Popular Tools
Useful tools selected from the available DoAllHere catalog.
Compress PDF
Reduce PDF file size
Images to PDF
Convert multiple images to a single PDF
PDF Editor
Visual PDF editor with text, images, and annotations
Compress Image
Reduce file size with adjustable JPEG quality
Remove Background
AI-powered background removal — runs in your browser
Video Editor
Edit videos locally with a timeline, text, effects, and MP4 export
Create ZIP
Create a ZIP archive from files
Unzip Files
Extract files from ZIP archives
Checksum Manifest Verifier
Verify selected files against a SHA-256 or SHA-512 checksum manifest
File Duplicate Finder
Find exact duplicate files locally by comparing size and SHA-256 hashes
Percentage Calculator
Calculate percentages, increases, and decreases
Scientific Calculator
Full scientific calculator with advanced functions
Age Calculator
Calculate exact age from date of birth
BMI Calculator
Calculate Body Mass Index
Pace Calculator
Calculate running or walking pace, time, and distance
Area Calculator
Calculate the area of rectangles, circles, triangles, and more
Calorie Calculator
Estimate daily calorie needs (BMR and maintenance)
GPA Calculator
Calculate your grade point average from courses and credits
Business Day & Working Hours
Count working days and scheduled hours using your own week, shifts, breaks, and holiday dates
Mortgage Calculator
Calculate monthly mortgage payments with amortization
Professional Workbench
Plan cash, supplier, construction, container, and sales decisions locally
Loan Calculator
Calculate loan payments and interest
Compound Interest
Calculate compound interest over time
Tip Calculator
Calculate tips and split bills
Pension Calculator
Project your retirement savings and monthly income
Car Loan & Lease Calculator
Compare monthly payments for an auto loan or a lease
Length Converter
Convert between length units
Weight Converter
Convert between weight units
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Word Counter
Count words, characters, sentences, and paragraphs
JSON Formatter
Format and beautify JSON data
Base64 Encode/Decode
Encode or decode Base64 strings
UUID Generator
Generate random UUIDs (v4)
Regex Tester
Test regular expressions with live highlighting
QR Code Generator
Generate QR codes for URLs, text, WiFi, vCard, and more
Barcode & QR Reader
Read supported QR and barcode formats from an image or camera when your browser provides BarcodeDetector
What Is My IP
Find your public IP address
URL to Markdown
Convert any webpage to clean Markdown
Professional Workbook Studio
Create, format, and inspect professional Excel workbooks locally
Token Counter
Count tokens for GPT and other LLMs
CSV/XLSX Data Quality
Profile tabular data for blanks, types, duplicate rows, outliers, and spreadsheet-formula risks
Professional Document Generator
Create print-ready local quotes, invoices, purchase orders, and work orders
Password Generator
Generate strong, secure passwords
Color Contrast Checker
Check WCAG contrast ratios for text and interface colors
Pomodoro Timer
Pomodoro technique timer for productivity
Typing Speed Test
Test your typing speed and accuracy