Base64 to Image
Decode a Base64 string or data URI back into an image in your browser. Paste it, preview, and download. Lossless, no upload — the reverse of image-to-Base64.
NineClip Utilities
A directory of 153 small tools for everyday jobs like editing an image, converting a CSV or formatting code. They used to be on NineClip Tools, which now covers only personal-finance calculators for India.
Each tool runs in your browser. What you paste or open isn't uploaded to a server, and you don't need to sign up.
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Image tools
Rotate, flip, blur, sharpen, watermark and convert images, plus favicons, memes and Base64.
Black and White Converter
Free black and white converter: turn any image into a true two-colour black-and-white image with an adjustable threshold. Lossless PNG, runs in your browser.
Brightness and Contrast Editor
Free brightness and contrast editor: adjust brightness, contrast and saturation with live sliders (100% neutral). Lossless PNG, runs in your browser.
Color Palette Extractor
Free colour palette extractor: pull the 8 most common colours from any image as hex codes. Click to copy or download as text. Runs in your browser.
Favicon Generator
Free favicon generator: turn any image into 16, 32 and 180 pixel favicon PNGs (tab icon plus Apple touch icon). Runs in your browser, nothing uploaded.
Grayscale Converter
Free grayscale converter: turn any image into grayscale using the Rec. 601 luminance formula (0.299R, 0.587G, 0.114B). Lossless PNG, runs in your browser.
Image Blur Tool
Free image blur tool: apply an adjustable Gaussian blur (0–30 px) to any image. Lossless PNG, runs in your browser. Note: blur is not secure redaction.
Image Border Generator
Free image border generator: add a solid colour frame of any width and colour around a photo. PNG output, runs in your browser, nothing uploaded.
Image Color Inverter
Free image colour inverter: flip an image's colours to their opposite (a photographic negative) with the 255-minus-value formula. Lossless PNG, runs in your…
Image Flipper
Free image flipper: mirror any image horizontally, vertically, or both. Lossless PNG output, runs in your browser, nothing uploaded.
Image Metadata Viewer
Free image metadata viewer: see an image's dimensions, file size, type, aspect ratio and megapixels, and download a text report. Reads file properties, not…
Image Rotator
Free image rotator: turn any image 90° left, 90° right, or 180° and download a lossless PNG. Runs in your browser, nothing uploaded.
Image Sharpen Tool
Free image sharpen tool: boost apparent crispness with a contrast-based sharpen slider (100–300%). Lossless PNG, in your browser. Note: not a true unsharp…
Image Splitter
Free image splitter: cut an image into an even grid of tiles (up to 10 by 10) and download them as a ZIP of PNGs. Perfect for an Instagram grid. Runs in your…
Image to Base64
Convert an image to a Base64 data URI in your browser. Lossless (the original file's bytes), about 33% larger, ready to paste into HTML or CSS. No upload.
Image Watermark Tool
Free image watermark tool: add a text watermark to a photo with adjustable size, opacity and position (corners, centre or tiled). PNG output, runs in your…
Meme Generator
Free meme generator: add top and bottom Impact-font captions (white with black outline) to any image. PNG output, runs in your browser, nothing uploaded.
Rounded Corner Image Tool
Free rounded corner image tool: round any image's corners with an adjustable radius. Corners become transparent, saved as PNG. Runs in your browser.
SVG to PNG Converter
Free SVG to PNG converter: rasterise an SVG to a lossless PNG at its natural size, keeping transparency. Runs in your browser, nothing uploaded.
Document and data tools
Convert between CSV, JSON, XML, YAML, Excel and Markdown, turn Word files into HTML, and get plain text from ODT and RTF files.
CSV Column Extractor
Free CSV column extractor: keep only the columns you choose, by header name or number, in your browser. Reorders to your list. No upload.
CSV Merger
Free CSV merger: combine multiple CSVs into one in your browser. Header from the first block, rows stacked beneath. Same columns assumed. No upload.
CSV Splitter
Free CSV splitter: break a CSV into parts of N rows each in your browser. Header repeated per part, shown in one output to copy. No upload.
CSV to Markdown Table
Convert CSV to a GitHub-Flavored Markdown table in your browser — pipe-delimited with a hyphen header row. Parses quoted CSV per RFC 4180. Paste into a…
CSV to XML Converter
Free CSV to XML converter: turn CSV rows into well-formed XML in your browser. Headers become element names, values are escaped. No upload.
CSV Viewer
Free CSV viewer: paste CSV and instantly preview it as a clean table, with the first row as headers. Runs in your browser, nothing uploaded.
Excel to JSON Converter
Free Excel to JSON converter — turn an .xlsx or .xls spreadsheet into a JSON array, each row an object keyed by the header. Runs in your browser; nothing is…
HTML to Markdown
Convert HTML to Markdown in your browser — headings, bold and italic, links and list items become Markdown; other tags are stripped to text. Lossy by design…
JSON Flattener
Free JSON flattener: collapse nested JSON into single-level dot-notation keys (user.address.city, tags.0). Runs in your browser, nothing uploaded.
JSON to Excel Converter
Free JSON to Excel converter — turn a JSON array of objects into a downloadable .xlsx, with keys as columns. Built in your browser; nothing is uploaded.
JSON to XML Converter
Free JSON to XML converter: turn JSON into XML in your browser. Keys become elements, arrays repeat tags. Use a single top-level key for valid XML.
JSON to YAML Converter
Free JSON to YAML converter: reformat JSON into indented YAML in your browser. Valid YAML output; note unquoted values can change type (the Norway problem).
Markdown Table Generator
Free Markdown table generator: fill a grid and get GitHub-flavoured Markdown pipe-table syntax, ready to paste into a README. Runs in your browser.
ODT to TXT Converter
Free ODT to text converter: extract plain text from an OpenDocument .odt file. Unzipped and read in your browser, nothing uploaded.
RTF to TXT Converter
Free RTF to text converter: strip RTF control words and groups to get clean plain text. A quick regex stripper for simple RTF. Runs in your browser.
Spreadsheet to HTML Table
Free spreadsheet to HTML table converter: turn the first sheet of an Excel or CSV file into a clean HTML table. SheetJS in your browser, nothing uploaded.
Text to CSV Converter
Free text to CSV converter: turn tab- or space-aligned text into CSV in your browser. Splits on tabs or 2+ spaces. No upload.
TSV to CSV Converter
Free TSV to CSV converter: turn tab-separated values into RFC 4180 CSV in your browser. Commas quoted, internal quotes doubled. No upload.
vCard Generator
Free vCard generator: enter a name, phone and email and get a ready-to-import vCard 3.0 (.vcf) contact file. Built in your browser, nothing uploaded.
Word to HTML Converter
Free Word to HTML converter — turn a .docx into clean, semantic HTML in your browser. Maps styles to simple markup, not a pixel-perfect copy. Nothing is…
XML to JSON Converter
Free XML to JSON converter: parse XML to indented JSON in your browser. Repeated tags become arrays; attributes are dropped. No upload.
YAML to JSON Converter
Free YAML to JSON converter: extract flat top-level key-value pairs from YAML into JSON in your browser. Note: lists and nested blocks are not parsed.
Developer tools
Format and minify CSS, HTML, JS, JSON, SQL and XML, decode JWTs, test regex and convert number bases.
Cron Expression Helper
Free cron expression helper — translate a cron schedule into plain English. Reads the five standard fields (minute hour day month weekday). Runs in your…
CSS Formatter
Free CSS formatter — beautify minified or messy CSS into clean, one-declaration-per-line rules. A fast regex-based tidier that runs in your browser.
CSS Minifier
Free CSS minifier — strip comments and whitespace to compress a stylesheet to one line. A fast whitespace minifier that runs entirely in your browser.
HTML Decoder
Free HTML decoder — convert HTML entities (named and numeric) back into plain characters using the browser's parser. Decodes far more than five. In your…
HTML Encoder
Free HTML encoder — escape the five special characters (ampersand, angle brackets, quotes, apostrophe) into entities so text renders safely as text. In your…
HTML Formatter
Free HTML formatter — beautify minified or messy HTML into clean, indented markup. A fast regex-based tidier that runs entirely in your browser.
HTML to JSX Converter
Free HTML to JSX converter — rewrite class to className, for to htmlFor, comments and inline styles for React. A fast regex first pass that runs in your…
JavaScript Minifier
Free JavaScript minifier — strip comments and whitespace to shrink a script. A naive regex minifier that can break real code; use Terser for production. Runs…
JSON Minifier
Free JSON minifier — compress JSON to one line by removing all insignificant whitespace. It parses the JSON, so invalid input is rejected. Runs in your…
JSON to TypeScript
Free JSON to TypeScript converter — generate a TypeScript interface from a JSON sample in your browser. A quick starting type; refine optionals and unions by…
JWT Decoder
Free JWT decoder — read a JSON Web Token's header and payload and its expiry in your browser. It decodes, it does not verify the signature. Nothing is…
Number Base Converter
Free number base converter — convert between binary, octal, decimal and hexadecimal. Enter a value and its base, see all four. Integers only, in your browser.
Regex Tester
Free regex tester — test a regular expression against your text, with live match highlighting and a count. Uses the JavaScript (ECMAScript) engine. Runs in…
SQL Formatter
Free SQL formatter — beautify a one-line query with clauses on separate lines and capitalised keywords. A fast keyword-based tidier that runs in your browser.
String Escaper
Free string escaper — turn raw text into an escaped JSON/JavaScript string literal, with quotes, backslashes and newlines escaped. Runs in your browser.
XML Formatter
Free XML formatter — beautify minified or one-line XML into clean, indented elements. A fast regex-based tidier that runs entirely in your browser.
YAML Validator
Free YAML checker — catch a missing colon in simple key-value YAML. Honest note: a basic line check, not a full YAML parser. It ignores indentation and lists.
Writing helpers
Template-based helpers for headlines, outlines, summaries and rewording. They follow fixed rules and don't call an AI model.
Acronym Generator
Free acronym generator: build an acronym from any phrase by taking the first letter of every word, with a letter-to-word legend. Runs in your browser.
AI Content Detector Helper
An in-browser heuristic that estimates how AI-like text looks from sentence variation and vocabulary diversity. A rough hint only — never proof.
Article Outline Generator
Free article outline generator: a ready-to-fill blog post skeleton built around your topic, in your browser. Fixed template, no AI model, no upload.
Blog Title Generator
Free blog title generator: 8 blog post title ideas from your topic using proven templates, in your browser. Template-based, no AI model, no upload.
Bullet Point Generator
Free bullet point generator: turn any paragraph into a clean bullet list, one bullet per sentence, your words kept exactly. Runs in your browser.
Email Subject Line Generator
Free email subject line generator: 7 subject line ideas from your offer using proven templates, in your browser. Template-based, no AI model, no upload.
FAQ Generator
Free FAQ generator: common FAQ questions for your topic with answer placeholders to fill in, in your browser. Questions only, no AI model, no upload.
Headline Generator
Free headline generator: 8 catchy headline ideas from your keyword using proven templates, in your browser. Template-based, no AI model, no upload.
Keyword Extractor
Free keyword extractor: list the most frequent keywords and repeated phrases from text in your browser. Frequency-based, no AI model, nothing uploaded.
Meta Description Generator
Free meta description generator: trims your opening sentence to a ~155-character meta description, in your browser. Extractive, no AI model, no upload.
Paragraph Rewriter
Free paragraph rewriter: tighten wordy text with fixed plain-English edits (removes 'very', swaps wordy phrases). Rule-based, no AI model, in your browser.
Paraphrasing Helper
Free paraphrasing helper: reword text by swapping common words for preset synonyms. A quick variation pass to edit — not an AI rewriter.
Product Description Helper
Free product description helper: turn a product name and features into a short description, in your browser. Fixed template, no AI model, no upload.
Slogan Generator
Free slogan generator: 7 tagline ideas from your brand or keyword using proven templates, in your browser. Template-based, no AI model, no upload.
Story Idea Generator
Free story idea generator: 5 story prompts from your genre using premise templates, in your browser. Template-based, no AI model, no upload.
Text Expander
Free text expander: turn short bullet notes into full sentences using a fixed template. A quick draft scaffold to edit — not AI writing.
Text Simplifier
Free text simplifier: swap formal words for simpler ones (utilize to use) and split long sentences, in your browser. Fixed dictionary, no AI model.
Text Summarizer
Free text summarizer: extractive summary that picks the most important sentences (1–8) in your browser. Rule-based, no AI model, nothing uploaded.
Text Tone Analyzer
Free text tone analyzer: gauge positive, negative or neutral tone by counting lexicon words, in your browser. Rough indicator, not real AI sentiment.
Text tools
Sort lines, count how often words appear, add line numbers, and convert text to binary or Morse code.
Add Line Numbers
Free add line numbers tool — prefix every line with a sequential, right-aligned number. Instant, in your browser. Nothing uploaded.
Binary to Text
Free binary to text converter — turn space-separated 8-bit binary back into readable text. The inverse of text to binary. Runs in your browser.
Bold Text Generator
Free bold text generator — convert text into bold Unicode characters to paste into social bios and posts. Note: not real bold; harder for screen readers. In…
Morse Code Translator
Free Morse code translator — convert text to Morse and Morse back to text. International Morse, words split by a slash. Runs in your browser.
Random Word Generator
Free random word generator — pick random words from a curated list, as many as you need. Instant, in your browser. Nothing uploaded.
Sort Lines
Free sort lines tool — order a list of lines alphabetically, with ignore-case, reverse and numeric options. Sorts character by character by default. Runs in…
Text Repeater
Free text repeater — repeat text up to 10,000 times, joined by a new line, space, comma or none. Instant, in your browser. Nothing uploaded.
Text to Binary
Free text to binary converter — turn text into 8-bit binary, one byte per character, space-separated. Clean bytes for ASCII text. Runs in your browser.
Word Frequency Counter
Free word frequency counter — see how often each word appears, ranked with a bar, and optionally ignore common words. Counts single words. Runs in your…
Everyday utilities
Odds and ends: a notepad, a world clock, dice and coin flips, barcodes, and temperature and Roman numeral converters.
Barcode Generator
Free Code 39 barcode generator. Type text or a number and download a scalable SVG barcode — digits, uppercase letters and symbols, drawn in your browser. No…
Bionic Reading Converter
Free bionic reading converter — bold the first part of each word in the bionic-reading style. Note: studies find no proven reading-speed benefit. In your…
Coin Flipper
Free coin flipper — flip a virtual coin for a fair 50/50 heads or tails, with a running tally. Random flips in your browser. Not for gambling.
Dice Roller
Free dice roller — roll 1 to 10 dice with 2 to 100 sides each and see every result plus the total. Random rolls in your browser. Not for gambling.
Internet Speed Note
Free internet speed note — see your browser's connection estimate (type, downlink, latency) plus a quick in-page throughput check. Not a real ISP speed test…
Online Notepad
Free online notepad — write and auto-save notes in your browser (saved on this device), download as .txt. Private, no account. Runs in your browser.
Random Name Picker
Free random name picker — paste a list of names and pick a winner at random, with a shuffle animation. Fair and uniform in your browser. No uploads.
Roman Numeral Converter
Free Roman numeral converter — turn numbers (1–3999) into Roman numerals and back using standard subtractive notation (IV, IX, XL, XC, CD, CM). Runs in your…
Screen Resolution Checker
Free screen resolution checker — see your display resolution, browser viewport, device pixel ratio, colour depth and orientation. Reads your device, in your…
Stopwords Remover
Free stop words remover — strip common English filler words (the, is, and, of) from text to leave the meaningful words. Built-in list, in your browser.
Temperature Converter
Free temperature converter for Celsius, Fahrenheit and Kelvin. Edit any field and the other two update live with the exact formulas. Two-decimal results…
Tip Splitter
Free tip splitter — add a tip to a bill and split the total evenly between any number of people, with the per-person amount. Runs in your browser.
World Clock
Free world clock — see the current time in major cities worldwide (24-hour), updating live with daylight saving handled automatically. Runs in your browser.
Calculators
Everyday sums: tips, averages, ratios, fuel cost, running pace and a few body measurements.
Average Calculator
Free average calculator — get the mean, median, sum, minimum, maximum and count of a list of numbers. Paste comma or space separated values. Runs in your…
BMR Calculator
Free BMR calculator — estimate the calories your body burns at rest with the Mifflin–St Jeor equation, plus sedentary and moderate daily needs. Runs in your…
Body Fat Calculator
Free body fat calculator — estimate body fat percentage with the US Navy circumference method from height, neck and waist measurements. Indicative only.
Break Even Calculator
Free break-even calculator: enter fixed costs, selling price and variable cost per unit to find break-even units, break-even revenue and the contribution…
Calorie Calculator
Free calorie calculator — estimate daily calories to maintain, lose or gain weight, from the Mifflin–St Jeor equation and your activity level. Runs in your…
Down Payment Calculator
Free down payment calculator: enter a home price and down-payment percentage to see your upfront amount and the loan balance. The split also sets your…
Fuel Cost Calculator
Free fuel cost calculator — estimate the litres a trip needs and the total cost from distance, efficiency (km/L) and fuel price. Runs in your browser.
Pace Calculator
Free pace calculator — find your running pace (per km) and speed (km/h) from a distance and a time. Runs in your browser.
Ratio Calculator
Free ratio calculator — simplify a ratio to lowest terms, scale it proportionally, and get the decimal. Enter A, B and a value to scale A to. Runs in your…
Salary to Hourly Calculator
Free salary to hourly calculator — turn an annual salary into hourly, monthly and weekly pay. Set your hours per week and weeks per year. Runs in your…
Time Duration Calculator
Free time duration calculator — find the hours and minutes between a start and end time. Handles times crossing midnight. Runs in your browser.
Tip Calculator
Free tip calculator — find the tip, the total and the amount per person on any bill, at any tip percentage. Splits evenly. Runs in your browser.
SEO tools
Build schema, canonical, hreflang and sitemap tags, check headings and keyword density, and tag links with UTM.
Anchor Text Generator
Free anchor text generator — get exact-match, partial, branded and generic anchor variations for a keyword and brand. Build a natural link profile, in your…
Breadcrumb Schema Generator
Free breadcrumb schema generator — turn a Name|URL trail into BreadcrumbList JSON-LD with numbered positions. A rich result Google still supports. In your…
Canonical Tag Generator
Free canonical tag generator — create a rel=canonical link tag from a URL to consolidate duplicate pages onto one master URL. Absolute URLs; runs in your…
FAQ Schema Generator
Free FAQ schema generator — turn Q and A pairs into FAQPage JSON-LD. Note: Google retired FAQ rich results in May 2026; markup stays valid for understanding…
Heading Structure Checker
Free heading structure checker — paste HTML to see the H1-H6 outline and flag a missing H1, multiple H1s or skipped heading levels. Runs in your browser.
Hreflang Tag Generator
Free hreflang tag generator — create rel=alternate hreflang link tags plus x-default for multilingual pages. ISO language codes; edit hrefs to your URLs. In…
Keyword Combiner
Free keyword combiner — cross-multiply up to three lists into every combination for SEO and PPC long-tail keyword lists. Fixed word order, in your browser.
Keyword Density Checker
Free keyword density checker — see the top words in your content and their density percentage. Single-word counts, no stop-word filter. Runs in your browser.
Schema Markup Generator
Free schema markup generator — build schema.org JSON-LD for Article, Organization, Product, LocalBusiness or FAQPage. Core fields, Google's format. In your…
UTM Link Builder
Free UTM link builder — add utm_source, utm_medium and utm_campaign to any URL for Google Analytics campaign tracking. Values URL-encoded, in your browser.
XML Sitemap Generator
Free XML sitemap generator — paste URLs and get a sitemaps.org sitemap.xml with loc, lastmod, changefreq and priority. Edit lastmod to real dates. In your…
Colour tools
Mix colours, build palettes, shades and gradients, and see how a design looks with colour blindness.
Color Blindness Simulator
Free colour blindness simulator — preview an image as protanopia, deuteranopia or tritanopia. Processed entirely in your browser; nothing is uploaded.
Color Mixer
Free colour mixer — blend two colours at any ratio with a slider and get the mixed hex and RGB. A digital RGB blend that runs entirely in your browser.
Color Palette Generator
Free colour palette generator — build analogous, complementary, triadic or monochromatic palettes from a base colour, using colour-wheel theory. Copy the hex…
Color Shades Generator
Free colour shades generator — turn one colour into a 10-step tint-and-shade scale from light to dark, same hue. Click any swatch to copy its hex. Runs in…
Complementary Color Finder
Free complementary colour finder — get the colour opposite any hex on the colour wheel, with a live preview and copyable hex. Runs in your browser, nothing…
Gradient Generator
Free CSS gradient generator — pick two colours and an angle, preview the linear gradient live and copy the CSS. Runs in your browser.
Named Color Finder
Free named colour finder — get the closest common colour name to any hex code, matched by RGB distance. Runs in your browser, nothing uploaded.
Random Color Generator
Free random colour generator — get a random hex and RGB with one click, drawn evenly from all 16.7 million colours. Runs in your browser, nothing uploaded.
Tailwind Color Converter
Free Tailwind colour converter — get the closest Tailwind CSS class (like bg-blue-600) to any hex code, matched by RGB distance. Runs in your browser.
Security tools
Generate passphrases and tokens, check card numbers and IBANs, and play with simple ciphers like ROT13 and Caesar.
Bcrypt-style Hash Helper
Free SHA-512 hash helper — generate a 128-character SHA-512 digest in your browser. Honest note: this is SHA-512, not bcrypt, and not for password storage.
Caesar Cipher Tool
Free Caesar cipher tool — encode or decode text with any shift. The classic letter-shift cipher for puzzles and learning. Not secure. Runs in your browser.
Credit Card Validator (Luhn)
Free credit card validator (Luhn check) — test whether a card number passes the Luhn checksum and see its likely brand. Catches typos, not validity. Runs in…
HTACCESS Password Generator
Free .htpasswd generator — create an Apache HTTP Basic Auth line in your browser. Uses the legacy {SHA} (unsalted SHA-1) scheme. Honest about its limits.
IBAN Validator
Free IBAN validator — check whether an International Bank Account Number passes the mod-97 checksum and see its country. Catches typos, not account validity…
Passphrase Generator
Generate a memorable passphrase from random words using the browser's secure generator. Pick word count and separator. Note: 29-word list, so lower entropy…
Random Token Generator
Free random token generator — create a cryptographically secure token in hex, Base64 or URL-safe Base64. Built on the browser CSPRNG, runs entirely in your…
ROT13 Encoder
Free ROT13 encoder and decoder — rotate letters 13 places to hide or reveal text. Its own inverse, ideal for spoilers. Not encryption. Runs in your browser.
Secure Notes Encoder
Free secure notes encoder — scramble a note with a passphrase using XOR and Base64. Honest note: this is casual obfuscation, not real encryption. Runs in…
PDF tools
Count pages, add page numbers or edit the metadata of a PDF.
PDF Metadata Editor
Free PDF metadata editor — view and change a PDF's Title, Author and Subject. In your browser. Page content untouched. Nothing uploaded.
PDF Page Counter
Free PDF page counter — see the number of pages, the first page's size in points, and the file size. In your browser. Nothing uploaded.
PDF Page Numbers
Free add page numbers to PDF — stamp a current-of-total number at the bottom of every page. In your browser. Nothing uploaded.
Social media tools
Split threads, preview tweets, add line breaks to captions, write bios and work out engagement rate.
Caption Line Break Tool
Free caption line break tool: keep blank lines in Instagram and TikTok captions with an invisible character the apps will not strip. Runs in your browser.
Emoji Picker
Free emoji picker: click any of ~80 common emoji to copy it to your clipboard. Runs in your browser — no sign-up.
Engagement Rate Calculator
Free engagement rate calculator: (likes + comments) ÷ followers × 100, with a benchmark band. Runs in your browser — no sign-up.
Fancy Text Generator
Free fancy text generator: turn text into bold, italic, script, monospace and more Unicode styles to paste into bios. Runs in your browser.
Post Scheduler Planner
Free post scheduler planner: suggested weekly posting times per platform (Instagram, X, LinkedIn, TikTok, YouTube). In your browser.
Social Media Bio Generator
Free social media bio generator: turn your role and interests into ready-to-edit bio options with emoji. Runs in your browser, nothing uploaded.
Tweet Preview
Free tweet preview: see a live mock X/Twitter card from your name, handle and text before you post. In your browser — no sign-up.
Twitter Thread Splitter
Free Twitter thread splitter: paste a long post and split it into numbered tweets that fit X's limit, broken on whole words. Runs in your browser.
Username Generator
Free username generator: turn a base word into username ideas with prefixes, suffixes and numbers. Check availability yourself. Runs in your browser.
YouTube Tag Generator
Free YouTube tag generator: turn a video topic into up to 20 tags. Honest note: tags are a minor ranking factor in 2026. Runs in your browser.