SEO
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Polished search snippets.
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200 tools liveDeveloper
JSON Formatter
A clean workspace for JSON.
Images
Image Compressor
Fast, private image compression.
Images
Image Resizer
Precise image dimensions.
Business
Invoice Maker
Simple invoices, done.
Productivity
Text Cleaner
Clean text instantly.
Productivity
Case Converter
Private text case conversion.
Developer
Base64 Converter
Private Base64 conversion.
Developer
URL Encoder
Private URL encoding.
Productivity
Word Counter
Private writing counts.
Developer
UUID Generator
Generate UUIDs locally.
Calculators
Timestamp Converter
Instant timestamp conversion.
Security
Password Generator
Private password generation.
Productivity
List Cleaner
Private list cleanup.
Security
Hash Generator
Private browser hashing.
SEO
Slug Generator
Private URL-ready slugs.
Productivity
Lorem Ipsum Generator
Local placeholder text.
Calculators
Percentage Calculator
Private percentage calculations.
Calculators
Tip & Split Calculator
Private bill splitting.
Calculators
Date Calculator
Private date calculations.
Calculators
Number Base Converter
Private base conversion.
Developer
Regex Tester
Private regex testing.
Developer
HTML Entity Encoder
Private HTML encoding.
Developer
CSV to JSON Converter
Private CSV and JSON conversion.
Design
Color Converter
Private color conversion.
Productivity
Text Diff
Private text comparison.
Productivity
AI Rewrite Studio
Sharper words, in your chosen tone.
Images
Image Cropper
Crop images locally.
Images
Image Palette Extractor
Extract image colors.
Images
Image Watermarker
Add text watermarks locally.
Images
Image Redactor
Permanent solid-pixel redaction.
Images
Image Collage Maker
Build a local image grid.
Images
Favicon Generator
Generate local PNGs and ICO.
Design
Contrast Checker
Check WCAG contrast.
Design
Box Shadow Builder
Create box-shadow CSS.
Design
Gradient Generator
Create CSS gradients.
Images
Social Card Maker
Make a social image.
Documents
PDF Metadata Editor
Edit PDF metadata.
Documents
PDF Watermarker
Watermark a PDF.
Documents
PDF Merger
Merge PDFs locally.
Documents
PDF Page Organizer
Organize PDF pages.
Documents
Images to PDF
Convert images to PDF.
Business
vCard Builder
Create a contact card.
Productivity
Calendar Event Builder
Create an ICS event.
Productivity
Markdown Editor
Preview safe Markdown.
Productivity
Subtitle Editor
Shift subtitles.
Documents
ZIP Builder
Create a ZIP locally.
Business
CSV Joiner
Join tables on a shared key.
Business
CSV Workbench
Explore and export a CSV table.
Business
CSV Pivot
Create a quick CSV pivot.
Developer
JSON Structure Checker
Validate record fields and types.
Business
CSV Profiler
Assess CSV data quality.
Developer
XML Validator
Check XML syntax and tree counts.
Documents
File Type Inspector
Compare MIME type and magic bytes.
Developer
JSON Pointer Explorer
Explore JSON with pointers.
Developer
YAML ↔ JSON Converter
Convert YAML and JSON locally.
Developer
JSON to TypeScript
Infer a safe TypeScript interface.
Security
JWT Inspector
Inspect JWT claims locally.
Security
CSP Builder
Build strict CSP headers.
Developer
Cron Builder
Preview standard cron schedules.
Developer
SQL Query Builder
Generate safe SELECT statements.
Developer
HTTP Request Builder
Generate HTTP code snippets.
Security
chmod Calculator
Convert Unix file permissions.
Calculators
IP Subnet Calculator
Calculate IPv4 CIDR ranges.
SEO
.htaccess Redirect Builder
Create Apache redirects.
SEO
robots.txt Builder
Create robots.txt files.
SEO
Sitemap Builder
Create XML sitemaps.
Business
Break-even Calculator
Find your break-even point.
Business
Subscription Auditor
Review recurring spending.
Business
Loan Calculator
Estimate a loan payment.
Business
Pricing & Margin Calculator
Price for a target margin.
Business
Compound Interest Calculator
Model savings growth.
Business
Freelance Rate Calculator
Set a sustainable rate.
Business
Decision Matrix
Rank weighted options.
Marketing
UTM Builder
Create campaign links.
Marketing
A/B Test Calculator
Compare experiment rates.
Productivity
Pomodoro Timer
Focus with timed sessions.
Marketing
QR Code Generator
Generate a local QR code.
Marketing
Campaign ROI Calculator
Calculate hypothetical ROI.
Marketing
Funnel Conversion Planner
Plan a conversion funnel.
Marketing
Newsletter Builder
Build simple newsletter HTML.
Marketing
Content Calendar Planner
Plan and export content.
Calculators
Workday Calculator
Count UTC workdays.
Images
Image Color Adjuster
Adjust image color locally.
Images
Image Tiler
Split an image into tiles.
Security
URL Risk Inspector
Inspect URL structure locally.
Security
Webhook Signature Verifier
Verify an HMAC-SHA256 signature.
Calculators
Unit Converter
Convert precise compatible units.
Calculators
Aspect Ratio Calculator
Calculate image aspect ratios.
Calculators
Time Duration Calculator
Add or subtract durations.
SEO
Structured Data Builder
Build safe JSON-LD markup.
Calculators
Weighted Grade Calculator
Calculate weighted grades.
Calculators
Fuel Trip Calculator
Estimate fuel trip cost.
Calculators
Storage Transfer Calculator
Estimate transfer duration.
Images
Image Comparator
Compare two local images.
Images
Image to ASCII
Create local ASCII art.
Design
CSS Grid Builder
Build CSS grid layouts.
Design
Flexbox Playground
Explore Flexbox settings.
Design
Fluid Typography Builder
Build fluid type CSS.
Design
Spacing Scale Builder
Create spacing tokens.
Design
Border Radius Builder
Build border-radius CSS.
Design
Clip Path Builder
Build polygon clip paths.
Documents
PDF Page Numberer
Number PDF pages.
Documents
PDF Booklet Builder
Build a print booklet.
Documents
PDF Page Cropper
Crop PDF page bounds.
Documents
PDF Page Size Converter
Resize PDF pages.
Documents
PDF Signature Stamp
Stamp a visual signature.
Documents
CSV Table to PDF
Convert CSV to a PDF table.
Design
SVG Pattern Generator
Make a safe SVG pattern.
Design
Accessible Palette Builder
Build a readable palette.
Productivity
Meeting Time Planner
Plan across time zones.
Marketing
Email Signature Builder
Create email signature HTML.
Security
Secret Scanner
Scan pasted text for likely secrets.
Security
File Integrity Verifier
Verify a local file hash.
Security
Password Strength Checker
Check password-pattern strength locally.
Security
Security Header Auditor
Audit pasted security headers.
Security
Cookie Inspector
Inspect pasted Set-Cookie attributes.
SEO
Hreflang Builder
Build hreflang tag blocks.
SEO
Robots Rule Tester
Test robots.txt rules.
SEO
Sitemap Auditor
Audit sitemap XML locally.
SEO
Redirect Chain Auditor
Audit redirects offline.
SEO
On-page SEO Auditor
Review page SEO tags.
SEO
Readability Analyzer
Estimate English readability.
Marketing
Open Graph Meta Builder
Build social meta tags.
Marketing
Email Subject Preview
Preview email subject lines.
Marketing
Campaign Brief Builder
Create a campaign brief.
Marketing
Marketing Budget Allocator
Allocate a weighted budget.
Calculators
Shipping Volumetric Weight
Calculate chargeable weight.
Marketing
Email List Hygiene
Screen and deduplicate emails.
Marketing
Campaign Link Auditor
Audit campaign URL tags.
Marketing
Ad Copy QA
Check ad copy variants.
Marketing
Customer Feedback Tagger
Tag feedback by keywords.
Marketing
Cohort Retention Analyzer
Analyze monthly cohorts.
Marketing
Survey Results Analyzer
Summarize survey answers.
Marketing
Brand Glossary Checker
Check approved terminology.
Marketing
Campaign Budget Pacing
Calculate budget pacing.
SEO
Keyword Map Planner
Map keywords to pages.
SEO
Search Console Opportunity Finder
Filter imported GSC metrics.
SEO
Content Refresh Planner
Plan content refreshes.
SEO
Internal Link Opportunity Finder
Find literal link overlaps.
SEO
Canonical Map Validator
Validate canonical mappings.
SEO
Crawl Log Analyzer
Summarize access logs.
SEO
SEO Migration Mapper
Map old URLs to new.
SEO
SERP Overlap Comparator
Compare two SERP lists.
Documents
PDF Form Filler
Complete PDF forms privately.
Documents
Mail Merge Letters
Merge CSV recipients into letters.
Documents
Label Sheet Designer
Design paginated label sheets.
Documents
Meeting Minutes Builder
Build clear meeting notes.
Documents
Markdown Table Builder
Build escaped Markdown tables.
Documents
Reading Focus View
A local distraction-reduced reader.
Documents
Document Outline Checker
Check a Markdown outline.
Productivity
Timesheet Reporter
Calculate project time and billing.
Productivity
Habit Tracker
A private daily habit grid.
Productivity
Focus Sound Generator
Local focus noise controls.
Productivity
Teleprompter
Present from a local script.
Productivity
Personal Kanban
A local personal task board.
Productivity
Bookmark Organizer
Clean up local bookmarks.
Productivity
Checklist Runner
Complete a reusable checklist.
Images
Transparent Image Trimmer
Trim transparent margins.
Developer
JSON Patch Builder
Diff JSON into a patch.
Developer
cURL to fetch Converter
Convert cURL safely.
Images
Image Print Planner
Check print size and DPI.
Developer
Log Timeline Analyzer
Analyze pasted JSONL.
Developer
Dependency Inventory
Inventory lockfile packages.
Images
Screenshot Frame Maker
Frame a screenshot locally.
Images
Photo Metadata Cleaner
Export a metadata-free PNG.
Images
Batch Image Renamer
Safely rename images in a ZIP.
Security
SSH Key Fingerprint
Fingerprint an SSH public key.
Productivity
Timebox Planner
Make a capacity-aware schedule.
Images
Sprite Atlas Builder
Pack a PNG sprite atlas.
Images
Pixel Color Inspector
Inspect exact image pixels.
Design
Design Token Converter
Convert CSS variables and tokens.
Design
CSS Animation Builder
Build safe animation CSS.
Design
Color Vision Simulator
Preview color-vision approximations.
Design
SVG Accessibility Editor
Make pasted SVG accessible.
Design
Print Stylesheet Builder
Generate print CSS.
Design
Font Stack Preview
Compare local font stacks.
Design
Touch Target Auditor
Audit entered touch targets.
Design
Container Query Builder
Build container-query CSS.
Developer
Environment Diff
Diff masked dotenv keys.
Security
PII Redactor
Redact common PII locally.
Security
TOTP Authenticator
Generate local TOTP codes.
Security
File Encryptor
Encrypt files locally.
Security
Certificate Expiry & Fingerprint
Check expiry and fingerprint.
Security
IAM Policy Reviewer
Review IAM policy patterns.
Security
Tracking Link Cleaner
Clean tracking query parameters.
Security
Permissions-Policy Builder
Build Permissions-Policy headers.
Business
Invoice Payment Reconciler
Match invoices to payments.
Business
Expense Report Builder
Build an expense summary.
Business
Cash Flow Forecast
Project monthly cash.
Business
Inventory Reorder Planner
Plan inventory reorders.
Business
Subscription Metrics Analyzer
Analyze MRR movements.
Business
Project Capacity Planner
Plan team capacity.
Business
Sales Pipeline Forecast
Weight a sales pipeline.
Calculators
Salary Hourly Comparator
Compare gross hourly value.
Calculators
Electricity Cost Calculator
Estimate electricity cost.
Calculators
Recipe Scaler
Scale recipe ingredients.
Calculators
Project Materials Estimator
Estimate shopping quantities.
Calculators
Basket Discount Comparator
Compare basket final prices.
Calculators
Running Pace Planner
Plan running splits.