BlueprintLab Tools
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TOOL TOPIC

Text & list tools

Finish small text-cleanup jobs quickly without opening a spreadsheet or scripting environment.

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Common tasks in this topic

Tools for counting, deduplicating, sorting, comparing, replacing, extracting, and transforming text and line-based lists.

1
Remove duplicates and sort lines
2
Compare two lists for differences or intersections
3
Find, replace, extract, and change text case

Tools in this topic

Choose the tool that most closely matches the task you need to finish.

Japan phone number normalizerNormalize Japanese phone numbers and convert between domestic and +81 forms.Open  →Text / line counterCount characters, spaces, word-like segments, lines, paragraphs, UTF-8 bytes, and Unicode code points in real time, with optional filters and local snapshots.Open  →Duplicate line removerRemove duplicate lines while keeping the first occurrence.Open  →Line sorterSort lines ascending, descending, or by length, with optional natural ordering, locale, sensitivity, trimming, blank-line removal, and deduplication.Open  →Text diffCompare two texts line by line and show additions / removals.Open  →Text case converterConvert text to upper, lower, title, snake, kebab or camel case.Open  →Line shufflerShuffle input lines into a random order.Open  →List intersection toolExtract lines that appear in both lists.Open  →List difference toolExtract lines unique to list A or list B.Open  →Find and replace toolFind and replace text using literal or regular-expression matching, with flags, replace-all or first-only scope, case options, and match-count preview.Open  →Line prefix / suffix toolAdd the same prefix and suffix to every line.Open  →Extract Unique Email Addresses from TextExtract email addresses from long text and remove duplicates.Open  →YouTube Transcript CleanerPaste a YouTube transcript, remove timestamps and adjacent duplicates, and clean it into readable text.Open  →Word / sentence / paragraph / reading-time counterCount words, sentences, paragraphs, characters, and estimated reading time in real time.Open  →Full-width / half-width converterConvert ASCII letters, numbers, symbols, and spaces between full-width and half-width forms.Open  →Unicode normalizerNormalize text as NFC, NFD, NFKC, or NFKD and inspect differences and code points.Open  →Whitespace / newline cleanerClean repeated spaces, trailing whitespace, blank lines, and newlines for common text workflows.Open  →LF / CRLF line-ending converterConvert text line endings among LF, CRLF, and CR and download the result.Open  →URL extractor from textExtract HTTP/HTTPS URLs from text or logs, deduplicate, sort, and export them.Open  →HTML tag stripperStrip HTML tags into plain text and optionally normalize whitespace and line breaks.Open  →PII text maskerMask emails, phone numbers, IP addresses, and card-number-like patterns locally in the browser.Open  →Platform-dependent character checkerDetect enclosed numbers, Roman numerals, unit symbols, emoji, and other characters that may have compatibility concerns.Open  →N-gram frequency counterCount word or character N-gram frequencies in text.Open  →Text frequency counterCount word, character, or line frequencies and shares.Open  →Line number add / removeAdd line numbers to text or remove existing line-number prefixes.Open  →Natural sort linesSort lines naturally so file2 comes before file10.Use  →List chunkerSplit a line-based list into groups of a chosen size.Use  →Fixed-width text wrapperWrap text near a chosen character width for easier copying and reuse.Use  →Delimited text column alignerAlign delimited text into padded columns for monospaced display.Use  →List unionCombine two line-based lists into a deduplicated union.Open  →List symmetric differenceExtract items that appear in exactly one of two line-based lists.Open  →List Cartesian productGenerate every pairwise combination (Cartesian product) from two line-based lists with a configurable separator.Open  →Text indent/dedent toolIndent or dedent multiline text using spaces or tabs.Open  →Line length analyzerAnalyze line lengths and identify lines exceeding a chosen character threshold.Open  →Character set analyzerCount ASCII, Hiragana, Katakana, Han, emoji, whitespace, and other characters.Open  →Delimiter / list converterConvert lists among comma, tab, semicolon, pipe, and newline delimiters.Open  →Email list cleanerExtract, normalize, basically validate, and deduplicate a list of email addresses.Open  →

Related guides

Use these when you need the decision context around the tools.

Why “one character” can have several different countsReview decisions, failure points and workflow context.Read →JSON or regex failing? Split “is it valid?” from “does it do what I meant?”Review decisions, failure points and workflow context.Read →

Browse by use case

Start from the job and follow the tools used in that workflow.

Office & data workChoose related tools from a practical workflow.Open →Marketing & CRM workChoose related tools from a practical workflow.Open →

Related references

Keep the relevant formats and units close while you work.

Encodings & BOMOpen the related reference guideOpen  →Line endingsOpen the related reference guideOpen  →HTML & UnicodeOpen the related reference guideOpen  →