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Tools for the small tasks.
Browse finance calculators, developer and text utilities, file converters, and image, audio, video, and PDF workflows. Categories group related tasks; search by the action or format you need.
Developer tools
64 availableChoose a tool
JSON & DataInspect, format and convert structured data locally.Encoding & ConversionTranslate text, bytes, URLs and common encodings.Text & FormattingClean, transform and reshape everyday text quickly.RegexTest and replace text with regular expressions.CSS / WebFormat, convert and prepare web content and styles.Developer UtilitiesUseful tools for debugging, identifiers and developer workflows.
Developer / JSON & Data
5 toolsJSON & Data
JSON Formatter
Format, validate, minify and copy JSON locally.
Open toolCSV to Markdown Table
Convert CSV data into a clean Markdown table locally.
Open toolXML to JSON
Convert XML into readable JSON locally in your browser.
Open toolJSON to YAML
Convert JSON into readable YAML locally in your browser.
Open toolYAML to JSON
Convert YAML into readable JSON locally in your browser.
Open toolDeveloper / Encoding & Conversion
15 toolsEncoding & Conversion
Base64 Encoder
Encode or decode text in your browser.
Open toolText to Base64
Encode arbitrary Unicode text to standard Base64 directly in your browser.
Open toolBase64 to Text
Decode standard Base64 UTF-8 text back into the original Unicode text in your browser.
Open toolASCII ↔ Text Converter
Convert standard ASCII character codes to text and text to ASCII directly in your browser.
Open toolNATO Phonetic Alphabet Converter
Convert text to the NATO phonetic alphabet or decode NATO phonetic words directly in your browser with Zobnu.
Open toolHEX ↔ Text Converter
Convert UTF-8 text to hexadecimal bytes and hexadecimal bytes back to text locally in your browser.
Open toolHEX ↔ ASCII Converter
Convert standard ASCII characters to HEX and HEX values from 00 to 7F back to ASCII locally.
Open toolDeveloper / Text & Formatting
25 toolsText & Formatting
Word Counter
Count words, characters, sentences and lines locally.
Open toolRemove Duplicate Lines
Remove repeated lines while preserving their original order.
Open toolSort Lines
Sort text lines alphabetically, numerically, or by case with dedupe and empty-line control.
Open toolSlug Generator
Convert titles and text into clean URL-friendly slugs.
Open toolNew Line to Comma
Join lines with comma-space separators while preserving line whitespace; blank lines remain empty comma-separated entries.
Open toolReplace Spaces with Commas
Replace each run of whitespace between values with one comma; leading and trailing whitespace is ignored.
Open toolReplace Spaces with Semicolons
Replace each run of whitespace between values with one semicolon; leading and trailing whitespace is ignored.
Open toolDeveloper / Regex
2 toolsRegex
Developer / CSS / Web
7 toolsCSS / Web
DOCX to Markdown Converter
Convert Word DOCX documents to Markdown locally while preserving headings, formatting, lists, links and tables.
Open toolCSS Gradient Generator
Generate linear and radial CSS gradients locally in your browser.
Open toolMarkdown to HTML
Convert Markdown into selectable HTML source locally in your browser.
Open toolMarkdown to PDF Converter
Convert Markdown into a readable PDF document directly in your browser without uploading your content.
Open toolHTML to PDF Converter
Convert HTML to PDF locally with a safe preview and browser-only processing.
Open toolHTML to Markdown
Convert practical HTML into readable Markdown locally in your browser.
Open toolCSS Formatter
Beautify CSS into readable, consistently indented code locally in your browser.
Open toolDeveloper / Developer Utilities
10 toolsDeveloper Utilities
Hash Generator
Generate SHA hashes from text instantly in your browser.
Open toolNumber Base Converter
Convert numbers between binary, octal, decimal, hexadecimal and custom bases from 2 to 36.
Open toolNumber to Words Converter
Convert numbers into English words instantly in your browser.
Open toolRoman Numerals Converter
Convert numbers to Roman numerals and Roman numerals back to numbers instantly in your browser.
Open toolSpeech to Text
Transcribe microphone speech through the browser's Web Speech API. Recognition support and audio handling depend on the browser or operating-system speech service and may require a network connection.
Open toolText to Speech
Convert text into spoken audio directly in the browser using the Web Speech API.
Open toolCron Reader
Explain standard five-field cron expressions in plain language.
Open toolFinance tools
4 availableChoose a tool
Security tools
1 availableChoose a tool
Utilities tools
100 availableChoose a tool
Image to Base64 Converter
Convert images to Base64 and Data URL strings directly in your browser.
Open toolImage Cropper
Crop images locally with drag-and-drop controls, custom crop sizing, and fixed aspect ratios.
Open toolImage Resizer
Resize images to exact dimensions or percentages directly in your browser.
Open toolPixelate Image
Pixelate photos locally in your browser and download the processed result without uploading anything.
Open toolPixel Art Converter
Convert images into crisp low-resolution pixel-art directly in your browser with adjustable resolution and color count.
Open toolImage Flipper
Flip images horizontally or vertically directly in your browser with no uploads.
Open toolImage Rotator
Rotate images by 90°, 180°, 270°, or a custom angle directly in your browser.
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