Text Cleaner
Build a reusable Unicode cleanup, extraction, and formatting pipeline for untidy text and lists.
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Remove Duplicate Lines
Deduplicate lines while controlling case, whitespace, order, and blanks.
Open toolRemove Empty Lines
Delete blank rows or collapse them while preserving paragraph structure.
Open toolTrim Whitespace
Remove unwanted leading or trailing whitespace with indentation control.
Open toolRemove Extra Spaces
Normalize repeated spaces, tabs, and non-breaking spaces safely.
Open toolSort Lines
Sort text alphabetically, naturally, numerically, or by length.
Open toolAdd Prefix and Suffix
Wrap, number, or punctuate every line with practical presets.
Open toolDelimiter Converter
Convert lists between lines, commas, tabs, pipes, and custom separators.
Open toolCompare Two Lists
Find unique, shared, and duplicated items across two lists.
Open toolFind and Replace
Replace plain text or guarded regular-expression matches.
Open toolCase Converter
Switch text among readable, coding, path, and letter-case formats.
Open toolWord, Character and Line Counter
Measure words, grapheme characters, lines, sentences, time, and UTF-8 bytes.
Open toolJoin Lines
Combine rows with a standard or custom separator and optional quoting.
Open toolSplit Text into Lines
Break delimited or regex-matched text into clean one-value-per-line output.
Open toolNumber Lines
Add numbers, letters, Roman numerals, bullets, checklists, or custom markers.
Open toolSplit Text into Chunks
Create overlapping character, word, line, or paragraph chunks with labels.
Open toolEmail Extractor
Find practical email patterns, filter domains, and summarize results.
Open toolURL Extractor
Extract web URLs, normalize components, filter hosts, and count domains.
Open toolNumber Extractor
Extract localized numbers, percentages, currency-like values, and optional phones.
Open toolRegex Extractor
Extract whole matches or capture groups with positions and a guarded worker.
Open toolInvisible Character Detector
Find zero-width, directional, control, and unusual spacing characters with exact positions.
Open toolInvisible Character Remover
Conservatively remove selected hidden characters without breaking emoji joiners by default.
Open toolUnicode Normalizer
Normalize text to NFC, NFD, NFKC, or NFKD and compare changed code-point positions.
Open toolUnicode Code Point Inspector
Inspect characters or graphemes with code points, encodings, categories, positions, and export.
Open toolJSON Formatter and Validator
Validate JSON, pinpoint syntax errors, and format it with controlled indentation and Unicode output.
Open toolJSON Minifier
Validate JSON and remove insignificant whitespace while preserving string values exactly.
Open toolJSON to CSV
Convert an array of JSON objects to previewable, configurable CSV.
Open toolCSV to JSON
Parse quoted CSV safely and convert rows to JSON objects or arrays.
Open toolCSV Viewer and Cleaner
Preview, filter, reshape, clean, sort, and export CSV entirely in a Web Worker.
Open toolBase64 Encode and Decode
Encode or decode UTF-8 text with standard Base64 or Base64URL.
Open toolURL Encoder and Decoder
Encode full URLs or URI components and decode percent-encoded text.
Open toolHTML Entity Encoder and Decoder
Escape HTML special characters or decode named and numeric entities.
Open toolJWT Decoder
Decode JWT header and payload claims without verifying the signature.
Open toolUnix Timestamp Converter
Convert epoch seconds, milliseconds, and ISO date strings.
Open toolUUID Generator and Inspector
Generate UUID v4 values in bulk or inspect UUID version and variant.
Open toolHTML to Plain Text
Remove HTML tags while preserving readable text, links, lists, and alt text.
Open toolHTML to Markdown
Convert common HTML document structure into Markdown source.
Open toolMarkdown to HTML
Convert Markdown into raw HTML and a sanitized preview source.
Open toolMarkdown Table Generator
Turn CSV, TSV, or pasted spreadsheet rows into Markdown table syntax.
Open toolHTML Table to CSV
Extract pasted HTML table markup into CSV or TSV rows.
Open toolJSON to YAML
Convert valid JSON into readable YAML with indentation and quoting controls.
Open toolYAML to JSON
Convert common YAML mappings and sequences into JSON.
Open toolYAML Formatter and Validator
Validate and format common YAML with indentation and duplicate-key warnings.
Open toolXML Formatter and Validator
Check whether XML is well formed and pretty-print or minify it.
Open toolXML to JSON
Map XML elements, attributes, and text nodes into JSON.
Open toolFilter Lines
Keep or remove lines using text, regex, numeric, or length rules.
Open toolColumn Extractor
Extract selected columns from CSV, TSV, pipe, whitespace, or custom-delimited text.
Open toolRandomize Lines
Shuffle lines, take a random sample, or create repeated shuffled copies.
Open toolReverse Lines
Reverse line order, characters, whole text, or word order safely.
Open toolWord Frequency Counter
Count repeated words, unique words, ranks, counts, and percentages.
Open toolCSV Validator and Data Profiler
Inspect CSV structure, inferred types, empty cells, cardinality, and formula-like values.
Open toolCSV Join and Merge
Join two CSV datasets by one or more keys with explicit duplicate and join rules.
Open toolCSV Diff Viewer
Compare two CSV datasets by key or row position and show changed cells.
Open toolCSV Pivot and Unpivot
Reshape CSV data between long and wide layouts with transparent aggregation rules.
Open toolCSV Splitter
Split a CSV by row count, approximate size, or column value and download one ZIP.
Open toolCSV Transpose
Swap CSV rows and columns while preserving uneven values with explicit labels.
Open toolCSV Data Masker
Redact, alias, or pseudonymize selected CSV columns locally for safer test data.
Open toolCSV Encoding Converter
Decode common CSV encodings and produce a UTF-8 file locally.
Open toolHash and Checksum Generator/Verifier
Generate or compare SHA-1, SHA-256, SHA-384, and SHA-512 digests locally.
Open toolHMAC Generator/Verifier
Generate or compare HMAC-SHA-256/384/512 values using a local key.
Open toolJWT Signature Verifier
Verify supported JWT signatures with a local secret, PEM public key, or JWK.
Open toolXPath Tester
Evaluate XPath expressions against pasted XML with optional namespace mappings.
Open toolOpenAPI Diff Viewer
Compare two OpenAPI JSON or YAML documents and report changed specification paths.
Open toolXML Diff Viewer
Compare two XML documents structurally while ignoring attribute order.
Open toolSemantic Version Range Tester
Test semantic versions against common comparator, caret, tilde, and wildcard ranges.
Open toolJSON5 Formatter and Converter
Validate JSON5, format it, minify it, and convert it to strict JSON locally.
Open toolJSON Diff Viewer
Compare two JSON documents and explain added, removed, changed, and type-changed values
Open toolJSON Merge
Merge two or more JSON objects while controlling conflicts, arrays, and null values
Open toolJSON Flatten and Unflatten
Flatten nested objects into path-value pairs or reconstruct nested JSON from flat keys
Open toolJSON Sort Keys
Sort JSON object keys recursively or at selected depths without changing values
Open toolJSONPath Tester
Run JSONPath expressions against pasted JSON and inspect matched values and paths
Open toolJSON Pointer Evaluator
Resolve, build, and explain RFC 6901 JSON Pointer paths
Open toolJSON Schema Generator
Infer a JSON Schema from one or more sample JSON documents
Open toolJSON Schema Validator
Validate a JSON instance against a pasted JSON Schema and show precise failing paths
Open toolNDJSON Formatter and Validator
Validate one JSON value per line, format records, and locate invalid NDJSON rows
Open toolJSON Array and NDJSON Converter
Convert a JSON array to NDJSON or combine NDJSON records into a JSON array
Open toolJSON to TypeScript
Infer TypeScript interfaces or type aliases from sample JSON
Open toolQuery String Parser and Builder
Parse query strings into key-value rows and rebuild encoded query strings
Open toolURL Parser and Inspector
Parse a URL into scheme, credentials, host, port, path, query, and fragment
Open toolHTTP Header Parser
Parse raw HTTP request or response headers and explain common fields
Open toolCookie Parser and Formatter
Parse Cookie or Set-Cookie headers into names, values, and attributes
Open toolcURL Converter
Convert a pasted cURL command to Fetch or Axios and rebuild supported cURL commands
Open toolCron Expression Parser
Parse cron expressions, explain schedules, and show the next matching times
Open toolCron Expression Generator
Generate cron expressions from common scheduling controls and preview run times
Open toolSemantic Version Comparator
Validate, compare, sort, and explain semantic-version strings
Open toolSQL Formatter
Format SQL statements with configurable indentation and keyword case
Open toolSQL Minifier
Remove unnecessary SQL whitespace and optionally comments without changing quoted strings
Open toolCSV to SQL Insert
Convert CSV rows into SQL INSERT statements with explicit table and type rules
Open toolRegex Tester
Test regular expressions, highlight matches, inspect groups, and explain flags
Open toolOpenAPI Formatter and Validator
Format and validate local OpenAPI JSON or YAML documents
Open toolText Diff Viewer
Compare two text blocks and highlight inserted, deleted, and changed content
Open toolNormalize Line Endings
Detect and convert CRLF, LF, and CR line-ending styles without changing line content
Open toolTabs to Spaces
Convert tab characters to spaces using a configurable tab width
Open toolSpaces to Tabs
Convert leading groups of spaces to tabs using a chosen indentation width
Open toolWrap Text to Column Width
Wrap paragraphs to a target column width without breaking words by default
Open toolUnwrap Hard-Wrapped Text
Remove hard line breaks inside paragraphs while preserving true paragraph boundaries
Open toolRemove Diacritics
Remove combining marks and common diacritics while preserving readable base characters
Open toolEmoji Extractor
Extract emoji sequences, count them, and preserve their original order
Open toolEmoji Remover
Remove emoji sequences while preserving ordinary Unicode text and nearby spacing
Open toolHashtag Extractor
Find hashtag-like tokens, normalize them, and summarize frequency
Open toolMention Extractor
Extract `@username`-style mentions and report unique values and frequency
Open toolDomain Extractor
Find domain and hostname values in URLs, email addresses, and plain text
Open toolDate Extractor
Extract date-like values in selected formats and optionally normalize them to ISO output
Open toolPhone Number Normalizer
Clean punctuation and normalize phone numbers using a selected default country
Open toolSlug Generator
Convert titles or labels into configurable URL-friendly slugs
Open toolFilename Sanitizer
Replace or remove characters that are unsafe across common operating systems
Open toolHex Encoder and Decoder
Encode UTF-8 text as hexadecimal bytes or decode valid hex back to text
Open toolBinary Text Converter
Encode UTF-8 text as binary bytes or decode binary byte sequences to text
Open toolBase32 Encoder and Decoder
Encode UTF-8 text to Base32 or decode Base32 input with validation
Open toolBase58 Encoder and Decoder
Encode UTF-8 bytes with Base58 and decode valid Base58 strings
Open toolUnicode Escape and Unescape
Escape text as Unicode sequences and decode supported escapes back to characters
Open toolJavaScript String Escape and Unescape
Escape or unescape text for JavaScript string and template literals
Open toolJSON String Escape and Unescape
Escape raw text for a JSON string or decode a valid JSON string value
Open toolPunycode and IDN Converter
Convert internationalized domain names between Unicode and Punycode forms
Open toolROT13 and Caesar Cipher
Encode or decode ROT13 and configurable Caesar shifts
Open toolMorse Code Converter
Encode supported text as Morse code or decode Morse sequences back to text
Open toolNumber Base Converter
Convert signed integers among binary, octal, decimal, hexadecimal, and custom bases
Open toolScientific Notation Converter
Convert decimal values to scientific notation and expand exponent notation
Open toolRoman Numeral Converter
Convert supported positive integers to Roman numerals and validate Roman-numeral input
Open toolCSV to HTML Table
Convert CSV or TSV into escaped, accessible HTML table markup
Open toolJSON to HTML Table
Convert suitable JSON arrays or objects into escaped HTML tables
Open toolTOML Formatter and Validator
Parse TOML, report syntax errors, and generate consistently formatted output
Open toolTOML to JSON
Parse TOML into JSON while documenting datetime and type conversion
Open toolJSON to TOML
Convert compatible JSON objects to TOML with clear warnings for unsupported shapes
Open toolINI Formatter and Parser
Parse common INI syntax, report issues, and produce consistent formatting
Open toolINI to JSON
Convert common INI configuration into JSON using explicit section and value rules
Open toolJSON to INI
Convert simple JSON objects into INI sections and key-value pairs
Open toolENV File Formatter
Format dotenv-style files, detect duplicates, and preserve value semantics
Open toolENV to JSON
Convert dotenv-style key-value entries into JSON without evaluating variable expansion
Open toolJSON to ENV
Convert a compatible JSON object into dotenv-style key-value lines
Open toolSKU Generator
Generate configurable SKU values from product attributes, prefixes, counters, and random segments
Open toolSKU Cleaner and Normalizer
Normalize separators, capitalization, whitespace, and allowed characters in SKU lists
Open toolInvoice Number Generator
Generate invoice numbers from prefixes, dates, sequences, and padding rules
Open toolUTM Builder and Cleaner
Add, inspect, edit, remove, and normalize UTM campaign parameters
Open toolBulk Filename Planner
Create a previewable rename plan from pasted filenames without touching local files
Open toolFull Name Splitter
Split full-name strings into configurable first, middle, and last-name fields
Open toolContact CSV Merger
Merge contact CSV exports using email, phone, or selected identifiers
Open toolProduct Title Cleaner
Clean product titles by normalizing whitespace, punctuation, case, and repeated promotional phrases
Open toolReadability Score Calculator
Calculate common English readability scores and explain their limitations
Open toolSyllable Counter
Estimate English syllable counts and show uncertain words for manual review
Open toolCloze Deletion Generator
Create fill-in-the-blank study text by selecting words or matching patterns
Open toolFlashcard CSV Formatter
Format question-answer pairs as CSV or TSV for common flashcard applications
Open toolBibTeX Formatter and Validator
Format BibTeX entries, detect duplicate keys, and report common field issues
Open toolRIS to BibTeX
Convert RIS records into BibTeX entries with a visible field-mapping report
Open toolBibTeX to RIS
Convert BibTeX bibliography records into RIS with explicit field mapping
Open toolDOI and Citation Identifier Extractor
Extract DOI, PMID, arXiv, and other scholarly identifiers from reference text
Open toolISBN Validator
Validate ISBN-10 and ISBN-13 check digits and convert compatible values
Open toolReference List Deduplicator
Identify likely duplicate references using DOI, title, author, and year signals
Open toolNumber List Statistics
Calculate count, sum, mean, median, mode, range, variance, and standard deviation from pasted numbers
Open toolNumber Sequence Generator
Generate arithmetic sequences from start, end, step, count, or padding rules
Open toolRange Expander and Compressor
Expand expressions such as `1-5,8,10-12` or compress integer lists into ranges
Open toolBitwise Calculator
Calculate AND, OR, XOR, NOT, shifts, and integer representations
Open toolIPv4 Number Converter
Convert IPv4 dotted decimal to integer, hexadecimal, and binary forms and back
Open toolCIDR Calculator
Calculate IPv4 network, broadcast, host range, mask, and address count from CIDR notation
Open toolDate Range Generator
Create a list of dates between two endpoints with configurable intervals and formats
Open toolDate List Generator
Generate recurring dates from a start date, interval, and occurrence count
Open toolDuration Parser and Formatter
Parse human-readable, numeric, and ISO 8601 duration formats and normalize them
Open toolSMS Character Counter
Count characters and estimate GSM-7 or Unicode SMS segments
Open toolEmail Subject Line Tester
Measure email subject and preheader length and preview common truncation ranges
Open toolWhatsApp Link Generator
Generate WhatsApp click-to-chat URLs from a phone number and optional message
Open toolCSV Formula Injection Sanitizer
Neutralize spreadsheet formula-like cells in pasted CSV without uploading the data.
Open toolCSV Column Mapper and Renamer
Rename CSV headers and reorder selected columns locally.
Open toolCSV to Markdown Table
Convert a small CSV or TSV paste into a Markdown table.
Open toolCSV Encoding and BOM Inspector
Inspect BOM markers, line endings, and byte-oriented clues in pasted CSV text.
Open toolCSV Data Quality Report
Profile headers, row widths, empty values, and duplicate rows in a CSV paste.
Open toolTSV and Delimited File Validator
Check whether delimited text has consistent columns and balanced quotes.
Open toolSpreadsheet Date Serial Converter
Convert spreadsheet serial dates to ISO dates using an explicit date system.
Open toolJSON and CSV Batch Previewer
Preview JSON records or CSV rows as a compact local report.
Open toolCSP Header Builder and Validator
Build and inspect a Content-Security-Policy from pasted directives.
Open toolSRI Hash Generator
Generate a browser-local SHA-256 Subresource Integrity token for pasted asset text.
Open toolHTTP Security Headers Analyzer
Analyze pasted HTTP response headers for common security controls.
Open toolX.509 Certificate Decoder
Inspect pasted PEM certificate metadata locally.
Open toolSSH Public Key Fingerprint Inspector
Inspect SSH public key format and calculate a local fingerprint.
Open toolJWT Claims and Expiry Inspector
Decode JWT claims and explain standard time claims without verifying a signature.
Open toolJSON Web Key Set Inspector
Inspect a pasted JWK or JWKS structure without fetching remote keys.
Open toolEnvironment Variable Secret Scanner
Scan pasted .env-style text for likely secrets and risky variable names.
Open toolMarkdown Table of Contents Generator
Generate a nested Markdown table of contents from heading lines.
Open toolMarkdown Linter
Check pasted Markdown for common heading, spacing, and list consistency issues.
Open toolHTML Sanitization Previewer
Preview a conservative sanitized version of pasted HTML.
Open toolHTML Accessibility Checker
Check pasted HTML for common image, link, heading, and form labeling issues.
Open toolMeta Title and Description Previewer
Preview title and description lengths for search and social snippets.
Open toolrobots.txt Generator and Validator
Generate and inspect robots.txt directives from pasted path rules.
Open toolSitemap XML Generator and Validator
Validate pasted URLs and generate a simple local sitemap XML document.
Open toolJSON-LD Formatter and Validator
Format pasted JSON-LD and check basic context and type structure.
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