Text & Developer Tools
Text and developer utilities run primarily in your browser. Format JSON, encode data, clean copy, count words and generate QR codes without sending content to a server when local processing is enough.
66
tools in this category
Popular text & dev tools
Frequently opened tools in this category.
8 tools
Base64 DecoderDecode Base64 to text online. Paste an encoded string and recover readable output in your browser.Base64 EncoderEncode text to Base64 online. Convert strings for data URLs, tokens and debugging. Private browser encoding.Case ConverterConvert text case online: uppercase, lowercase, title case, sentence case and more: free in your browser.Character CounterCount characters online, with and without spaces. Ideal for bios, SMS limits and meta descriptions.JSON FormatterFormat and beautify JSON online. Pretty-print minified JSON, validate structure and copy readable output.QR Code GeneratorGenerate QR codes from URLs or text online. Download a scannable QR image: free and private in your browser.
Writing
Count, convert, and generate text.
9 tools
Case ConverterDeveloperConvert text case online: uppercase, lowercase, title case, sentence case and more: free in your browser.Character CounterDeveloperCount characters online, with and without spaces. Ideal for bios, SMS limits and meta descriptions.Word CounterDeveloperCount words in your text online. Paste writing and see word totals update live: free, private, no signup.Lorem Ipsum GeneratorDeveloperGenerate classic placeholder paragraphs for mockups.Lowercase ConverterDeveloperConvert text to lowercase instantly.Reading Time CalculatorDeveloperEstimate reading time at about 200 words per minute.Sentence Case ConverterDeveloperCapitalize the first letter of each sentence.Title Case ConverterDeveloperCapitalize each word for headlines and titles.Uppercase ConverterDeveloperConvert text to UPPERCASE instantly in your browser.
Text cleanup
Remove noise and normalize strings.
5 tools
Text CleanerDeveloperClean messy text online. Strip extra spaces, tidy line breaks and remove common clutter from pasted content.Remove Duplicate LinesDeveloperKeep the first occurrence of each unique line.Remove Empty LinesDeveloperDelete blank or whitespace-only lines from text.Remove Extra SpacesDeveloperCollapse repeated spaces while preserving line breaks.Text Diff CheckerDeveloperLine-level diff using longest common subsequence.
JSON & data
Format and convert structured data.
10 tools
JSON FormatterDeveloperFormat and beautify JSON online. Pretty-print minified JSON, validate structure and copy readable output.CSV to JSONDeveloperParse CSV into a pretty-printed JSON array.JSON EscapeDeveloperEscape or unescape JSON string contents.JSON MinifierDeveloperMinify JSON by removing insignificant whitespace.JSON to CSVDeveloperConvert an array of JSON objects into CSV.JSON to YAMLDeveloperConvert JSON documents into YAML.JSON ValidatorDeveloperValidate JSON and surface parse errors instantly.XML FormatterDeveloperPretty-print XML with indentation.XML ValidatorDeveloperValidate XML using the browser DOMParser when available.YAML to JSONDeveloperParse YAML into pretty-printed JSON.
Encoding
Base64, URL, and escape utilities.
5 tools
Base64 DecoderDeveloperDecode Base64 to text online. Paste an encoded string and recover readable output in your browser.Base64 EncoderDeveloperEncode text to Base64 online. Convert strings for data URLs, tokens and debugging. Private browser encoding.String EscapeDeveloperEscape or unescape common JavaScript string control characters.URL DecoderDeveloperDecode percent-encoded URL components.URL EncoderDeveloperencodeURIComponent for safe query and path segments.
Formatting
Beautify code and markup.
6 tools
CSS FormatterDeveloperBasic CSS formatting with rule breaks and indentation.HTML FormatterDeveloperIndent HTML for readability.HTML to MarkdownDeveloperConvert HTML markup into Markdown with Turndown.JavaScript FormatterDeveloperFormat JavaScript with Prettier standalone when available.Markdown to HTMLDeveloperConvert GitHub-flavored Markdown to HTML in your browser.SQL FormatterDeveloperPretty-print SQL queries with sql-formatter.
Hashing & crypto
Hashes, UUIDs, and password tools.
5 tools
Hash GeneratorDeveloperMD5 plus SHA-1/256/512 digests for the same input.MD5 GeneratorDeveloperCompute an MD5 digest of text (not for passwords).SHA256 GeneratorDeveloperSHA-256 digest via Web Crypto SubtleCrypto.SHA512 GeneratorDeveloperSHA-512 digest via Web Crypto.UUID GeneratorDeveloperGenerate version-4 UUIDs in batches.
Web
Regex, cron, JWT, and web helpers.
6 tools
QR Code GeneratorDeveloperGenerate QR codes from URLs or text online. Download a scannable QR image: free and private in your browser.Color ConverterDeveloperConvert hex colors to RGB and HSL.Cron Expression GeneratorDeveloperBuild a 5-field cron expression from each field.JWT DecoderDeveloperDecode JWT header and payload without verifying the signature.Regex TesterDeveloperTest JavaScript regular expressions against sample text.Text to SlugDeveloperConvert a phrase into a URL-safe slug.
More tools
Additional utilities in this category.
20 tools
Binary ConverterDeveloperConvert between decimal and binary.Find and ReplaceDeveloperFind and replace plain text or regular expressions across a document.Hex ConverterDeveloperConvert between decimal and hexadecimal.HTML Entity DecoderDeveloperDecode common HTML entities back to characters.HTML Entity EncoderDeveloperEscape &, <, >, and quotes as HTML entities.Line CounterDeveloperCount total lines and non-empty lines in text.Number Base ConverterDeveloperConvert integers between bases 2 and 36.Paragraph CounterDeveloperCount paragraphs separated by blank lines in your writing.Random Text GeneratorDeveloperGenerate random English-like words for testing UIs.Sentence CounterDeveloperCount sentences in any pasted draft with live updates.Text DeduplicatorDeveloperRemove duplicate words while preserving first-seen order.Text ExtractorDeveloperStrip HTML tags and return readable plain text.Text JoinerDeveloperJoin non-empty lines into a single comma-separated string.Text ReverserDeveloperReverse characters in a string from end to start.Text SorterDeveloperSort lines alphabetically A→Z in your browser.Text SplitterDeveloperSplit a string on a custom separator into lines.Text TrimmerDeveloperTrim leading and trailing spaces on every line.Timestamp ConverterDeveloperConvert Unix seconds or milliseconds to readable dates.Unix Timestamp GeneratorDeveloperLive Unix time in seconds and milliseconds.Word Frequency CounterDeveloperRank the most common words in your text.
How it works
- 01
Choose a text or developer utility.
- 02
Paste or type your input.
- 03
Apply the transformation or generation.
- 04
Copy or download the output.