browser, then redact text or PDF files before sharing
Local AI Audio Meeting Minutes Generator
Turn local meeting recordings into transcript summaries and to-do lists in your browser with a private Whisper plus T5 workflow
In-Browser AI Privacy Image Filter
Blur every visible face or replace it with a cartoon privacy avatar locally in your browser with MediaPipe and TensorFlow.js
Local AI Semantic File Searcher
Index local folder content in your browser and search files by meaning instead of relying only on file names
AI Local Code Repair for Non-Devs
Repair broken HTML, CSS, JS, and JSON snippets locally in your browser with a private code-fixing workflow
Local AI Payroll & Bonus Agent
Read attendance spreadsheets locally, turn plain-language salary rules into payroll logic, and export a processed workbook privately in your browser
Secure Invoice-to-Accounting Agent
Extract invoice data from local PDFs and receipt images, flag likely duplicates, and export accounting-ready CSV privately in your browser
Private AI Content Auditor
Audit SEO structure, EEAT-style signals, keyword use, and local similarity risk privately in your browser
Design Tools
Image to Base64
Convert images to Base64 strings for embedding
CSS Gradient Generator
Create CSS linear/radial gradients visually
Color Shade Generator
Generate monochromatic palettes from a color
SVG Optimizer
Compress and clean up SVG vector files
Favicon Generator
Create website favicons from images
Placeholder Image Generator
Generate custom-sized image placeholders
Color Contrast Checker
Test contrast ratio based on WCAG standards
Image Metadata (EXIF) Viewer
Extract camera settings and GPS from images
WebP to PNG/JPG Converter
Convert WebP images to standard formats
Aspect Ratio Calculator
Calculate dimensions for common aspect ratios
Network Tools
URL Parser
Break down a URL into its components
IP Address Lookup
Fetch detailed information about an IP address
DNS Record Explainer
Explain DNS record types with examples and formats
URL Encoder / Decoder
Encode or decode URL components safely
Base64 Encoder / Decoder
Convert text to Base64 or decode Base64 strings
JWT Header Inspector
Inspect JWT headers without verification
HTTP Status Code Lookup
Look up HTTP status meanings and causes
HTTP User-Agent Analyzer
Analyze browser, OS, and device from a user-agent
IPv4 Subnet Calculator
Calculate subnet details from IPv4 and CIDR
CIDR to Netmask Converter
Convert CIDR notation to netmask and back
MAC Address Generator & Validator
Validate MAC formats and generate random MACs
Port Number Lookup
Find service names for common ports
All Tools, Completely Free
SimpleToolset is and always will be free. All processing happens in your browser, ensuring your data never leaves your device.
Social Media Tools
Instagram Caption Spacer
Format Instagram captions with line breaks
YouTube Thumbnail Downloader
Download high-quality YouTube thumbnails
Twitter/X Character Counter
Count characters within X's limits
Word Cloud Generator
Visualize word frequency in text
UTM Link Builder
Generate tracking URLs for analytics
Hashtag Generator (Basic)
Generate clean hashtags from keywords
Hashtag Counter
Count hashtags and identify duplicates in captions
Social Bio Generator
Generate short bio variants from name, role, and keywords
Emoji Text Decorator
Add emoji styles to each line of text
Line Break Formatter
Normalize line breaks and spacing in captions
YouTube Title & Description Template
Generate title ideas and description blocks for YouTube
TikTok Caption Length Checker
Check caption length and remaining characters
Twitter/X Thread Splitter
Split long text into thread-ready parts
Discord Markdown Formatter
Format text with Discord markdown styles
Social Post Scheduler Helper
Generate a simple posting schedule table
Rednote Video Downloader
Fetch download-ready video links from Rednote/Xiaohongshu posts
AcFun Video Downloader
Get download links from AcFun videos (best-effort)
Xigua Video Downloader
Get download links from Xigua Video posts (best-effort)
Kuaishou Video Downloader
Get download links from Kuaishou videos (best-effort)
Haokan Video Downloader
Get download links from Haokan Video posts (best-effort)
Bilibili Video Downloader
Get download links from Bilibili videos (best-effort)
Video MD5 Changer
Change a video file hash without affecting playback
In-Browser Video Transcoder
Convert MP4, WebM, and MKV locally with FFmpeg in your browser
Audio Stem Splitter (Local AI)
Separate vocals, instrumental, drums, bass, and other stems locally in your browser