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.
Special Character Name Generator
Generate decorated nicknames with symbols and Unicode styles
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
AI Label Remover
Remove visible AI labels and supported AI metadata locally, while keeping unrelated photo information
Video MD5 Changer
Change a video file hash without affecting playback
Image Compressor
Compress images to reduce file size without losing quality
Random Name Generator
Generate random names for projects, characters, or ideas
BMR Calculator
Estimate basal metabolic rate with Mifflin-St Jeor
Calorie Deficit Calculator
Estimate daily calorie change for weight goals
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
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.
Image Compressor
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 Name Generator
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
Prepare Product Images for Ecommerce
Crop, resize, compress, and convert product photos into fast-loading ecommerce images for galleries and product pages with free browser tools.
Image Compressor
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
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.
Image Compressor
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
Text Tools
View allSpecial Character Name Generator
Generate decorated nicknames with symbols and Unicode styles
Diff Checker
Compare two texts and find differences
Keyword Frequency Analyzer
Analyze and count keyword density in text
Markdown to HTML
Convert Markdown formatting into HTML code
Remove Line Breaks
Eliminate unnecessary line breaks to clean up text
Sentence Counter
Calculate total sentences in text
Image Tools
View allAI Label Remover
Remove visible AI labels and supported AI metadata locally, while keeping unrelated photo information
Image Compressor
Compress images to reduce file size without losing quality
Image Grayscale Converter
Convert color images to grayscale (black and white)
AVIF Converter
Convert AVIF images to PNG, JPG, or WebP locally in your browser
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 Resizer
Resize animated GIFs to custom dimensions
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
GIF for Discord
Prepare GIFs that fit Discord upload limits
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
PDF Tools
View allExtract PDF Pages
Extract selected pages into a new PDF
PDF Metadata Viewer
View PDF file info, pages, and document metadata
PDF Page Numbering
Add page numbers to your PDF document
PDF to Text
Extract readable text content from PDFs
PDF Watermark
Add text watermarks to PDF pages
Protect PDF
Add a password to secure your PDF files
Unit Converters
View allArea Converter
Convert area units for metric and imperial measurements
Cooking Weight Converter
Convert kitchen weights and water-based volumes
Power Converter
Convert power units between watts, kW, MW, and horsepower
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 allBreak-even Calculator
Calculate break-even units and revenue
Budget Split Calculator
Split income into needs, wants, and savings
Personal Finance Visualizer
Analyze bank statements locally from CSV files with private charts and cash-flow summaries
Present Value / Future Value Calculator
Convert present value to future value (and back) with compounding
Salary to Hourly Calculator
Convert salary to hourly, weekly, and monthly pay
Amortization Schedule Calculator
Generate a payment schedule with principal, interest, and balance
Health & Fitness
View allBMR Calculator
Estimate basal metabolic rate with Mifflin-St Jeor
Calorie Deficit Calculator
Estimate daily calorie change for weight goals
Biological Age & Longevity Predictor
Estimate biological age from resting heart rate, push-ups, balance, and waist circumference
Daily Calorie Needs (TDEE)
Estimate total daily energy expenditure from activity level
Menopause Symptom Tracker
Track menopause and perimenopause symptoms privately with local trend charts
BMI Calculator
Calculate body mass index and weight category
Life Tools
View allDecision Fatigue Estimator
Estimate mental fatigue from decisions, work hours, sleep, and caffeine
Habit Success Predictor
Predict habit success from difficulty, time per day, motivation, and consistency
Sleep Quality Estimator
Estimate sleep quality from bedtime, wake time, duration, awakenings, and screen time
Stress Level Analyzer
Estimate daily stress from sleep, work, screen time, caffeine, and exercise
Burnout Risk Estimator
Estimate burnout risk using weekly hours, rest days, stress, and sleep scores
Financial Health Score
Score lifestyle finance health from stability, savings rate, emergency fund, and debt ratio
Utility & Generators
View allRandom Name Generator
Generate random names for projects, characters, or ideas
BIP39 Seed Phrase Generator
Generate mnemonic seed phrases for crypto testing
Basic Calculator
Perform basic mathematical calculations
Dummy Data Generator
Generate bulk test data with names and emails
UUID Generator
Generate unique UUIDs (v4) for your applications
Barcode Generator
Generate Code 128 and EAN/UPC-style barcodes as SVG or PNG
Developer Tools
View allBrowser-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
Client-Side Log Analyzer
Open large log files locally, inspect JSON logs, and analyze repeated issues without uploads
Crontab Generator
Generate cron expressions visually
CSV Cleaner
Clean CSV tables, trim cells, remove empty rows, and switch delimiters
Epoch Converter
Convert between Unix timestamps and dates
AI Local Tools
View allIn-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 Formula & Regex Specialist
Turn natural-language requests into Excel formulas, SQL queries, or regex patterns locally in your browser with a private code model
AI Background Remover (WebGPU)
Remove image backgrounds locally in your browser with a private RMBG-1.4 cutout workflow
Browser-Based Object Detector
Detect objects in photos locally in your browser with a private DETR image-analysis workflow
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 Face Privacy Masker
Automatically blur or cover faces in photos locally in your browser with a private MediaPipe Face Mesh workflow
Design Tools
View allAspect Ratio Calculator
Calculate dimensions for common aspect ratios
Color Contrast Checker
Test contrast ratio based on WCAG standards
Favicon Generator
Create website favicons from images
Image to Base64
Convert images to Base64 strings for embedding
WebP to PNG/JPG Converter
Convert WebP images to standard formats
Color Shade Generator
Generate monochromatic palettes from a color
Network Tools
View allHTTP User-Agent Analyzer
Analyze browser, OS, and device from a user-agent
URL Parser
Break down a URL into its components
CIDR to Netmask Converter
Convert CIDR notation to netmask and back
HTTP Status Code Lookup
Look up HTTP status meanings and causes
IPv4 Subnet Calculator
Calculate subnet details from IPv4 and CIDR
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
View allVideo MD5 Changer
Change a video file hash without affecting playback
Haokan Video Downloader
Get download links from Haokan Video posts (best-effort)
Rednote Video Downloader
Fetch download-ready video links from Rednote/Xiaohongshu posts
Social Video Compressor
Compress videos locally with size-minded presets for social sharing
AcFun Video Downloader
Get download links from AcFun videos (best-effort)
Emoji Text Decorator
Add emoji styles to each line of text