Design
Image aspect ratio fitter
Fit an image into a new aspect ratio without cropping, using colored padding. Download a PNG.
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URL & subdomain sanitizer
Turn text into a URL-friendly slug, removing symbols and transliterating Turkish characters.
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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.
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Text
JSON formatter
Validate JSON and format it as readable, indented text. Your data stays in the browser.
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Design
APCA contrast tester
Measure perceptual contrast between text and background colors in APCA Lc. This is not a WCAG 2 pass/fail test.
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Design
SVG path compactor
Remove redundant whitespace from an SVG path string. Preserve the shape without rounding coordinates.
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Time
Cron schedule viewer
See the next five UTC runs of a five-field Cron expression. Searches within a one-year window.
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Text
Base64 text converter
Encode Unicode text to Base64 or decode Base64 back into text, entirely locally.
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Time
Custom Pomodoro cycle
Choose focus time, break time and repetitions to start your own focus timer.
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Design
CSS Grid generator
Turn column, row and gap values into a live grid preview and ready-to-use CSS.
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Text
Markdown table formatter
Convert tab-separated data into a Markdown table. The first row becomes the header.
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Calculators
Byte unit converter
Convert between bits, bytes and decimal or binary file-size units.
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Calculators
Password entropy estimate
Estimate theoretical entropy from the character pool. Assumes random selection; does not measure real password security.
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Text
Regex match inspector
Test a regular expression against text and inspect matches and positions. Long-running expressions are stopped.
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Time
Unix timestamp converter
Convert Unix seconds or milliseconds to a UTC date, or a date string to a timestamp.
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Design
HEX to RGBA mixer
Convert a HEX color and opacity percentage to CSS RGBA and preview the color.
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Text
URL query parser
Decode and list URL query parameters while preserving repeated keys.
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Text
HTML entity encoder
Convert special HTML characters to entities. The output is displayed as plain text.
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Text
Text diff checker
Compare two texts line by line, highlighting additions and deletions.
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Calculators
Paint procurement report for contractors
Turn net measurements into whole-can orders; see waste, leftover paint and material cost.
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Calculators
SaaS seat cost analysis for agencies
Compare purchased and active seats; find the monthly and annual cost of idle licenses.
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Time
Delivery capacity planner for translators
Schedule word counts at your translation speed; include revision time and identify capacity gaps.
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Calculators
DMX patch planner
Allocate mixed lighting fixtures across universes without overlapping addresses.
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Design
Print sheet yield planner
Compare print layouts with bleed, margins and grain-direction rotation limits.
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Time
Time-lapse capture planner
Plan photo count, shooting duration and storage from a target clip.
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Calculators
IPv4 subnet split planner
Split a parent network into equal subnets with usable ranges and paged CSV output.
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Calculators
Preferment dough batch planner
Scale a bakery batch while separating preferment flour and water from the final mix.
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