Toolkoa — Free & Private Web Tools Suite

120+ free online tools for PDF, image, video, audio, development, text, network and security. 100% private and running in your browser.

• Image to PDF
• Merge PDF files
• Sign PDF document
• Split PDF document
• Rotate PDF pages
• Compress image
• Crop image
• Face detection
• EXIF metadata viewer
• Favicon generator
• SVG optimizer
• Object detection
• Clock
• PDF to images
• Resize image
• Remove image background
• Trim video
• Join video files
• Video format converter
• Multi-track video editor
• QR generator
• QR reader
• Word counter
• Password generator
• Rotate image
• Unit converter
• Calculator
• Collage maker
• Color format converter
• Base64
• UUID generator
• Bcrypt generator
• Hash generator
• Test data generator
• Format JSON
• Case converter
• Unix timestamp
• Percentage calculator
• URL encoder / decoder
• HTML encoder / decoder
• JWT token decoder
• URL parser
• Random numbers
• BPM counter
• Text to Speech
• Regex tester
• CSV to JSON
• URL slug generator
• Keyboard event inspector
• Base converter
• Color palette generator
• Compare text
• Device info
• CSS minifier
• Image format converter
• Image watermark
• Meme generator
• Unlock PDF
• PDF watermark
• Number PDF pages
• Organize PDF pages
• Crop PDF margins
• PDF to Markdown
• HTML to PDF
• Audio format converter
• Trim audio
• Audio speed changer
• Voice recorder
• AES-GCM text encryption
• JSON to CSV
• Image color picker
• CSS box-shadow generator
• CSS gradient generator
• SVG to PNG/JPG
• Reverse text
• Aspect ratio calculator
• XML formatter
• Image filters
• Avatar generator
• Cron expression generator
• Favicon from emoji
• Markdown tables
• Link extractor
• YAML formatter
• .gitignore file generator
• Device mockups
• WCAG contrast
• Image to Base64
• ROT13 / Caesar cipher
• Text to binary
• SEO meta tag generator
• HTML to Markdown
• Line cleaner
• CSS mesh gradient generator
• Image to ASCII text
• CSS glassmorphism generator
• Subnet calculator
• robots.txt file generator
• WhatsApp / Mail links
• Numbers to words
• JSON to YAML
• JSON to TOML
• SVG to Data URI
• Subtitle converter
• HTML minifier
• CSV to HTML table
• File integrity (SHA)
• Punycode IDN converter
• Download time
• Click test (CPS)
• Speed test
• Metronome
• Frequency generator
• Compound interest
• VAT / sales tax calculator
• Truth tables
• Pro-rata calculator
• Raffles & shuffler
• Fraction calculator
• Morse code
• 1D barcode
• Social media sizes
• HMAC signature generator
• Date calculator
• CSS neumorphism generator
• Organic border-radius generator
• Fluid typography clamp() generator
• CSS animation generator
• CSS system font stack generator
• Text readability
• Keyword density
• Glitch / Zalgo text
• NATO phonetic alphabet
• cURL converter
• SQL formatter
• Schema structured data generator
• .htaccess file generator
• ASCII directory tree
• Glob tester
• Open source licenses
• Placeholder image generator
• CSS sprite generator
• CSS & SVG pattern generator
• Color blindness simulator
• Image RGB histogram
• XOR cipher
• SSH key generator
• HTTP security headers
• PEM certificate converter
• Margin & markup
• Rule of three & ratio
• Loan amortization
• Basic statistics
• Electricity cost
• MAC address generator
• .ics calendar links
• Social share links
• Ambient noise & beats
• Instrument tuner
• Local Kanban board
• Pomodoro timer
• Decision wheel
• Typing test
• Memory trainer
• Classic Minesweeper
• Sudoku board
• 2048 game
• Word Guess
• Tic-Tac-Toe vs AI
• Trivia & riddles
• Dead pixel test
• Touchscreen test
• Text translator
• BMI calculator
• Tip & bill splitter
• JSON to TypeScript
• Age calculator
• Time zone converter
• Click counter