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639 tools in 18 categories. Filter by name or jump to a category.
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639 tools
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PDF tools
61 tools
- Add header and footer to PDF
- Add page numbers to PDF
- Add pages to PDF
- AI PDF summarizer
- Chat with PDF
- Compare PDF
- Compress PDF
- Compress PDF to 1 MB
- Compress PDF to 100 KB
- Compress PDF to 200 KB
- Compress PDF to 500 KB
- Crop PDF
- CSV to Excel
- Delete PDF pages
- Edit PDF metadata
- EPUB to PDF
- Excel to PDF
- Extract images from PDF
- Extract PDF pages
- Fill PDF form
- Flatten PDF
- HEIC to PDF
- HTML to PDF
- Image to PDF
- JPG to PDF
- Markdown to PDF
- Merge odd and even pages
- Merge PDF
- Multiple pages per sheet
- OCR PDF
- Office file converter
- Password protect PDF
- PDF editor
- PDF to black and white
- PDF to EPUB
- PDF to Excel
- PDF to JPG
- PDF to PDF/A
- PDF to PNG
- PDF to PowerPoint
- PDF to SVG
- PDF to text
- PDF to Word
- PDF viewer
- PNG to PDF
- PowerPoint to PDF
- Rearrange PDF pages
- Redact PDF
- Remove PDF password
- Repair PDF
- Rotate PDF
- Scan to PDF
- Sign PDF
- Split PDF
- Split PDF pages in half
- TIFF to PDF
- Translate PDF
- Verify PDF signature
- Watermark PDF
- Word to JPG
- Word to PDF
Image tools
79 tools
- Add border to image
- Add text to GIF
- Add text to image
- Add watermark to photos
- AVIF converter
- AVIF to JPG
- AVIF to PNG
- Black and white photo
- Blur and pixelate image
- BMP to JPG
- BMP to PNG
- Change GIF speed
- Color picker from image
- Combine images
- Compress GIF
- Compress image
- Compress image to 1 MB
- Compress image to 100 KB
- Compress image to 20 KB
- Compress image to 200 KB
- Compress image to 50 KB
- Compress JPEG
- Compress PNG
- Cover photo maker
- Crop GIF
- Crop image
- Flip and rotate image
- GIF maker
- GIF resizer
- GIF to JPG
- GIF to PNG
- HEIC to JPG
- HEIC to PNG
- ICO to PNG
- Image converter
- Image to text (OCR)
- Invert image colors
- JFIF to JPG
- JPG to AVIF
- JPG to PNG
- JPG to SVG
- JPG to WebP
- JPG to Word
- Meme generator
- Passport photo 4x6 print sheet
- Passport photo maker
- PNG to AVIF
- PNG to ICO
- PNG to JPG
- PNG to SVG
- PNG to WebP
- Postcard maker
- PSD to PNG
- RAW to JPG
- Reduce image size in KB
- Remove EXIF data
- Resize image
- Resize image for Facebook
- Resize image for Instagram
- Resize image for LinkedIn
- Resize image for TikTok
- Resize image for X (Twitter)
- Reverse GIF
- Reverse image search
- Rotate image
- Schengen visa photo
- Split GIF into frames
- SVG to JPG
- SVG to PNG
- TIFF to JPG
- TIFF to PNG
- UK passport photo
- US passport photo (2x2)
- US visa photo
- WebP to GIF
- WebP to JPG
- WebP to PNG
- What is my screen resolution?
- YouTube thumbnail resizer
AI tools
10 tools
Video & audio
27 tools
- Audio speed changer
- Compress video
- FLAC to MP3
- Guitar tuner
- M4A to MP3
- M4A to WAV
- Merge MP3
- MKV to MP4
- MOV to MP3
- MOV to MP4
- MP3 converter
- MP3 cutter
- MP3 to MIDI piano
- MP3 to WAV
- MP4 to GIF
- MP4 to WAV
- OGG to MP3
- Online voice recorder
- Remove audio from video
- Resize video
- Ringtone maker
- Rotate video
- Screen recorder
- Trim video
- Volume booster
- WAV to MP3
- WebM to MP4
Text tools
68 tools
- Add line numbers
- Add prefix and suffix to lines
- Aesthetic symbols
- Alphabetical order
- APA citation generator
- Arrow symbols
- Binary translator
- Bullet point symbol
- Caesar cipher and ROT13
- Case converter
- Character counter
- Check mark symbol
- Chess and card symbols
- Comma separator
- Compare two lists
- Cool symbols
- Copy and paste symbols
- Copyright symbol
- Cross symbol
- Crown symbol
- Currency symbols
- Degree symbol
- E numbers list
- Emoji search
- Encrypt text with a password
- Extract columns from CSV
- Filter lines
- Find and replace
- Flower symbols
- Gender symbols
- Greek alphabet
- Handwriting generator
- Heart symbol
- Infinity symbol
- Invisible character
- Japanese symbols
- Keyboard symbols
- Keyword combiner
- Laundry symbols
- Line counter
- Lorem ipsum generator
- Math symbols
- Merge lines
- Morse code translator
- Music symbols
- Number symbols
- Password generator
- Reading time calculator
- Remove accents
- Remove duplicate lines
- Remove duplicate words
- Remove empty lines
- Remove extra spaces
- Remove line breaks
- Remove vowels
- Reverse text generator
- Shape symbols
- Slug generator
- Sort lines
- Star symbol
- Strikethrough text generator
- Superscript and subscript generator
- Text compare
- Text faces (kaomoji)
- Text repeater
- Word counter
- Word frequency counter
- Zodiac symbols
Calculators
101 tools
- AC BTU calculator
- Amortization calculator
- APR calculator
- Arc length calculator
- Area calculator
- Auto loan calculator
- Average calculator
- Brick and block calculator
- Cat age calculator
- CD calculator
- Circle calculator
- Combination generator
- Compound interest calculator
- Concrete calculator
- Cost of smoking calculator
- Credit card payoff calculator
- Density calculator
- Depreciation calculator
- Derivative calculator
- Discount calculator
- Distance formula calculator
- Dog age calculator
- Download time calculator
- Drywall calculator
- Electricity cost calculator
- Factorial calculator
- Final grade calculator
- Fraction calculator
- Gas mileage calculator
- GCF calculator
- GPA calculator
- Grade calculator
- Graphing calculator
- Gravel calculator
- Inflation calculator
- Infrared heater calculator
- Insulation R-value calculator
- Integral calculator
- Interactive periodic table
- Interest calculator
- Investment calculator
- Laminate flooring calculator
- LCM calculator
- Limit calculator
- Loan calculator
- Loan payoff calculator
- Log calculator
- Margin calculator
- Math worksheet generator
- Matrix calculator
- Molar mass calculator
- Mortgage calculator
- Mulch calculator
- Multiplication table practice
- Number sequence generator
- Odds converter
- Online calculator
- Paint calculator
- Percent change calculator
- Percent error calculator
- Percentage calculator
- Percentage difference calculator
- Permutation generator
- Present value calculator
- Prime factorization calculator
- Probability calculator
- Quadratic formula calculator
- Radiant floor heating calculator
- Radiator size calculator
- Ratio calculator
- Retirement calculator
- ROI calculator
- Roofing calculator
- Rounding calculator
- Salary calculator
- Sales tax calculator
- Savings goal calculator
- Scientific calculator
- Scientific notation calculator
- Screed and self-leveler calculator
- Solar panel payback calculator
- Speed calculator
- Square footage calculator
- Square root calculator
- Stair calculator
- Standard deviation calculator
- Stucco and plaster calculator
- Surface area calculator
- System of equations solver
- Test grade calculator
- Tile calculator
- Tip calculator
- Tire age (DOT code)
- Triangle calculator
- Trig calculator
- VAT calculator
- Voltage drop calculator
- Volume calculator
- Wallpaper calculator
- Weight on other planets
- Wire size calculator
Health
21 tools
- BAC calculator
- Blood pressure chart and calculator
- BMI calculator
- BMI calculator for kids and teens
- Body fat calculator
- Body surface area calculator
- Calorie calculator
- Calorie deficit calculator
- Calories burned calculator
- Food calorie chart
- Glycemic index chart
- Ideal weight calculator
- Macro calculator
- One rep max (1RM) calculator
- Protein calculator
- Running pace calculator
- Sleep calculator
- Target heart rate calculator
- Vitamin and mineral requirements
- Waist-to-hip ratio calculator
- Water intake calculator
Pregnancy & baby
21 tools
- Baby growth percentile calculator
- Baby milestones checklist
- Baby sleep schedule
- Baby teething chart
- Baby tracker
- Blood type calculator
- Child height predictor
- Conception date calculator
- Contraction timer
- Due date calculator
- Eye color calculator
- hCG calculator
- IVF due date calculator
- Kick counter
- Ovulation calculator
- Period calculator
- Pregnancy week by week
- Pregnancy week calculator
- Pregnancy weight gain calculator
- Prenatal visit schedule
- When to take a pregnancy test
Date & time
20 tools
- Age calculator
- Alarm clock
- Biorhythm calculator
- Countdown to a date
- Date calculator
- Day of the week calculator
- Days left in the year
- Days until Christmas
- Exact time now
- Leap year calculator
- Month calculator
- Moon phase calendar
- Next Friday the 13th
- Online timer
- Pomodoro timer
- Stopwatch
- Time card calculator
- Time zone converter
- What week is it?
- Zodiac sign calculator
Converters
46 tools
- Bike size calculator
- Binary to decimal
- Binary to hex
- Bra size calculator
- Celsius to Fahrenheit
- Celsius to Kelvin
- Clothing size converter
- CM to inches
- Cups to grams
- Currency converter
- Decimal to binary
- Decimal to hex
- DMS to decimal degrees
- Euro to dollar
- Exchange rate markup calculator
- Fahrenheit to Celsius
- Feet to meters
- Gallons to liters
- Grams to ounces
- Height converter
- Hex to binary
- Hex to decimal
- Historical exchange rates
- Hours to minutes
- Inches to cm
- Inches to mm
- KG to lbs
- Km to miles
- KM/H to mph
- kW to hp converter
- Lbs to kg
- Liters to gallons
- Meters to feet
- Miles to km
- MM to inches
- Mph to km/h
- Number base converter
- Ounces to grams
- Ring size chart
- Roman numeral converter
- Shoe size converter
- Stone to kg
- Thread size chart
- TV size calculator
- Unit converter
- Yards to meters
Random generators
29 tools
- Bingo card generator
- Classroom noise meter
- Classroom seating chart
- Classroom timer
- Dice roller
- Flip a coin
- Gift exchange name draw
- Giveaway winner picker
- Letter wheel
- Lottery number generator
- Magic 8 ball
- Number wheel
- Picture wheel
- Prize wheel
- Random color generator
- Random country generator
- Random letter generator
- Random name generator
- Random name picker
- Random number generator
- Random student picker
- Random team generator
- Seating chart maker
- Secret Santa generator
- Spin the wheel
- Tournament bracket generator
- Username generator
- White elephant generator
- Yes or no wheel
QR code & barcode
8 tools
Device tests & utilities
29 tools
- Aim trainer
- Camera troubleshooter
- Color blind test
- Controller test
- CPS test
- Dead pixel test
- Decibel meter
- Headphone test
- Hearing test
- Internet speed test
- Keyboard test
- Memory test
- Metronome
- Mic test
- Mic troubleshooter
- MIDI keyboard test
- Mouse test
- Online mirror
- Online notepad
- Online ruler
- Reaction time test
- Refresh rate test
- Spacebar counter
- Tally counter
- Typing practice
- Typing speed test
- Webcam test
- White noise
- White screen
Templates & makers
13 tools
Developer tools
33 tools
- ASCII art generator
- ASCII table
- Base64 encode and decode
- Color code converter (HEX, RGB, HSL)
- Create ZIP file
- Cron expression generator
- CSS grid generator
- CSS minifier and beautifier
- CSV viewer and editor
- Fix text encoding (mojibake)
- Hash generator (SHA-256, MD5)
- HTML entity encoder
- HTML formatter
- JavaScript formatter
- JSON formatter and validator
- JSON to CSV converter
- JWT decoder
- Markdown to HTML converter
- Random string generator
- Regex tester
- Resistor color code calculator
- SQL formatter
- Subnet calculator
- Unicode characters and symbols
- Unicode escape converter
- Unix timestamp converter
- Unzip files (ZIP, RAR, 7z)
- URL encode and decode
- UUID generator
- What browser am I using?
- What is my IP?
- XML formatter
- YAML to JSON converter
Collage & design
38 tools
- Baby shower invitation maker
- Banner maker
- Before and after photo maker
- Birthday collage maker
- Birthday invitation maker
- Bold text generator
- Bubble text generator
- Christmas card maker
- Christmas collage maker
- Collage maker
- Color palette generator
- Cursive text generator
- Design studio
- Discord fonts
- Fancy text generator
- Flyer maker
- Gothic font generator
- Heart collage maker
- Instagram fonts
- Instagram grid maker
- Instagram post maker
- Instagram story maker
- Invitation maker
- Italic text generator
- Letter collage maker
- Mood board maker
- Photo effects
- Photo grid maker
- Poster maker
- Printable graph paper
- Put photos side by side
- Small caps generator
- TikTok fonts
- Tiny text generator
- Upside down text
- Wedding invitation maker
- YouTube thumbnail maker
- Zalgo text generator
3D printing & models
22 tools
- 3D file converter (STL, OBJ, GLB, 3MF)
- 3D model viewer
- 3D print cost calculator
- 3D print troubleshooting guide
- 3MF viewer
- Cookie cutter generator
- E-steps calculator
- Filament calculator
- Flow rate and volumetric speed calculator
- G-code viewer
- Image to STL (PNG, JPG to STL)
- Layer height and nozzle calculator
- Lithophane maker
- QR code to STL
- Resin calculator
- Retraction calibration
- STEP file viewer
- STL repair tool
- STL viewer
- SVG to STL
- Temperature tower generator
- Text to STL (name plates, keychains)
Music & instruments
13 tools