Free Online Tools for Files, Text, Images & PDFs
Most tools process data in your browser. Network-backed tools explain what leaves your device before you use them.
Most tools process data in your browser.
Network-backed tools explain what leaves your device before you use them.
Popular tools
Fast picks people use every day.
AI Label Remover
Remove visible AI labels and supported AI metadata locally, while keeping unrelated photo information
Word & Character Counter
Count words, characters, sentences, and paragraphs in your text
BMI Calculator
Calculate body mass index and weight category
Image to PDF Converter
Convert images to PDF documents
Private Voice-to-Text (Whisper Web)
Transcribe audio files or meeting recordings locally in your browser with a private Whisper workflow
Local AI Speech Synthesizer (TTS)
Generate private AI voiceovers locally in your browser with a Sherpa-ONNX text-to-speech workflow
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
Open Graph Previewer
Preview Google and social snippets, then export Open Graph and Twitter meta tags
By goal
Jump straight to the outcome you need.
Craft Social Posts with Character Limits
Draft social posts, count characters, format captions, generate hashtags, and split long copy into thread-ready chunks with free browser tools.
Word & Character Counter
Convert Screenshots into a Single PDF
Resize, crop, and combine screenshots into a clean PDF for reports, receipts, bug reports, or documentation with free browser tools.
Image to PDF Converter
Fix Scanned PDF Orientation Issues
Rotate scanned PDFs, convert pages to images when needed, rebuild PDFs, and merge corrected files into one document with free browser tools.
Image to PDF Converter
Split PDFs to Meet Email Size Limits
Split large PDFs, rebuild smaller attachments, convert pages when needed, and package documents for email delivery with free browser tools.
Image to PDF Converter
Debug Web Requests and Identifiers
Inspect URLs, decode JWTs, parse user agents, and look up IP information while debugging web requests with free browser tools.
URL Parser
Create Secure Passwords for Teams
Generate strong passwords, check password strength, create IDs, and prepare safe temporary credentials for team workflows with free browser tools.
Random Number Generator
Generate Test Data for QA
Create names, numbers, UUIDs, and placeholder text for QA scenarios, mock records, demos, and repeatable test cases with free browser tools.
Random Number Generator
Create Social Media Graphics Quickly
Create image-based social posts by generating visuals, resizing for channels, cropping, and compressing final assets with free browser tools.
Text to Image Generator
Text Tools
View allWord & Character Counter
Count words, characters, sentences, and paragraphs in your text
Special Character Name Generator
Generate decorated nicknames with symbols and Unicode styles
Text Case Converter
Convert text to uppercase, lowercase, title case, and more
Diff Checker
Compare two texts and find differences
Keyword Frequency Analyzer
Analyze and count keyword density in text
List Randomizer
Shuffle any list into random order
Image Tools
View allAI Label Remover
Remove visible AI labels and supported AI metadata locally, while keeping unrelated photo information
Text to Image Generator
Convert text into downloadable images
AVIF Converter
Convert AVIF images to PNG, JPG, or WebP locally in your browser
AI Background Blur for Sensitive Photos
Blur the background or detected subject in sensitive photos locally with AI segmentation
HEIC to JPG/PNG Converter
Convert iPhone HEIC images to JPG, PNG, or WebP when your browser can decode them
Image Background Remover (Basic)
Remove simple backgrounds by color using a tolerance slider
GIF Tools
View allGIF Optimizer
Optimize GIFs for smaller size and smoother playback
Compress GIF to 10MB
Reduce GIF size to fit a 10MB limit
Compress GIF to 512KB
Reduce GIF size for tight file size limits
Compress GIF to 8MB (Discord)
Shrink GIFs to meet Discord's 8MB limit
Compress GIF to Custom Size
Set a custom target size for GIF compression
GIF Compressor
Compress GIFs to reduce file size while keeping animation
PDF Tools
View allImage to PDF Converter
Convert images to PDF documents
PDF OCR Text Extractor
Run OCR on scanned PDF pages locally and export recognized text
Merge PDF
Combine multiple PDF files into one document
Reorder PDF Pages
Rearrange PDF pages into the order you want
Compress PDF
Reduce PDF file size while keeping readable quality
Delete PDF Pages
Remove unwanted pages from a PDF document
Unit Converters
View allSpeed Converter
Convert speed units between m/s, km/h, mph, and knots
Cooking Weight Converter
Convert kitchen weights and water-based volumes
Area Converter
Convert area units for metric and imperial measurements
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
Metric to Imperial Converter
Convert metric and imperial units for length, mass, and volume
Financial Tools
View allMortgage Calculator (Basic)
Estimate mortgage payments from price, down payment, rate, and term
Simple Interest Calculator
Calculate simple interest totals and interest earned
Compound Interest Calculator
Estimate compound growth with contributions and effective annual rate
Break-even Calculator
Calculate break-even units and revenue
Loan EMI Calculator
Calculate loan payments, total paid, and total interest
Personal Finance Visualizer
Analyze bank statements locally from CSV files with private charts and cash-flow summaries
Health & Fitness
View allBMI Calculator
Calculate body mass index and weight category
Calorie Deficit Calculator
Estimate daily calorie change for weight goals
Heart Rate Zone Calculator
Calculate training zones from maximum heart rate
BMR Calculator
Estimate basal metabolic rate with Mifflin-St Jeor
Menopause Doctor Visit Summary
Organize menopause symptom history privately and export a doctor-visit PDF locally
Menopause Wellness Dashboard
Track menopause symptoms, sleep, mood, and energy privately in one local dashboard
Life Tools
View allBurnout Risk Estimator
Estimate burnout risk using weekly hours, rest days, stress, and sleep scores
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
Focus Ability Analyzer
Analyze focus stability from session length, breaks, multitasking, and notifications
Habit Success Predictor
Predict habit success from difficulty, time per day, motivation, and consistency
Life Balance Analyzer
Assess balance across work, sleep, fitness, family, learning, and leisure
Utility & Generators
View allRandom Number Generator
Generate random numbers within a custom range
User Agent Parser
Extract browser and OS information
Barcode Generator
Generate Code 128 and EAN/UPC-style barcodes as SVG or PNG
BIP39 Seed Phrase Generator
Generate mnemonic seed phrases for crypto testing
Basic Calculator
Perform basic mathematical calculations
Random Credit Card Generator
Generate test credit card numbers for UI testing
Developer Tools
View allHTML Entity Encoder
Convert characters to HTML entities
Offline-First Pomodoro & Data Tracker
Run a private Pomodoro timer with local history, daily stats, and offline-first browser storage
JavaScript Obfuscator
Scramble JS code to protect logic
PHP Serialized Data Viewer
Decode PHP/WordPress serialized data
Browser-Based File Encryptor
Encrypt files with AES-256 in your browser and unlock them later with the same password
Client-Side CSV to SQL
Convert CSV files to SQL scripts and SQLite locally in your browser
AI Local Tools
View allPrivate Voice-to-Text (Whisper Web)
Transcribe audio files or meeting recordings locally in your browser with a private Whisper workflow
Local AI Speech Synthesizer (TTS)
Generate private AI voiceovers locally in your browser with a Sherpa-ONNX text-to-speech workflow
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 Sentiment Analyzer
Analyze customer feedback locally in your browser with a private DistilBERT tone detector
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
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
Design Tools
View allImage to Base64
Convert images to Base64 strings for embedding
Placeholder Image Generator
Generate custom-sized image placeholders
Aspect Ratio Calculator
Calculate dimensions for common aspect ratios
Color Contrast Checker
Test contrast ratio based on WCAG standards
Color Shade Generator
Generate monochromatic palettes from a color
CSS Gradient Generator
Create CSS linear/radial gradients visually
Network Tools
View allURL Parser
Break down a URL into its components
IP Address Lookup
Fetch detailed information about an IP address
Base64 Encoder / Decoder
Convert text to Base64 or decode Base64 strings
CIDR to Netmask Converter
Convert CIDR notation to netmask and back
DNS Record Explainer
Explain DNS record types with examples and formats
HTTP Status Code Lookup
Look up HTTP status meanings and causes
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
View allOpen Graph Previewer
Preview Google and social snippets, then export Open Graph and Twitter meta tags
Twitter/X Character Counter
Count characters within X's limits
Audio Stem Splitter (Local AI)
Separate vocals, instrumental, drums, bass, and other stems locally in your browser
Kuaishou Video Downloader
Get download links from Kuaishou videos (best-effort)
SRT/VTT Converter
Convert subtitles between SRT and WebVTT, shift timestamps, and fix numbering
Video MD5 Changer
Change a video file hash without affecting playback