163+ free online tools,
all in one HQ
Free PDF tools, image tools, calculators, unit converters, SEO generators, and AI writers — no sign-up, no watermarks, and your files never leave your browser.
Most popular tools
The free tools people reach for most — start here.
Merge PDF
Combine multiple PDFs into one file.
Remove Image Background
Erase image backgrounds instantly with AI.
Compress PDF
Shrink a PDF's file size right in your browser.
Word Counter
Count words, characters, sentences, and reading time.
Image Compressor
Shrink image file size without leaving your browser.
QR Code Generator
Generate a downloadable QR code from any link or text.
BMI Calculator
Calculate your Body Mass Index (BMI).
HEIC to JPG Converter
Convert iPhone HEIC photos to JPG in your browser.
AI Grammar Checker
Fix spelling and grammar with AI.
Percentage Calculator
Work out percentages three different ways.
Images to PDF
Convert JPG and PNG images into a PDF.
Currency Converter
Convert currencies with live exchange rates.
100% free
Every tool is free to use — no trials, no watermarks, no daily limits.
Nothing uploaded
PDF and image tools run in your browser, so your files never leave your device.
Instant & offline-friendly
Tools load fast and work client-side — results the moment you click.
No sign-up
Open any tool and go. Accounts are optional and never required.
All free tools, organized by category
Browse every tool in 11 categories. Each one is free, runs in your browser, and needs no account.
PDF Tools9 tools
Merge, split, compress, rotate, watermark, and convert PDFs — free, in your browser, with nothing uploaded.
- Merge PDFNew
- Split PDFNew
- Images to PDFNew
- PDF to JPGNew
- Rotate PDFNew
- Add Page Numbers to PDFNew
- Watermark PDFNew
- Extract Text from PDFNew
- Compress PDFNew
Image Tools13 tools
Compress, convert, resize, crop, and remove backgrounds from images — free and private, right in your browser.
- Image Compressor
- Image Converter
- Image Resizer
- Image to Base64
- Favicon Generator
- Rotate & Flip ImageNew
- Remove Image BackgroundNew
- Image CropperNew
- Image to Text (OCR)New
- Meme GeneratorNew
- Aspect Ratio CalculatorNew
- Image Color PickerNew
- HEIC to JPG ConverterNew
Calculators19 tools
The calculators people search for daily — BMI, loan, mortgage, percentage, tip, GPA, calorie, sleep, and more.
- BMI CalculatorNew
- Loan CalculatorNew
- Mortgage CalculatorNew
- Compound Interest CalculatorNew
- Tip CalculatorNew
- Salary CalculatorNew
- GPA CalculatorNew
- Calorie CalculatorNew
- Sleep CalculatorNew
- Pregnancy Due Date CalculatorNew
- Final Grade CalculatorNew
- Ovulation CalculatorNew
- Scientific CalculatorNew
- Average CalculatorNew
- Fraction CalculatorNew
- Ratio CalculatorNew
- Body Fat CalculatorNew
- Macro CalculatorNew
- Pace CalculatorNew
Unit Converters21 tools
Convert length, weight, temperature, speed, area, volume, data size, currency, and number bases — instantly.
- Number Base Converter
- Roman Numeral Converter
- Temperature Converter
- Data Size Converter
- Length Converter
- Weight Converter
- Area Converter
- Volume Converter
- Speed Converter
- Time Converter
- Pressure Converter
- Energy Converter
- Power Converter
- Frequency Converter
- Angle Converter
- Force Converter
- Torque Converter
- Data Transfer Rate Converter
- Fuel Economy Converter
- Currency Converter
- Number to Words ConverterNew
Text & Web Utilities41 tools
Everyday web and text helpers — word counter, case converter, JSON formatter, QR & barcode generators, and more.
- Word Counter
- Case Converter
- URL Slug Generator
- Base64 Encoder / Decoder
- URL Encoder / Decoder
- Text Cleaner
- Lorem Ipsum Generator
- Password Generator
- JSON Formatter
- Hash Generator
- UUID Generator
- HTML Entity Encoder
- JWT Decoder
- Text to Binary Converter
- QR Code Generator
- Random Number Generator
- Regex Tester
- CSV to JSON Converter
- Morse Code Translator
- Email Signature Generator
- Find and Replace
- Text Diff Checker
- Cron Expression Explainer
- Reading Time Calculator
- Random Word Generator
- Privacy Policy Generator
- Terms of Service Generator
- Wheel SpinnerNew
- Invoice GeneratorNew
- Signature MakerNew
- What Is My IP AddressNew
- Coin FlipNew
- Dice RollerNew
- Text RepeaterNew
- What Is My Screen ResolutionNew
- Alphabetical Order ToolNew
- Emoji Copy and PasteNew
- Barcode GeneratorNew
- Text to SpeechNew
- Reverse Text GeneratorNew
- PX to REM ConverterNew
AI Writing Tools13 tools
AI-powered writing tools — grammar checker, summarizer, translator, email writer, and content generators.
- AI Meta Description WriterNew
- AI Blog Title GeneratorNew
- AI Product Description WriterNew
- AI Ad Copy GeneratorNew
- AI Social Media Caption GeneratorNew
- AI Paragraph RewriterNew
- AI Content Idea GeneratorNew
- AI FAQ GeneratorNew
- AI Text SummarizerNew
- AI Grammar CheckerNew
- AI TranslatorNew
- AI Email WriterNew
- AI YouTube Title & Description GeneratorNew
SEO Tools10 tools
Generate and check the on-page signals search engines read — meta tags, schema, sitemaps, and search previews.
- Meta Tag GeneratorNew
- SERP Snippet PreviewNew
- Schema Markup GeneratorNew
- Robots.txt Generator
- XML Sitemap Generator
- Hreflang Tag Generator
- Keyword Density Checker
- llms.txt GeneratorNew
- Headline Analyzer
- Readability Checker
Date & Time Tools7 tools
Calculate ages, date differences, work hours, and time zones, and convert Unix timestamps — fast and accurate.
- Age Calculator
- Date Difference Calculator
- Unix Timestamp Converter
- Timer & StopwatchNew
- Time Zone ConverterNew
- Hours CalculatorNew
- Date CalculatorNew
Design & Color Tools5 tools
Color converters, palettes, gradients, contrast checks, and CSS generators for designers and developers.
- Color Converter
- CSS Gradient Generator
- Color Palette Generator
- Color Contrast Checker
- CSS Box Shadow Generator
Social & Campaign Tools6 tools
Build trackable UTM links, hashtags, and perfect social share previews before you post.
- UTM Campaign URL BuilderNew
- Open Graph GeneratorNew
- Hashtag Generator
- Social Media Character Counter
- Fancy Text GeneratorNew
- YouTube Thumbnail DownloaderNew
Marketing Calculators19 tools
Fast, accurate calculators for ROI, ROAS, CPC, conversion rate, and other growth and ad-spend math.
- ROI Calculator
- ROAS Calculator
- CPC Calculator
- CPM Calculator
- CPA Calculator
- CTR Calculator
- Conversion Rate Calculator
- CAC Calculator
- Customer LTV Calculator
- Average Order Value Calculator
- Profit Margin Calculator
- Break-Even Calculator
- Discount Calculator
- Percentage Change Calculator
- Churn Rate Calculator
- Engagement Rate Calculator
- Percentage Calculator
- Markup Calculator
- Sales Tax Calculator
Frequently asked questions
Are the tools really free?
Yes — every tool on Digital Drive HQ is free to use with no sign-up, no watermarks, and no daily limits. The optional HQ Pro plan only removes ads and adds convenience features like batch processing and saved history.
Do I need to sign up or install anything?
No. There's nothing to download and no account required. Open any tool in your browser and start using it immediately.
Are my files and data safe?
The PDF, image, and text tools run entirely in your browser, so your files are never uploaded to a server — they stay on your device. That's a core design principle of the site.
What kinds of tools does Digital Drive HQ have?
Over 160 tools across PDF, image, calculators, unit converters, text and web utilities, AI writing, SEO, date and time, design and color, and social tools — from merging PDFs and removing image backgrounds to BMI, currency conversion, and grammar checking.
Do the tools work on mobile?
Yes — the site is fully responsive and the tools work in any modern browser on phones, tablets, and desktops.
Do more with HQ Pro
Remove ads, batch-process files, save your history, and unlock unlimited AI — all for less than a coffee a month.