Local-first · no account
90 free tools that run in your browser.
No account, no uploads, no server copy of your files. Every tool states exactly what stays on your device.
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All three run in this tab. No account, no upload.
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Image & Privacy
Inspect and clean photo metadata, redact sensitive areas, resize images, and sanitize SVG files locally in your browser.
PDF & Document
Merge, split, compress, redact, convert, and inspect PDF files locally in your browser; no upload endpoint exists.
Calculators
Everyday percentage, discount, profit, interest, date, and Indonesian tax calculators with transparent formulas.
Converters
Convert units, time zones, byte sizes, date formats, and number bases instantly in your browser.
Text & Developer Tools
Count words, format JSON and code, encode data, test regex, and generate secure tokens.
Random Picker
Run fair browser-based draws with a spinning wheel, name shuffle, random list, tickets, balls, or cards.
All tools
90 tools · 6 categories
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.
PDF Metadata Checker
Inspect PDF document information and XMP metadata for author, producer, dates, and other identifying fields.
Percentage Calculator
Calculate a percentage of a value, what percent one value is of another, percentage change, and original values.
Discount Calculator
Calculate sale prices, savings, stacked discounts, optional tax, fees, and effective savings.
Profit Margin & Markup Calculator
Calculate profit, margin, markup, target selling price, and total profit by quantity with clear formulas.
Loan Installment Calculator
Estimate simple interest, compound growth, loan installments, total interest, and an amortization schedule.
Indonesia Tax Calculator
Estimate progressive personal income tax from taxable income and simulate VAT with explicit DPP handling.
Unit Converter
Convert length, mass, temperature, and volume units with centralized conversion factors.
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.
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.
Date Math & Workdays Calculator
Add or subtract dates, measure a duration, and count working days with optional holidays.
Date Difference Calculator
Compare two date-times and see the difference in seconds, minutes, hours, days, weeks, months, and years.
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.
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.
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.
Age Calculator
Calculate precise age, next birthday countdown, and totals in days or months.
BMI Calculator
Calculate BMI in metric or imperial units with the WHO category and healthy weight range.
Stopwatch & Timer
Precise stopwatch with laps plus a countdown timer with visual alarm.
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.
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.
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.
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.
Grade & GPA Converter
Convert letter grades to grade points and calculate a credit-weighted GPA on a standard 4.0 scale.
Aspect Ratio Calculator
Find a simplified aspect ratio and the missing width or height so images scale without distortion.
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.
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.
JSON to TypeScript
Generate TypeScript interfaces and type aliases from JSON, including nested objects and arrays.
CSV & Excel Viewer
Open CSV, XLS, and XLSX files in a searchable table with automatic delimiter detection.
PDF Page Numbers
Add page numbers to a PDF with a chosen format, position, start number, and margin.
Team Generator
Split a list of names into balanced random teams by team count or players per team.
Zakat Calculator
Estimate zakat fitrah, mal, income, and gold with visible nisab assumptions.
Split Bill Calculator
Split a bill with tax, service, tip, and rounding across any number of people.
Simulasi KPR
Bandingkan cicilan KPR beberapa bank dengan bunga per tahun dan jadwal bulanan.
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.
Timestamp Converter
Convert Unix timestamps to ISO, UTC, and local time, and convert dates back to timestamps.
PDF to Text
Extract text from PDF pages, preview it per page, copy it, or download a TXT file.
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.
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.
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.
Employment Benefits Calculator
Estimate THR and severance with transparent formulas.
Net Salary Calculator
Estimate monthly take-home pay after BPJS employee contributions and PPh 21.
Image Lab
Compare two images, convert a photo to ASCII, and convert color values in one local workspace.
Subnet Calculator
Calculate IPv4 network, broadcast, host range, and split CIDR blocks locally.
Random Lab
Run a single-elimination tournament bracket or roll crypto-random dice without an account.
OCR Scanner
Extract text from images or the first 15 pages of a PDF with a local OCR engine.
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.
Fuel Cost Calculator
Estimate fuel use, trip cost, and cost per passenger with a round-trip option.