All tools

Remove or keep lines that match a substring or regular expression. Case-insensitive option, runs entirely in your browser.

Strip accents and diacritical marks from text — café becomes cafe, naïve becomes naive. Works across scripts using Unicode NFKD normalization.

Remove duplicate lines from text or lists. Case-insensitive and trim options. Browser-based, free, no uploads.

Strip blank and whitespace-only lines from any text. Browser-based, instant.

Strip line breaks from text. Replace with spaces, remove entirely, or keep paragraph breaks. Free, browser-based, no uploads.

Strip punctuation and symbols from text. Optionally keep sentence enders (.!?) for readability.

Remove HTML tags from any markup and return clean plain text. Decodes entities, removes scripts and styles.

Strip leading and trailing whitespace from text. Per-line mode. Optional collapse of repeated spaces.

Convert text between uppercase, lowercase, sentence case, and toggle case. Free, browser-based, instant.

Convert text to AP-style title case. Capitalizes major words, lowercases minor words like 'and', 'or', 'the'. Free and instant.

Prepend or append text to every line — make bullet lists, SQL value lists, quoted strings.

Prefix every line of text with a number. Custom start, separator, zero-padding, and skip-empty.

Randomly reorder the lines of any text. Optional skip-empty. Cryptographic RNG.

Sort lines alphabetically, by length, or numerically. Ascending or descending, case-insensitive, with empty-line removal.

Wrap long text to a fixed line width — soft word-break by default, optional break for long words.

Paste two lists and see which items are common, which are unique to A, which are unique to B, and the combined union — all in your browser.

Count how many times a word, phrase, or regex appears in text. Case-insensitive, overlapping options.

Pull all email addresses out of any text. Deduplicate, lowercase, and copy as a list. Browser-based and private.

Pull integers, decimals, or phone-like sequences out of text. Deduplicate and copy as a clean list.

Pull all URLs out of any text — http, https, and www. Deduplicate and copy as a list. Browser-based.

Find and replace text online — plain or regex, case-sensitive or insensitive. Free, browser-based, real-time.

Free online character counter — counts letters, digits, punctuation, whitespace, and total characters with full unicode support.

Paste a list and get back each unique value with a count of how many times it appeared. Sorted by frequency.

Analyze keyword frequency and density in any text. Filter stop words, set min length, show top N. For SEO and content analysis.

Free online word counter. Instantly count words, characters, sentences, paragraphs, and reading time. No upload — your text stays in your browser.

Strip every vowel from a passage of text. Optional toggles for case and whether to treat the letter Y as a vowel.

Reverse text by characters, words, or lines. Unicode and emoji safe. Free, browser-based, instant.

Add strikethrough, underline, or overline to text using Unicode combining characters. Works in most chats and social apps.

Convert text to Unicode bold, italic, monospace, small caps, or fullwidth. Use anywhere Unicode is supported.

Repeat a string any number of times with optional separator. Useful for filler, test data, formatting tricks.

Flip text upside down using Unicode look-alikes. Paste anywhere — social media, messages, names. Free.

Scramble letters inside each word — optionally keep the first or last letter fixed. Useful for puzzles, typoglycemia demos, and pseudonymized samples.

Convert text to ASCII or Unicode code points in decimal or hex — and decode code-point lists back to text. Browser-based, full Unicode support.

Encode text to Base64 or decode Base64 to text. UTF-8 / unicode safe. Free, browser-based, no upload.

Convert text to 8-bit binary or decode binary back to text. UTF-8 safe, browser-based, instant.

Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text. Runs entirely in your browser via Web Crypto API.

Convert text to hexadecimal bytes or decode hex back to text. UTF-8 safe, ignores formatting and 0x prefixes.

Encode HTML-unsafe characters (<, >, &) to entities, or decode entities back to characters. Named and numeric modes.

Encode text to International Morse Code or decode Morse back to text. Supports letters, digits, punctuation.

Shift letters by a fixed amount — ROT13 (the classic) or any Caesar shift from -25 to 25. Free, browser-based.

Percent-encode or decode URLs and query strings. Component or full-URL mode. Browser-based, instant.

Generate every unordered combination of K items chosen from your list. Capped at 10,000 results to stay responsive.

Build a professional email signature with name, title, contact, social, and optional logo. Outputs Gmail/Outlook-compatible HTML.

Generate Lorem Ipsum placeholder text — by words, sentences, or paragraphs. Browser-based, instant, copy-friendly.

Generate a sequence of numbers from a start to an end value with a configurable step. Decimal, zero-padded, hex, or binary output.

Generate strong random passwords with letters, numbers, symbols. Cryptographically secure, runs entirely in your browser.

Generate every permutation of a list of items, optionally choosing only k items at a time. Output is capped at 10,000 entries to stay responsive.

Generate a privacy policy template for your website. GDPR / CCPA options. Browser-based, instant, downloadable HTML.

Pick one or more random lines from your list. Optional uniqueness and skip-empty modes. Browser-based RNG.

Generate cryptographically secure random numbers — integers or decimals, with optional uniqueness. Browser-based.

Generate random strings of any length using letters, digits, and symbols. Powered by crypto.getRandomValues — produces multiple strings at once.

Build a robots.txt file with allow / disallow rules per user-agent, crawl-delay, and sitemap URL. Browser-based.

Generate a terms-of-service template for your website. Optional sections for payments, refunds, user content, DMCA, arbitration.

Convert titles or sentences into clean URL slugs. Diacritic-safe, custom separator, length limit.

Generate UUIDs — v4 (random) or v7 (time-ordered, sortable). Bulk generation, uppercase, brace-wrapped formats.

Visual builder for CSS box-shadow. Tune offset, blur, spread, color, opacity. Inset support. Live preview.

Convert between HEX, RGB, HSL, and RGBA color formats. Live color picker, all formats stay in sync. Browser-based.

Generate color palettes from a base color — complementary, analogous, triadic, tetradic, monochromatic, shades, tints. Live swatches + CSS variables export.

Build cron expressions with a 5-field editor. See plain-English description and the next 5 fire times in your local timezone.

Visual CSS gradient builder. Linear, radial, conic. Unlimited color stops, live preview, one-click copy of the CSS.

Convert CSV to JSON (array of objects) or JSON to CSV. Custom delimiter, header detection, quoted fields supported.

Browser-based WYSIWYG HTML editor with formatting toolbar and live HTML source view. Paste rich text, edit, copy clean HTML.

Compare two JSON values structurally. Shows added, removed, and changed keys with full paths. Browser-based.

Format, minify, and validate JSON instantly. 2/4-space or tab indent. Shows precise error location. Runs in your browser.

Decode JSON Web Tokens (JWT) in your browser. View header, payload, and expiry. Signature shown but not verified.

Build Markdown tables visually — click cells to edit, set alignment, import from CSV. Live preview and copy.

Convert Markdown to clean HTML with live preview. Supports headings, lists, links, code blocks, blockquotes, emphasis.

Generate SEO meta tags + Open Graph + Twitter Card tags for any page. Live SERP preview. Browser-based.

Convert numbers between decimal, hex, binary, octal, and any base 2-36. All four common bases stay in sync.

Test JavaScript regular expressions live — highlights matches in your text and lists captured groups. All flags supported.

Compare two blocks of text line by line. See added, deleted, and unchanged lines highlighted. Browser-based.

Compress JPG, PNG, or WebP photos. Adjust quality, set max width, see size savings. Browser-based, no upload.

Crop any image by drag-selecting a region. Outputs PNG, JPEG, or WebP. Browser-based, no upload.

Apply Instagram-style filters to any image: grayscale, sepia, blur, brightness, contrast, saturation, hue-rotate, invert.

Flip any image horizontally, vertically, or both. Browser-based, no upload.

Convert images between PNG, JPEG, and WebP formats. Adjust quality for JPEG/WebP. Browser-based, instant.

Resize JPG, PNG, or WebP images to any dimensions. Keep aspect ratio. Choose output format. Runs in your browser.

Rotate any image by 90°, 180°, 270°, or any arbitrary angle. Browser-based, no upload, exports as PNG/JPG/WebP.

Convert images to Base64 data URIs for embedding in CSS, HTML, or JSON. Optional CSS url() wrapper.

One-click grayscale conversion. Includes poster/quantized levels (4, 16, 64) for stylized comic-book or print-style output.

Add a text watermark to any image — choose font, color, opacity, rotation, and position. Browser-based, no upload.

Convert one or more JPG, PNG, or WebP images into a single PDF. A4/Letter/Legal page sizes. Browser-based.

Reduce PDF file size with lossless re-encoding. Shows before/after sizes. Browser-based, no upload.

Pull a subset of pages from a PDF into a new file. Range syntax like 2-5,7. Browser-based, no upload.

Combine multiple PDFs into one. Drag-to-select multiple files. Runs entirely in your browser via pdf-lib.

Add page numbers to any PDF. Choose position, format, start number, font size, and color. Browser-based.

Rotate PDF pages 90°, 180°, or 270°. Apply to all pages or specific page ranges. Browser-based, no upload.

Split a PDF into separate files by page ranges, or extract every N pages. Outputs a zip of multiple PDFs. Browser-based.

Add a text watermark to every page of a PDF. Tune text, opacity, rotation, color, and position. Browser-based.

Pick specific columns from a CSV and output as CSV, TSV, or a plain newline-separated list.

Remove duplicate rows from a CSV by full row or by selected columns. Case-insensitive and trim options.

Filter CSV rows by column value — contains, equals, regex, numeric compare. Browser-based, no upload.

Sort CSV rows by any column — alphabetical, numeric, or natural (a2 before a10). Browser-based.

Per-column statistics for any CSV: count, non-empty, unique, numeric count, min, max, mean, sum.

Paste any CSV and see it as a clean, scrollable table. Auto-detects delimiter. Browser-based, no upload.

Convert CSV files to Excel .xlsx. Pick delimiter, sheet name, and output filename. Browser-based, no upload.

Convert .docx Word documents to clean HTML — preserves headings, bold/italic, lists, links, tables. Browser-based.

Extract plain text from a .docx Word document. Browser-based, no upload — your file never leaves your device.

Extract visible text and speaker notes from a .pptx PowerPoint deck. Slide-by-slide output. Browser-based.

Convert Excel .xlsx (or .xls, .ods) spreadsheets to CSV. Pick any sheet, choose delimiter, download a single sheet or zipped all sheets.

Convert Excel sheets to JSON — array of objects (keyed by header) or array of arrays. Browser-based, no upload.