YOUR EVERYDAY TOOLBOX

Less searching.
More getting it done.

1,083 working tools in 90 focused sections. Search by task, browse a category, or return to your favorites.

PDF & documents

Make the paperwork work for you.

Browse 33 tools →

PDF & documents20 tools →PDF production workflows13 tools →

Images & compression

Smaller files. Better-looking pixels.

Browse 47 tools →

Images & compression25 tools →Crop, cut out & prepare9 tools →Image colors & effects13 tools →

Text & writing

A little less editing. A lot more clarity.

Browse 54 tools →

Text & writing25 tools →Clean, format & compare29 tools →

Developer tools

Useful utilities, without the round trip.

Browse 51 tools →

Developer tools25 tools →JSON & structured data26 tools →

QR & barcodes

Turn useful information into something scannable.

Browse 15 tools →

Text QR code

Create a QR code containing plain text.

URL QR code

Create a QR code for an HTTP or HTTPS address.

WiFi QR code

Make a WiFi connection code with escaped credentials.

Email QR code

Encode an email recipient and subject.

Everyday calculators

Clear answers, with the working shown.

Browse 25 tools →

Percentage calculator

Find a percentage of a number.

Percentage change

Compare a new value with an original nonzero value.

Percentage difference

Compare two nonnegative values using their average.

Discount calculator

Find the final price and saving after a percentage discount.

Study & statistics

Understand the numbers behind your work.

Browse 15 tools →

Weighted grade calculator

Calculate a grade from assessment scores and weights.

GPA calculator

Calculate credit-weighted grade points on a supplied scale.

Final exam score needed

Find the final exam score needed to reach your target.

Fraction simplifier

Reduce an integer fraction using the greatest common divisor.

Local & global work

For your desk, your shop and your field.

Browse 30 tools →

Sri Lanka income tax estimator

Estimate annual progressive income tax using your verified brackets.

Sri Lanka monthly tax estimator

Annualize monthly income and estimate an average monthly tax.

Sri Lanka EPF estimator

Calculate employee and employer contributions from supplied rates.

Sri Lanka ETF estimator

Estimate employer ETF contribution using a supplied rate.

Date, time & color

Find the right time. Pick the right shade.

Browse 20 tools →

Date difference calculator

Find the whole-day difference between two calendar dates.

Add days to date

Add or subtract a whole number of calendar days.

Age calculator

Calculate calendar age on a date you choose.

ISO week number

Find the ISO week and ISO week-numbering year.

Files & local generators

Convert and package, right where your files are.

Browse 10 tools →

File SHA-256 checksum

Compute a SHA-256 file checksum locally.

Text file generator

Download plain text as a UTF-8 file.

JSON file generator

Validate and download JSON as a formatted file.

CSV file generator

Normalize CSV and neutralize spreadsheet-formula prefixes.

Unit converters

Precise units for everyday, scientific and international work.

Browse 672 tools →

Length & distance19 tools →Land & floor area19 tools →Surface area11 tools →Volume & capacity21 tools →Cooking measures19 tools →Mass & weight21 tools →Precious metal mass13 tools →Temperature6 tools →Temperature differences5 tools →Time durations15 tools →Speed15 tools →Acceleration13 tools →Pressure & stress19 tools →Energy & work21 tools →Power17 tools →Force15 tools →Torque13 tools →Angles11 tools →Frequency11 tools →Rotational speed9 tools →Digital storage21 tools →Data transfer rates17 tools →Density13 tools →Liquid & air flow17 tools →Mass flow13 tools →Dynamic viscosity11 tools →Kinematic viscosity9 tools →Electric current9 tools →Voltage9 tools →Electrical resistance9 tools →Capacitance9 tools →Inductance7 tools →Electric charge & battery capacity11 tools →Electrical conductance7 tools →Magnetic flux density9 tools →Magnetic flux7 tools →Illuminance7 tools →Thermal conductivity7 tools →Specific heat capacity7 tools →Heat flux7 tools →Insulation R values5 tools →Fuel economy distance per volume5 tools →Mass concentration11 tools →Molar concentration9 tools →Amount of substance9 tools →Percent, ppm & fractions9 tools →Paper & fabric surface mass9 tools →Harvest yield9 tools →Field application volume7 tools →Rainfall & irrigation intensity7 tools →Textile linear density7 tools →Print & screen density5 tools →Spring stiffness9 tools →Surface tension5 tools →Mass moment of inertia7 tools →Second moment of area7 tools →Electrical conductivity7 tools →Electrical resistivity7 tools →Thermal diffusivity7 tools →Specific energy9 tools →Volumetric energy density9 tools →Specific volume7 tools →Material stress in customary units7 tools →

Work & project calculators

Plan purchases, projects, growing and engineering with visible formulas.

Browse 88 tools →

Retail & inventory10 tools →Business & freelance13 tools →Building & materials10 tools →Home & energy4 tools →Geometry & dimensions11 tools →Mechanics & heat10 tools →Electronics & circuits10 tools →Farming & growing6 tools →Digital media & storage8 tools →Cooking & recipes6 tools →

Passwords & encryption

Generate secrets and protect local files with browser cryptography.

Browse 13 tools →

Custom password generator

Generate passwords from your chosen alphabet using unbiased cryptographic randomness.

Secure random token generator

Generate random bytes and format them as hexadecimal or Base64url tokens.

Password composition checker

Inspect length, Unicode characters, repeated runs and character classes locally.

Random password entropy calculator

Calculate entropy for an independently and uniformly random password alphabet.

Less searching.More getting it done.