SmartPlusLab
Tools
Online tools with clear inputs, predictable outputs, and honest privacy and limit notes.
-
Repeat Text
Repeat any text a specified number of times with a custom separator, line break, or delimiter.
Text Tools -
Text Replacer
Find and replace text online with optional case-sensitive matching and instant replacement counts.
Text Tools -
Reverse Text
Reverse characters, words, or lines in your text with optional formatting controls.
Text Tools -
Text to Slug
Convert text and titles into clean, URL-ready slug strings with customizable separators and letter casing.
Text Tools -
Sort Lines
Sort lines of text alphabetically, numerically, by line length, or in random order with duplicate removal and case options.
Text Tools -
Text Sorter
Sort lines of text alphabetically, by length, numerically, or in random order. Trim whitespace and remove duplicates with a click.
Text Tools -
Text Statistics Dashboard
Analyze text metrics including word counts, character distributions, word frequencies, readability ratings, and estimated reading times.
Text Tools -
Text Stats
Calculate word count, character count, sentences, paragraphs, reading time, and readability score for any text.
Text Tools -
Text to HTML Converter
Convert plain text into HTML markup with character entity encoding, configurable paragraph wrapping, newline conversion, and clickable web links.
File Converters -
SSML Generator
Generate structured SSML markup from plain text with customizable voice, rate, pitch, and volume settings for text-to-speech engines.
Text Tools -
Truncate Text
Trim and shorten text by characters, words, or sentences with an optional custom suffix.
Text Tools -
Word Wrap & Line Numbers
Wrap text to a set line width between 10 and 500 characters and optionally add formatted line numbers.
Text Tools -
Time Duration Converter
Convert durations between seconds, minutes, hours, days, weeks, months, years, and sub-second units.
Converters -
Time to Decimal Converter
Convert standard colon-separated time values to decimal hours or minutes, and convert decimal numbers back to formatted time.
Time & Date -
Multi Timezone Converter
Convert civil times across multiple cities and IANA time zones side by side.
Time & Date -
Timestamp Converter
Convert Unix timestamps to UTC and local date/time, or turn supported date strings into Unix timestamps.
Time & Date -
Timezone Converter
Convert times between standard global timezone abbreviations with 24-hour and 12-hour display options.
Time & Date -
World Time Converter
Convert times across multiple world timezones with optional date alignment and 24-hour display settings.
Time & Date -
Tip Calculator
Calculate tip amounts, total bills, and equal per-person shares for any group size.
Finance -
TOML to JSON Converter
Convert TOML configuration text to JSON format with custom indentation and optional key sorting.
File Converters -
Triangle Calculator
Calculate triangle side lengths, interior angles, area, perimeter, and geometric classifications from known measurements.
Math & Numbers -
Trim Video
Trim video files online into custom MP4 clips by specifying start time and duration.
Video & Audio -
Tweet Generator
Format social posts, combine comma-separated hashtags, and check total character count against the 280-character limit.
Social & Media -
Twitter Card Generator
Generate Twitter Card HTML meta tags with customizable titles, descriptions, images, and author handles for web pages.
SEO & Web -
ULID Generator
Generate universally unique lexicographically sortable identifiers with millisecond precision and base32 encoding.
Developer Tools -
Unicode Inspector
Inspect text character by character with code points, UTF-8 byte breakdowns, counts, and category labels.
Text Tools -
Unit Price Calculator
Calculate the cost per unit, ounce, gram, or piece to compare product value across different package sizes.
Finance -
URL Builder
Construct and format complete URLs from protocol, host, port, path, query parameters, and anchor fragments.
Network Tools -
URL Decoder
Decode percent-encoded URLs and query strings into readable text and check for double-encoded characters.
Network Tools -
URL Encoder
Encode text, query parameters, special symbols, and Unicode characters for web addresses and URLs.
Network Tools