Calculators Tools

EXIF Viewer & Remover

Read camera, date, exposure, and GPS metadata from photos, then remove supported metadata before sharing.

Image Privacy Redactor

Cover sensitive parts of screenshots and photos with solid color or pixelation applied directly to exported pixels.

Image Resizer & Format Converter

Resize images, lock or unlock aspect ratio, and convert between JPEG, PNG, and WebP with real output sizes.

SVG Inspector & Sanitizer

Inspect SVG structure for scripts, event handlers, and external references, then rebuild a sanitized allowlisted file.

QR Scanner

Decode QR codes from images or your camera, fully locally with jsQR.

Color Picker from Image

Pick colors from images with an eyedropper and extract the dominant palette as HEX, RGB, or HSL.

Image Cropper

Crop images with a draggable selection, optional aspect lock, and PNG or JPEG download.

Image Watermark

Add text watermarks with nine positions or tiled mode, adjustable opacity and size.

Aspect Ratio Calculator

Find a simplified aspect ratio and the missing width or height so images scale without distortion.

Favicon Generator

Generate favicon.ico, PNG icons, an Apple touch icon, and a web manifest from one image, packed as a ZIP.

SVG to PNG Converter

Convert SVG markup or files to PNG at a chosen width, with scripts and external references stripped first.

Image Compressor

Compress an image toward a target file size with WebP or JPEG output and an optional maximum width.

Image Lab

Compare two images, convert a photo to ASCII, and convert color values in one local workspace.

OCR Scanner

Extract text from images or the first 15 pages of a PDF with a local OCR engine.

PDF Metadata Checker

Inspect PDF document information and XMP metadata for author, producer, dates, and other identifying fields.

PDF Organizer

Merge PDF files, extract selected pages, and reorder or delete pages right in your browser.

PDF Compressor

Shrink PDF files in your browser with a lossless rewrite or a quality-controlled raster pass.

PDF to Images

Render every PDF page to a PNG or JPG image and download the pages you need.

Image to PDF Converter

Combine JPEG, PNG, and WebP images into a single PDF with page sizing and margin controls.

PDF Watermark

Add a semi-transparent text watermark to every PDF page locally with pdf-lib.

PDF Metadata Remover

Strip PDF author, producer, dates, and straightforward XMP metadata locally, then download a cleaner copy.

Invoice Generator

Create simple invoices with line items, automatic totals, and export to PDF.

PDF Redaction

Black out sensitive areas on PDF pages; redacted pages are flattened so the hidden text is truly removed.

PDF Page Numbers

Add page numbers to a PDF with a chosen format, position, start number, and margin.

PDF to Text

Extract text from PDF pages, preview it per page, copy it, or download a TXT file.

File Toolkit

Check file checksums, build or open ZIP archives, and encode files to Base64 without uploading.

PDF Studio

Rotate and crop PDF pages, then add a drawn signature and flatten the result locally.

Unit Converter

Convert length, mass, temperature, and volume units with centralized conversion factors.

Time & Time Zone Converter

Convert local date and time between IANA time zones with UTC offsets and DST validation.

Byte Size Converter

Convert decimal and binary byte units through a byte base with adjustable display precision.

Date Format Converter

Convert validated Gregorian dates between ISO, Indonesian, US, UK, and common developer formats.

Hijri Date Converter

Convert between Gregorian and Hijri dates with Umm al-Qura calendar support.

Number Base Converter

Convert signed integers between binary, octal, decimal, and hexadecimal without losing precision.

Barcode & QR Code Generator

Generate retail barcodes with verified check digits and static QR codes from links, text, Wi-Fi, contacts, or messages.

CSV & Excel Viewer

Open CSV, XLS, and XLSX files in a searchable table with automatic delimiter detection.

Timestamp Converter

Convert Unix timestamps to ISO, UTC, and local time, and convert dates back to timestamps.

Word & Character Counter

Count words, characters with and without spaces, sentences, paragraphs, and lines, plus reading time.

JSON Formatter & Validator

Validate, pretty-print, and minify JSON with configurable indentation and clear syntax errors.

Code Formatter

Format or minify HTML, XML, CSS, and SQL with predictable indentation.

CSS Effects Generator

Build CSS gradients and box shadows with live previews and copy-ready declarations.

URL Encoder & Decoder

Encode or decode URL components, query parameter values, and full URLs as text with mode-aware rules.

Base64 Encoder & Decoder

Encode UTF-8 text to standard Base64 and decode Base64 back to validated UTF-8 text.

Text Diff Tool

Compare two texts line by line with unified and side-by-side views and optional normalization.

Slug Generator

Turn titles into lowercase, punctuation-free URL slugs with hyphen or underscore separators.

Password Generator

Create strong random passwords with configurable length and character sets, entirely in your browser.

UUID Generator

Generate one or many random UUID v4 identifiers in your browser.

Hash Generator

Compute SHA hashes, HMAC signatures, and CRC32 checksums from text or files with WebCrypto.

Regex Tester

Test regular expressions live with matches, capture groups, and replacement preview.

JSON CSV Converter

Convert between JSON arrays and CSV with selectable delimiters.

Markdown Preview

Write Markdown and preview the rendered HTML live, with raw HTML escaped for safety.

Excel IF Formula Generator

Turn grade bands into a nested IF or IFS formula for Excel and Google Sheets, with a comma or semicolon separator.

Cron Expression Builder

Build a five-field cron expression, validate it, and preview the next runs in your local timezone.

JWT Decoder

Decode a JWT header and payload, inspect registered claims, and check expiry without sending the token anywhere.

JSON to TypeScript

Generate TypeScript interfaces and type aliases from JSON, including nested objects and arrays.

Case Converter

Convert text to nine common cases with optional diacritic and whitespace cleanup.

Color Contrast Checker

Check WCAG contrast, preview text sizes, and suggest an accessible foreground color.

Markdown Table Generator

Build a Markdown table with editable rows, columns, and alignment, then copy the result.

YAML JSON Converter

Convert YAML to JSON and JSON to YAML locally with clear parse errors.

Subnet Calculator

Calculate IPv4 network, broadcast, host range, and split CIDR blocks locally.

TOTP Generator

Generate time-based authenticator codes from a Base32 secret without an account.

Meta Tag Preview

Build canonical, Open Graph, and Twitter Card tags with a live social preview.

SEO Tags & Robots Generator

Build UTM links, JSON-LD schema, and robots.txt directives without leaving the browser.

Text Cleanup

Trim, deduplicate, filter, and sort pasted lines in one local pass.

Spin the Wheel

Pick fair random winners with an animated canvas wheel, multiple winners, and fullscreen mode.

Name Shuffle

Shuffle names with a fast flicker that slows to a fair, pre-selected winner.

Random List Picker

Pick one or more random list items instantly with replacement or unique sampling.

Ticket Draw

Shake a stack of visual tickets and reveal fair door-prize winners.

Ball Draw

Generate a number range or custom labels, then draw animated balls without replacement.

Card Draw

Shuffle face-down cards and flip the pre-selected winners with a light CSS animation.

Team Generator

Split a list of names into balanced random teams by team count or players per team.

Secret Santa Generator

Assign Secret Santa pairs with exclusions and no self matches using crypto randomness.

Bingo Card Generator

Generate printable random bingo cards in 3x3, 4x4, or 5x5 grids.

Random Lab

Run a single-elimination tournament bracket or roll crypto-random dice without an account.