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SnakeConverter
50+ free browser tools — zero uploads, zero servers
PDF Tools
Excel → PDFxlsx, xls, csv with full Unicode
Image → PDFPNG, JPEG, WebP, GIF, BMP
Merge PDFsCombine multiple PDFs into one
Split PDFExtract pages or custom ranges
Encrypt / DecryptPassword-protect or unlock PDFs
All PDF tools →
Unit Converters
Lengthkm, m, cm, miles, ft, in
Weight / Masskg, g, lbs, oz, stones
Temperature°C, °F, K, °R
Aream², km², ft², acres, hectares
VolumeL, mL, gallons, cups, fl oz
Speedkm/h, mph, m/s, knots, Mach
Data StorageB, KB, MB, GB, TB, PB
Time Durationms, s, min, h, days, weeks, yr
EnergyJ, kJ, cal, kcal, kWh, BTU
PressurePa, bar, psi, atm, mmHg
Fuel EfficiencyL/100km, km/L, MPG
Cooking MeasurementsCups, tbsp, tsp, ml, liters and more
Shoe Size ConverterEU, US Men, US Women, UK, CM
Typography Unitspx ↔ rem ↔ em ↔ pt ↔ vw
All unit converters →
Text & Utility
Word CounterWords, chars, sentences, read time
Text CaseUPPER, lower, Title, camelCase…
Base64Encode or decode Base64 strings
Age CalculatorExact age + birthday countdown
BMI CalculatorBody Mass Index with visual gauge
PercentageX% of Y · What % · % Change
Random NumberRange, count, unique options
Password GeneratorSecure passwords + strength meter
QR CodeGenerate downloadable QR codes
Unix TimestampLive epoch clock · Date conversion
Morse CodeEncode text to Morse or decode Morse
Text ↔ BinaryConvert text to binary bytes or decode
Palindrome CheckerCheck if a phrase reads the same backwards
Duplicate Line RemoverRemove duplicate lines, preserve order
Text ReverserReverse entire string or word-by-word
String InspectorDeep analysis: chars, words, unique
Coin FlipFlip a coin and track heads/tails
Dice RollerRoll multiple dice types and see total
StopwatchPrecise timer with lap tracking
Countdown TimerSet a timer with visual progress bar
All utility tools →
Developer
JSON FormatterFormat, validate, or minify JSON
Hash GeneratorSHA-1, SHA-256, SHA-384, SHA-512
UUID GeneratorCryptographically secure v4 UUIDs
Regex TesterLive pattern matching + highlighting
URL Encode / DecodePercent-encode or decode URLs
HTML EntitiesEscape/unescape HTML characters
Base ConverterBinary ↔ Octal ↔ Decimal ↔ Hex
Roman NumeralsNumbers 1–3999 ↔ Roman notation
Lorem IpsumPlaceholder text generator
Markdown PreviewLive side-by-side MD rendering
CSS MinifierMinify CSS and see size reduction
JSON ↔ CSVConvert JSON array to CSV or vice versa
Diff CheckerHighlight added and removed lines
CRON ParserParse cron expressions and next run times
JWT EncoderSign a JWT token with HS256
Character DiffHighlight exact character changes
All dev tools →
Calculators
DiscountSale price & savings amount
VAT / TaxAdd or extract tax from a price
Tip CalculatorTip + total + per-person split
Compound InterestInvestment growth over time
Loan / EMIMonthly payment & total interest
Fuel CostTrip cost by distance + efficiency
BMR / TDEEDaily calorie needs
Water IntakeDaily hydration recommendation
Sleep CyclesBest wake times per 90-min cycles
Pregnancy Due DateLMP + 280 days (Naegele's rule)
Date DifferenceDays, weeks, months, working days
Time Zone ConverterConvert time to all major time zones
Statistics CalculatorMean, median, mode, std deviation
Aspect RatioSimplify ratio or calculate dimension
Number to WordsConvert numbers to EN/TR words
Currency ConverterApproximate static rates — 12 currencies
Quadratic SolverSolve ax²+bx+c=0 — real or complex roots
Scientific CalculatorFull scientific calculator with history
All calculators →
Color Tools
Color ConverterHEX ↔ RGB ↔ HSL ↔ CMYK
Contrast CheckerWCAG AA/AAA compliance
Shade GeneratorFull lightness scale from any color
Gradient BuilderLinear/radial CSS gradients
Color Blind SimulatorProtanopia, Deuteranopia, Tritanopia
Random Palette5 harmonious colors, CSS vars ready
Tint & Shade Generator9 tints + 9 shades from any color
All color tools →
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