STUDIO
Categories (112 Tools)
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PDF Merge Studio Popular
Combine multiple PDF documents into a single organized file with drag-and-drop page order.
PDF Splitter & Extractor Popular
Extract individual pages, custom page ranges (e.g. 1-3, 5), or split every N pages into separate files.
PDF Compressor Essential
Shrink PDF file size, strip duplicate font dictionaries, and downsample embedded images.
PDF Page Rotate & Reorder
Interactive visual thumbnail grid to rotate pages (90°, 180°, 270°) and reorder sheets effortlessly.
PDF Watermark & Stamp
Overlay custom text or transparent PNG logo watermarks with angle, opacity, and position controls.
PDF Encrypt & Password Protect Security
Secure confidential PDF documents with 128-bit/256-bit AES user and permissions passwords.
PDF Decrypt & Unlock Security
Remove known passwords and print/copy edit restriction locks from PDF documents.
PDF Grayscale Converter
Convert color PDFs to crisp monochrome grayscale to conserve printer toner and reduce file size.
PDF Page Numberer
Stamp customized page numbers (e.g. Page X of Y), dates, or bates numbering onto headers and footers.
PDF Margin & Crop Studio
Trim excess white margins, fix crooked scans, and standardize page dimensions across your documents.
PDF Form Flatten & Lock
Flatten interactive form fields, checkboxes, and signatures into static, non-editable pages.
PDF Metadata Editor Privacy
Inspect, edit, or wipe Title, Author, Subject, Keywords, and Creator software metadata tags.
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Image Format Converter Batch
Universal batch image transformation between JPG, PNG, WebP, AVIF, HEIC, GIF, BMP, and TIFF.
Smart Image Compressor Strict KB
Compress images to strict size thresholds (<50KB for job portals, <100KB for web) with pristine quality.
SVG Vector Studio Vector
Clean, sanitize, and minify SVGs. Real-time stage preview, 1x to 8x raster export, and Data URI generator.
Bulk Image Resizer Batch
Resize multiple images by exact pixel dimensions, percentage scaling, or fixed aspect bounds.
Aspect Ratio & Crop Studio
Visual rule-of-thirds grid cropper with standard social, photo, avatar, and custom dimension ratios.
AI Background Remover AI WASM
Automatically isolate subjects and strip backgrounds from portraits and product shots 100% in browser.
Photo Colorizer & Vintage Filters
Apply instant duotone, warm cinema, cool Nordic, vintage film, sharpen, and clarity adjustments.
Metadata & EXIF Scrubber Privacy
Wipe hidden GPS coordinates, device serials, camera lenses, and software timestamps from photos.
Color Palette & Contrast WCAG
Extract harmonious palettes from photos, verify WCAG AA/AAA scores, and copy Tailwind & CSS gradients.
CSS Sprite Sheet Generator Dev
Merge individual icons into a compact sprite sheet image with copyable CSS classes and coordinates.
Multi-Resolution Favicon Suite Essential
Generate favicon.ico, 16x16, 32x32, 192x192, 512x512, apple-touch-icon, and site.webmanifest in 1 click.
Photo Watermark Stamping
Overlay repetitive or corner copyright text and transparent logo stamps across batches of images.
Social Resizer & Splitter Social
Format graphics for LinkedIn, Instagram, X, and YouTube; split wide images into seamless swipe carousels.
Animated GIF & WebP Studio WASM
Assemble image frames or video clips into smooth, lightweight animated GIFs and WebP loops.
Smart Headshot Enhancer Portrait
Auto-level skin tones, enhance portrait lighting, whiten scanned diplomas, and adjust contrast.
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Audio Studio & Waveform Cutter WebAudio
Interactive visual waveform editor. Trim ringtones, boost audio gain (+20dB), and export lossless WAVs.
Audio Format Converter Batch
Batch convert audio tracks between MP3, WAV, OGG, AAC, and M4A with custom bitrate presets.
Audio Speed & Pitch Shifter
Speed up (0.5x - 3.0x) or transpose pitch without audio distortion or unnatural chipmunk effects.
Voice & Gain Booster
Amplify quiet audio files and phone voice memos up to +30dB with dynamic soft limiting.
Audio Reverser Studio
Flip any audio track backwards for creative sound design, backward messages, and reverse FX.
Stereo to Mono & Panner
Merge stereo audio into mono, extract left or right channels, or adjust spatial audio panning.
Audio Bitrate Reducer
Downsample heavy 320kbps audio files to compact 64kbps or 128kbps for voice notes and email.
Video to MP3 Extractor Popular
Rip audio soundtracks, podcasts, and speeches from MP4, WebM, and MOV video clips instantly.
Silence Detector & Trimmer
Automatically detect and trim dead silence from intro and outro segments of recordings.
Metronome & BPM Tap Tempo
Interactive visual metronome with audio click beats, tap tempo calculator, and rhythmic time signatures.
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Code & Text Card Studio 2x HD
Turn code snippets and terminal outputs into aesthetic cards with macOS dots and Retina 2x PNG export.
Text & Code Diff Studio Word Diff
Compare two pieces of code or text side-by-side with split/unified views, metrics, and .patch export.
RegEx Playground & Explainer Popular
Real-time regular expression tester with capture group breakdown, regex flags, and syntax explanation.
JWT Decoder & Inspector WebCrypto
Decode JSON Web Tokens, inspect header/payload claims, check expiration status, and test HMAC keys.
URL Encoder / Decoder & Query
Encode/decode URL strings and parse complex query parameters into structured JSON key-value tables.
Base64 Universal Studio Essential
Encode and decode text, binary files, and image Data URIs with 1-click clipboard copying.
JSON to TypeScript / Go / PHP Dev
Instantly generate TypeScript interfaces, Go structs, and PHP typed classes from raw JSON payloads.
Cron Expression Parser
Parse 5-field cron syntax into human-readable English schedules with the next 10 calculated trigger dates.
HTML Entity Encoder / Decoder
Escape HTML tags and convert special characters into named, decimal, and hex HTML entities.
3D Clay & Glass Design Studio CSS 3D
Interactive visual builder for modern Claymorphism and Glassmorphism dual shadows and Tailwind classes.
CSS Flexbox & Grid Builder Visual
Interactive visual playground to prototype and generate modern CSS flexbox and grid layouts.
SQL Query Beautifier & Formatter
Format messy SQL queries with clean line indentation, uppercase keywords, and syntax highlighting.
Markdown & README Live Studio Live MD
Split-pane markdown editor with metrics, GitHub styles, and 1-click HTML and PDF export.
cURL to Fetch / Axios / PHP API
Convert terminal cURL commands into JavaScript fetch, Axios, Python requests, or PHP curl_init code.
Universal Color Format Converter OKLCH
Convert colors seamlessly between HEX, RGB, HSL, HSV, CMYK, and modern CSS OKLCH notations.
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JSON, CSV, XML & YAML Studio Data
Bidirectional format transformation between JSON, tabular CSV, YAML, and XML with syntax validation.
Spreadsheet Converter Batch
Convert Microsoft Excel spreadsheets into tabular CSVs, landscape PDFs, or tab-delimited text.
CSV to Markdown Table
Convert CSV spreadsheets into clean GitHub-flavored markdown tables with custom column alignments.
CSV Deduplicator & Column Filter Filter
Remove duplicate rows from CSV files, reorder columns, filter specific column values, and re-export.
Mock Data & Faker Generator Dev
Generate realistic test datasets (names, emails, addresses, dates, phone numbers) in JSON or CSV.
TSV / Delimited File Cleaner
Convert tab-separated values, semicolon delimiters, or custom pipe symbols into standardized CSVs.
JSON Minifier & Tree Inspector Viewer
Minify large JSON payloads or explore nested structures in an interactive, collapsible tree visualizer.
JSON / CSV to SQL INSERT
Generate batch INSERT INTO table (columns) VALUES (...) SQL queries directly from uploaded CSVs or JSON.
Data Storage & Byte Calculator
Convert bits, bytes, KB, MB, GB, TB, PB; compute file download and upload transfer durations over network speeds.
Nested JSON Flattener
Flatten deeply nested JSON objects into dot notation keys (user.profile.name) and reverse seamlessly.
XML & RSS Feed Beautifier
Format, validate, and syntax highlight XML documents, SOAP payloads, sitemaps, and RSS feeds.
Spreadsheet Viewer (No Office) WASM
Open and inspect multi-sheet Excel files directly in your browser without needing Microsoft Office.
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Cryptographic Hasher & Checksum WebCrypto
Compute instant SHA-256, SHA-512, MD5, and SHA-1 checksums for files and text with HMAC signing.
Password Strength & Entropy Analyzer Entropy
Measure password crack time against modern supercomputers with dictionary and pattern detection.
Diceware Passphrase Generator Secure
Generate high-entropy, memorable passphrases using Diceware wordlists and custom separators.
RSA / ECC Keypair Generator WebCrypto
Generate 2048/4096-bit RSA or Ed25519 public and private keypairs in standard PEM format.
UUID, GUID & NanoID Generator Batch
Generate bulk UUID v4s, GUIDs, and collision-resistant NanoIDs with customizable alphabets.
File Integrity & Checksum Verifier Streams
Drag any file to compute SHA-256 and compare against developer release hashes with match badges.
AES-GCM File & Text Encryptor AES-256
Encrypt text or files with a secret passphrase using AES-256-GCM entirely inside your browser.
SSL Certificate & CSR Decoder
Parse X.509 SSL certificates and CSR files; view issuer, expiration dates, SANs, and SHA fingerprints.
Random Hex & API Token Studio
Generate cryptographic API tokens, session cookies, and hex secrets (16, 32, 64 bytes).
TOTP 2FA Authenticator Simulator 2FA
Test and verify time-based one-time password (TOTP) secret keys with a live 30-second countdown.
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OCR Text Scanner PDF.js
Extract text from scanned documents, receipts, screenshots, and multi-page PDFs with live editor.
Universal Case Converter
Toggle text between camelCase, snake_case, PascalCase, kebab-case, UPPERCASE, lowercase, and Title Case.
Word, Character & Reading Metrics Metrics
Real-time character count, word count, reading time (mins), speaking time, and readability score.
Text Sorter & Line Deduplicator
Alphabetize lists, remove empty lines, trim whitespace, and eliminate duplicate lines in 1 click.
SEO Slugify & Clean URL Builder SEO
Convert headlines and titles into SEO-friendly URL slugs with accented character transliteration.
Text Obfuscator & ROT13 Studio
Obfuscate email addresses to prevent scraper spam, encode ROT13 ciphers, and hide text.
Lorem Ipsum & Placeholder Studio
Generate customizable paragraphs, sentences, or bullet points of clean placeholder dummy copy.
Subtitle (.SRT / .VTT) Shifter Subtitles
Shift subtitle timestamps forward or backward by exact milliseconds to synchronize audio drift.
Find & Replace with RegEx Engine RegEx
Perform bulk find and replace operations across text using regular expressions and capture variables.
Number to Words & Currency
Convert numbers into spelled-out English words for checks, contracts, invoices, and receipts.
ASCII Art & Figlet Banner Studio Retro
Render text titles into retro ASCII banners in Slant, Block, Standard, and Doom typography.
Plaintext Table Alignment Studio
Align messy spaced text columns into clean ASCII border boxes or tabular unicode tables.
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Document Converter (Word/PDF/TXT) Batch
Bidirectional document transformations between DOCX, PDF, RTF, and plain text with batch queue.
Presentation Studio (PPTX/PDF) Batch
Transform PowerPoint slide decks into high-resolution PDFs or extract embedded slide media.
Instant Invoice & Receipt Studio Print
Build professional, print-ready PDF invoices and receipts in seconds with auto-tax calculations.
Digital Signature & PDF Stamp Popular
Draw vector signatures, auto-strip paper background into transparent PNGs, or stamp agreements.
QR Code & vCard Studio Vector SVG
Generate instant high-contrast QR codes for websites, Wi-Fi keys, and vCards in SVG and PNG.
Universal Barcode Studio Retail
Generate retail Code128, EAN-13, UPC-A, and Code39 barcodes in high-resolution vector SVG.
Profit Margin & Markup Calculator
Calculate gross profit margins, retail markup percentages, break-even points, and selling prices.
Freelance Hourly Rate & Tax Estimator
Calculate required billable hourly rates based on business expenses, target income, and taxes.
E-Book & Web Formatter Kindle
Convert between EPUB e-books, rich HTML pages, clean Markdown notes, and formatted TXT.
Loan & EMI Amortization Schedule Schedule
Calculate monthly loan payments with complete principal vs interest amortization schedules.
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WCAG 2.1 Contrast Checker A11y
Verify WCAG 2.1 contrast compliance ratings for text against backgrounds for AA, AAA, and Large Text.
CSS Gradient & Mesh Studio CSS3
Interactive visual gradient builder with multi-stop color handles, angle controls, and CSS output.
Color Blindness Simulator A11y
Simulate and preview how graphics appear to users with Protanopia, Deuteranopia, and Tritanopia.
Color Harmony Generator
Generate Triadic, Complementary, Analogous, and Monochromatic palettes from any base hex color.
Tint & Shade 10-Step Generator Tailwind
Generate complete 10-step tint and shade scales (50 to 950) perfectly tailored for Tailwind configs.
CSS Filter Playground
Interactive sliders for CSS filter and backdrop-filter: blur, hue-rotate, invert, saturate, and sepia.
Neumorphic Soft UI Generator Soft UI
Generate extruded and debossed soft neumorphic shadows with customizable light source angles.
Aspect Ratio & Resolution Calculator
Calculate proportional dimensions for 16:9, 4:3, 21:9 ultrawide, and custom screen display resolutions.
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Universal Unit Converter Universal
Convert metric and imperial units across length, weight, area, temperature, speed, and volume.
Percentage & Ratio Calculator
Solve percentage problems: X% of Y, percentage increase/decrease, ratio fractions, and discounts.
Unix Timestamp & Timezone Converter UTC
Convert Unix epoch timestamps (seconds/ms) to human dates, ISO 8601 strings, and worldwide timezones.
Hex, Binary, Decimal & Octal Bases
Simultaneous live conversion between Decimal, Binary (8/16/32-bit), Hexadecimal, and Octal bases.
Roman Numerals Converter
Bidirectional conversion between Arabic numbers (1 to 3,999,999) and classical Roman Numerals.
Random Number & Dice Studio Random
Cryptographically secure random number generator, multiple D6/D20 dice roller, and coin flip simulator.
BMI & Body Metrics Calculator
Calculate Body Mass Index (BMI), healthy weight ranges, and category classifications.
Matrix Algebra & Determinant Studio
Perform 2x2, 3x3, and 4x4 matrix addition, multiplication, transpositions, and determinants.
