Design
Image aspect ratio fitter
Fit an image into a new aspect ratio without cropping, using colored padding. Download a PNG.
Use tool
Tools
Tools
Calculate, convert, get it done. One page. Always free.
33tools
20 language
20 language
All tools
33 toolsText
URL & subdomain sanitizer
Turn text into a URL-friendly slug, removing symbols and transliterating Turkish characters.
Use tool
Calculators
Net income for remote workers
Full-year 2026 estimate for a local employee with constant pay; excludes self-employment and cross-border tax treaties.
Use tool
Text
JSON formatter
Validate JSON and format it as readable, indented text. Your data stays in the browser.
Use tool
Design
APCA contrast tester
Measure perceptual contrast between text and background colors in APCA Lc. This is not a WCAG 2 pass/fail test.
Use tool
Design
SVG path compactor
Remove redundant whitespace from an SVG path string. Preserve the shape without rounding coordinates.
Use tool
Time
Cron schedule viewer
See the next five UTC runs of a five-field Cron expression. Searches within a one-year window.
Use tool
Text
Base64 text converter
Encode Unicode text to Base64 or decode Base64 back into text, entirely locally.
Use tool
Time
Custom Pomodoro cycle
Choose focus time, break time and repetitions to start your own focus timer.
Use tool
Design
CSS Grid generator
Turn column, row and gap values into a live grid preview and ready-to-use CSS.
Use tool
Text
Markdown table formatter
Convert tab-separated data into a Markdown table. The first row becomes the header.
Use tool
Calculators
Byte unit converter
Convert between bits, bytes and decimal or binary file-size units.
Use tool
Calculators
Password entropy estimate
Estimate theoretical entropy from the character pool. Assumes random selection; does not measure real password security.
Use tool
Text
Regex match inspector
Test a regular expression against text and inspect matches and positions. Long-running expressions are stopped.
Use tool
Time
Unix timestamp converter
Convert Unix seconds or milliseconds to a UTC date, or a date string to a timestamp.
Use tool
Design
HEX to RGBA mixer
Convert a HEX color and opacity percentage to CSS RGBA and preview the color.
Use tool
Text
URL query parser
Decode and list URL query parameters while preserving repeated keys.
Use tool
Text
HTML entity encoder
Convert special HTML characters to entities. The output is displayed as plain text.
Use tool
Text
Text diff checker
Compare two texts line by line, highlighting additions and deletions.
Use tool
Calculators
Paint procurement report for contractors
Turn net measurements into whole-can orders; see waste, leftover paint and material cost.
Use tool
Calculators
SaaS seat cost analysis for agencies
Compare purchased and active seats; find the monthly and annual cost of idle licenses.
Use tool
Time
Delivery capacity planner for translators
Schedule word counts at your translation speed; include revision time and identify capacity gaps.
Use tool
Calculators
DMX patch planner
Allocate mixed lighting fixtures across universes without overlapping addresses.
Use tool
Design
Print sheet yield planner
Compare print layouts with bleed, margins and grain-direction rotation limits.
Use tool
Time
Time-lapse capture planner
Plan photo count, shooting duration and storage from a target clip.
Use tool
Calculators
IPv4 subnet split planner
Split a parent network into equal subnets with usable ranges and paged CSV output.
Use tool
Calculators
Preferment dough batch planner
Scale a bakery batch while separating preferment flour and water from the final mix.
Use tool
Calculators
Speaker arrival alignment
Calculate additional delay for two speaker paths at one listening position.
Use tool
Calculators
Seed-lot sowing planner
Convert a target stand and measured seed-lot quality into kg/ha and total seed mass.
Use tool
Calculators
Bolt circle coordinate planner
Generate numbered X/Y centers for evenly spaced holes, with a diagram and CSV.
Use tool
Calculators
Roll stock length estimator
Estimate usable roll length, area and the shortage for a print job without unwinding.
Use tool
Design
Knife pleat marking planner
Fit existing fabric to a finished width and obtain every fold and matching mark.
Use tool
Design
AI image watermark remover
Find, remove and recheck supported invisible pixel watermarks on your device. Images stay in your browser.
Use tool
No tools match your search.