Directory:
- .env Syntax Validator
- .gitignore Generator
- About
- Acronym Generator & Expander
- Ad Spend Break-Even Calculator — Break-Even ROAS, CPA & Conversion Rate
- Add a Border or Photo Frame to an Image — Free, No Watermark
- Add a Grid to a PDF — Graph, Dot, Ruled & Isometric Overlay
- Add Page Numbers & Headers/Footers to a PDF — Free
- Affiliate Disclosure Snippet Injector
- Affiliate Link Tracker Builder
- AI Prompt Organizer — Save, Tag, and Reuse Your Prompts With Version History
- All Tools
- Amortization Schedule Export — Free Loan Payoff Planner & Exporter
- App Icon Set Generator: iOS, Android, PWA and Desktop Icons in One ZIP
- Aspect Ratio Calculator
- ATS Resume Keyword Scanner
- Audio Merger
- Audio Pitch Shifter — Change Key or Tempo Online, Free & Private
- Audio Recorder — Free Online Mic Recorder with Waveform Trim
- Avatar Generator, No AI — Free Geometric Avatars, PNG & SVG
- Barcode Generator Online Free
- BARE METADATA STRIPPER
- Base32 Encoder / Decoder
- Base64 → File Reconstructor
- Base64 Encode / Decode
- Batch Rename
- Before / After Image Slider — Compare Two Photos Free
- Bill & Tip Splitter
- Black Screen — Fullscreen Black Display for OLED, Dark Rooms & Testing
- Blog
- blue-screen
- Border-Radius Playground
- Box Shadow CSS Generator
- BPM Tap Sync — Free Tap Tempo & Beat Marker Tool
- Break-Even Point Calculator
- Browser Fingerprint Checker: See What Your Browser Reveals, Offline
- Browser History Link Extractor — Export Chrome, Firefox & Safari History as a Link List
- Bulk Email & Link Extractor
- Bulk Slug Generator
- Burn Rate & Runway Calculator — See Your Zero-Cash Date and Cash Chart
- Case converter
- Checklist Creator
- Citation Formatter
- Click Highlight Burner — Add Click Animations to a Screen Recording
- Click Track Generator
- Clip-Path Shape Generator
- Clipboard Auto-Purger — Copy a Password, Then Wipe It Automatically
- CMYK Print Color Simulator & Ink Coverage Checker
- Code Beautifier
- Color Converter: HEX, RGB, HSL, OKLCH, Lab & P3 — Contrast, Palettes & Batch
- Color Picker Online — Sample, Extract Palettes & Check Contrast (Free)
- Color Screen — Fullscreen Color Tester, Lamp & Dead Pixel Check
- Color-Blindness Simulator — See Any Image as Protanopia, Deuteranopia, Tritanopia and More
- COLOUR CONVERT
- Compound Interest Calculator
- Compress
- Compress PDF Online Free — Shrink Scanned & Image-Heavy PDFs
- Contact Sheet & Photo Collage Maker — Free, No Uploads
- Contract Date & Name Auditor
- Contrast Checker & Auto-Fix Tool (WCAG + APCA) — Free, No Signup
- Convert a PDF to Grayscale — Free, in Your Browser
- Cost-of-Living Salary Calculator — How Much to Earn After Relocating
- Countdown Timer / Stopwatch
- Cron Expression Parser
- Crop Any Image Into Circle
- Crop Images
- Cross-Poster Listing Formatter — Fit One Listing to Every Marketplace’s Character Limits
- CRT Monitor Effect — Free Retro Scanline & Glow Filter for Photos
- Crypto & Stock FIFO Capital Gains Calculator — FIFO, LIFO, HIFO, Average Cost
- CSS Custom Property Extractor
- CSS Flexbox Generator
- CSS Gradient Visual Picker
- CSS Grid Generator
- CSS Inliner for HTML Email — Convert Stylesheets to Inline Styles
- CSS Keyframe Animation Builder
- CSS Specificity Calculator — See Exactly Which Selector Wins
- CSS to Tailwind Converter — Turn Existing CSS Into Utility Classes
- CSV & XML to Chart — Free Online Chart Maker (No Upload)
- CSV → INSERT SQL
- CSV Anonymizer
- CSV cleaner
- CSV splitter
- CSV to SQL INSERT
- cURL ↔ fetch() converter
- Data Format Converter (JSON / CSV / YAML)
- Date Difference / Age Calculator
- Device Testers
- Dice & Coin Roller
- DICOM De-identifier: Remove Patient Data from DICOM Files in Your Browser
- Digital Envelope Budgeter
- Dither — Free Online Image Dithering Tool (Retro & Halftone)
- Docker Compose Visualizer — Validate & Diagram Your Stack, Free & Local
- Document → Markdown Converter
- Document → Markdown Converter
- Document Metadata Stripper
- docx-pdf
- Domain Extractor — Pull Domains From Any Text, Free & Local
- Dummy Data Generator — Realistic Fake Test Data, Free & Local
- Duplicate Image Finder
- Duplicate Word Finder
- Email Header Analyzer: Trace, Verify & Spot Spoofing (Free, Runs in Your Browser)
- Email Signature HTML Generator
- Email Spam-Trigger Keyword Checker
- Embed Our Tools
- EML File Viewer
- Encrypt / Decrypt Text
- Encrypt Files Online: Free AES-256 File Encryptor, No Upload
- Encrypted Notes Vault: Free Passphrase-Locked Notes, Secrets and Files in Your Browser
- Enterprise & Self-Hosted
- Event / Wedding Budget Planner
- Excel to PDF Converter — Free, Private, No Uploads
- Explain JSON — Plain-English JSON Structure Breakdown (Free)
- Extract an Audio Track From a Video — Pick Any Language, Free & Private
- Extractors
- Fake Chat Screenshot Generator: Free, Private, No Signup
- Fake Test Data Generator: CSV, JSON, SQL, XML and Excel, Free and Offline
- Fancy / Bold Text Generator
- Favicon Generator
- Feedback, Bug Reports & Tool Requests
- File Sorter — Separate a Mixed File Dump by Type, Free
- Find and Replace
- Find and Replace Text Online — Regex, Case-Preserving, Batch Rules (Free)
- FIRE calculator
- Flashcards
- Fluid Typography Clamp() Calculator
- Focus Session-logger
- Format converter
- Free Expense Tracker — Private Local Budget & Spending Tracker
- Free Habit Tracker with Streaks, Calendar and Insights (No Account, Works Offline)
- Free Mermaid Diagram Editor — Live Preview, Export & Save Locally
- Free Online HTML Editor with Live Preview and Versions
- Free Online Tally Counter — Multiple Counters, Targets & History
- Free Receipt Generator — A4, Thermal 80mm & 58mm, Batch PDFs
- Free SVG Minifier & Optimizer — Shrink SVG Files Online
- Freelance Hourly Rate Calculator
- Fuzzy Duplicate Row Matcher
- GIF Maker — Turn Images Into an Animated GIF (Free, No Upload)
- GIF to MP4 Converter — Free, Local, No Upload
- Google Drive Direct Download Link Generator (Free, No Signup)
- Green Screen — Fullscreen Chroma Green & Dead Pixel Test
- Green Screen Live Previewer
- Grey Screen — Fullscreen Neutral Grey for Uniformity & Banding Tests
- Group Expense Splitter
- HAR File Viewer — Waterfall, Request Inspector & Analyzer (Runs Locally)
- HAR Sanitizer — Remove Cookies, Tokens and Personal Data From HAR Files
- Hash Generator
- Hidden Subscription Finder — Find Recurring Charges in Your Bank Statement
- Home
- How Our Tools Work | Architecture & Security Overview
- HTML / CSS minifier
- HTML / Rich Text to Markdown Converter — Free & Accurate
- HTML Boilerplate Stripper — Extract Clean Article Text from Any Page
- ICS Calendar Editor & Fixer — Change Time Zones, Edit Repeats, Repair .ics Files
- Image → HTML Link Generator — Free Online Tool
- Image → SVG Converter
- Image Annotator — Draw, Label & Mark Up Screenshots Free
- IMAGE CONVERTER
- Image to ASCII Art Converter — Free Online Tool
- Image Watermark
- img-text-overlay
- Incident Timeline Builder
- Invoice Generator
- IP Subnet / CIDR Calculator
- JSON → TypeScript Interface Generator
- JSON Diff
- JSON Formatter & Validator
- JSON Schema Validator: Check JSON or YAML Against a Schema Online
- JSON to Table Converter — View, Sort & Export JSON as CSV, Excel or Markdown
- JSON to XML Converter (Free, Runs in Your Browser)
- JSON-LD Schema Generator — Free Structured Data Builder, Validator & Repair Tool
- JWT Builder & Signer — Create, Sign and Verify JWTs Online
- JWT Decoder
- Line Tools
- Loan / Mortgage Calculator
- Log Analyzer — Find Errors and Patterns in Raw Logs (Free)
- Log Anonymizer & Noise Filter — Redact Logs Online Without Uploading Them
- Lorem ipsum generator
- MAC Address Generator
- Make a PDF Look Scanned Online
- Make Any Image Into A 1:1 Square
- Manufacturing Cost Calculator — Bill of Materials, Labor and Batch Costing
- Markdown Editor & Viewer
- Markdown Table → JSON Converter
- Markdown Table Generator
- Markdown to HTML Converter
- Markdown to Slides — Free Slide Deck Generator
- Markup vs Margin Calculator — Convert, Price and Check Margins Free
- Meeting Cost Calculator
- Merge CSVs
- Merge Images Online — Combine Photos Side by Side, Stacked or in a Grid
- Morse Code
- MP3 ID3 Tag Editor — Edit Title, Artist, Cover Art & Podcast Tags
- MP4 to GIF Converter — Free, Private, No Watermark
- Multi-Currency Invoice Reconciler
- Multi-Timezone Meeting Finder
- Net Worth Tracker
- Novelty Generator Bundle
- NUMBER BASE CONVERTER
- Number to Roman Numerals
- Numbers to Words Converter
- OKLCH Color Picker & Converter
- One-Day Planner
- Open & Convert HEIC Files to JPG or PNG (Free, Runs in Your Browser)
- OpenAPI & Swagger Viewer: Browse, Lint, Compare and Export Specs Offline
- OpenGraph URL & Social Preview Checker
- Orange Screen — Fullscreen Warm Orange Light & Mood Glow
- Organize PDF Pages — Reorder, Delete, Rotate & Merge Free
- Page Image Link Extractor
- Palette Extractor
- Passport & ID Photo Cropper — Free Aspect Ratio Tool
- Password Generator & Strength Checker — Free & Local
- Password Protect or Unlock a PDF — Free, in Your Browser
- Paste Image to Download — Save a Clipboard Image Instantly
- PDF ↔ Image Online Free
- PDF Booklet Maker — Print & Fold Booklet Imposition, Free
- PDF Merge / Split
- PDF Metadata Editor & Remover — Edit or Clear Title, Author & More Free
- PDF TO TEXT
- PDF Watermark Tool — Add Text or Logo Watermarks Free, No Upload
- Percentage / Tip Calculator
- Perspective Fix — Free Online Perspective Corrector & Document Enhancer | Run Local Tools
- Phone Number Parser & Formatter (Free, Bulk Supported)
- Photo Decorator
- PII Finder – Scan Documents for Personal Data in Your Browser
- Pink Screen — Fullscreen Pink Light, Backdrop & Mood Color
- Pixel Art Converter — Turn Any Photo into Retro Pixel Art
- Placeholder Image Generator — PNG, SVG & Data-URI, Free
- PowerPoint to PDF Converter — Free, Private, No Uploads
- PRIVACY POLICY
- Purple Screen — Fullscreen Purple Ambient Light & Backdrop
- QR Code Generator Online Free
- QR Code Scanner
- Random Color Generator
- Random Name / Raffle Picker
- README Badge Generator — Free Shields.io Badge Maker
- Receipt Photo Cleaner — Auto-Crop, Grayscale & Compress for Tax Records
- Red Screen — Fullscreen Red Light for Night Use & Pixel Testing
- Redact a PDF Online — Permanently Remove Text & Images (Free)
- Redact Image
- Regex → Plain English Translator
- Regex Tester
- Remove Duplicate CSS — Merge Repeated Selectors & Declarations
- RESIZE IMAGES
- Review Text Analyzer — Find Common Complaints & Praise in Bulk Reviews
- Roadmap
- Rotate / Flip Images
- ROUND IMAGE CORNERS
- Saved Data
- Screenshot Beautifier — Add Backgrounds, Shadows & Browser Frames Free
- Secret & API Key Scanner — Find Leaked Keys, Tokens and Passwords Offline
- Sensitive Text / Data Masker
- Sentence Rewriter — Free Offline Synonym Tool
- Share Link Generator
- Share-Safe File Check
- Shift / schedule planner
- Shipping Margin Calculator — True Profit After Fees, Tax and Postage
- Simple Text Editor / Notes
- Sitemap
- Slug Generator
- Snowball vs Avalanche Debt Planner
- Social Banner Safe-Zone Previewer
- Social Media Caption Formatter: Character Counter, Line Breaks and Thread Splitter
- SONPath Tester: Run and Debug JSONPath Queries Online
- SPF, DKIM & DMARC Generator — Free, Runs in Your Browser
- Spin the Wheel — Free Random Picker with Weighted Odds
- Split Images: Grid, Poster, Social & Custom Image Splitter
- Spreadsheet Viewer
- Sprite Sheet Cutter
- Sprite Sheet Generator — Pack Images into One Sheet, Free
- SQL Formatter & Beautifier Locally In Seconds
- SQL INSERT → CSV Generator
- SQL Schema Diff Checker — Compare CREATE TABLE Dumps Free
- SQL to ER Diagram — Free Entity-Relationship Diagram Generator
- SQL to Markdown Table Generator — Free, No Upload
- SSH Key Generator Online — Ed25519, RSA & ECDSA, Free and Local
- Stay Awake
- Storage & Cookie Inspector — View, Decode, and Compare localStorage, sessionStorage, and Cookies
- Story Countdown Sticker Maker: Transparent PNG, Daily ZIP and Animated GIF
- Subtitle Sync Fixer — Shift or Correct Drifting .SRT / .VTT Timing
- Subtitle to Script Converter — SRT, VTT, ASS to Clean Transcript
- Subtitle Translation Helper
- SVG Extract — Pull Images, Fonts, Colors & Layers Out of an SVG
- SVG to CSS Converter — Background, Mask & Inline SVG Generator
- Tailwind Button Generator — Free Online Tool
- Tailwind Card Generator — Design Card Components Visually
- Tailwind Colors Reference
- Tailwind Flexbox Generator — Build Responsive Flex Layouts Visually
- Tailwind Gradient Generator
- Tailwind Grid Generator — CSS Grid Builder with Named Areas
- Tailwind Shadow Generator — Box Shadow & Text Shadow Builder
- Tailwind to CSS Converter — See the Real CSS Behind Any Class String
- Take-Home Pay Calculator — Free, No Sign-Up, Any Country
- TERMS OF SERVICE
- Text Cleanup Tool — Remove Extra Spaces, Emojis, HTML & More (Free, Online)
- Text Diff Checker
- Text Encoder / Decoder
- Text Pixel Width Calculator
- TikTok & Shorts Safe-Zone Overlay — Free UI Safe Area Checker
- Time Zone Converter
- Timestamp Converter
- Token Generator
- TOTP Authenticator & 2FA Code Generator — Free, Runs Locally
- Trim Transparent Pixels — Auto-Crop PNG/WebP Borders Free
- Tweet & Quote Card Maker — Free, No Watermark, Runs in Your Browser
- Type Scale Generator — Build a Modular Font Size Scale
- Unit converter
- Upscale — Free Online Image Upscaler (Photo & Pixel Art)
- URL Encoder / Decoder
- URL Parser & Builder — Split, Decode, Edit and Compare URLs Online
- User-agent Parser
- UUID Generator
- VAT / GST calculator
- vCard (.vcf) ⇆ CSV Converter
- Video Compressor
- Video Cropper: Crop Videos Online, Free and Private
- Video Frame Extractor — Pull Stills From Any Video, Free
- Video Merger — Join Videos Online for Free
- Voice Recording Normalizer — Even Out Quiet and Loud Parts
- Webcam Mirror — Free Online Camera Mirror with Filters & Photo Booth
- Webhook Payload Sandbox — Test, Verify & Explore Webhooks Free
- What’s New
- White Screen — Fullscreen White Light & Clean White Display
- Wi-Fi QR Code Generator — Free, Private, Printable
- Word & Character Counter
- Work Hours Calculator
- World Clock — Live Time in Multiple Cities, With Meeting Overlap Finder
- X.509 Certificate Decoder: Read SSL/TLS Certificates, CSRs and CRLs Online
- XML Formatter & Validator: Pretty-Print, Minify and Repair XML Online
- YAML Validator, Formatter & Converter — Private, Keeps Your Comments
- Yellow Screen — Fullscreen Yellow Display & Tint Check
- YouTube Thumbnail Safe Zone Tester — Check Before You Upload