Developer's Toolkit
298+ free developer tools in one place — no ads, no sign-up. Everything runs in your browser.
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- OCR — Image to Text ExtractorExtract text from screenshots, scans and photos with a self-hosted OCR engine — image enhanced automatically, nothing uploaded.Visual Tools
- Video to GIF MakerCut a clip from any video and convert it to a high-quality GIF — palette-optimized colors, size and FPS control, fully local.Media & Audio
- Currency ConverterConvert between 30 currencies using an offline rate snapshot with manual rate override — no API calls, works without a network.Financial Tools
- Text to Speech (TTS)Read any text aloud with your browser's built-in voices — control voice, rate, pitch and volume, all processed on your device.Media & Audio
- Voice DictationDictate with your voice and watch the text appear live — 12 languages, browser speech engine, transcript stays on your device.Media & Audio
- Ambient Noise GeneratorBlend white, pink and brown noise live in your browser — focus masking, tinnitus relief and sleep, with a built-in sleep timer.Productivity Tools
- Audio Trimmer & CutterCut segments from any audio file with a draggable waveform selection — decoded, trimmed and exported to WAV entirely in your browser.Media & Audio
- Screen & WebCam RecorderRecord your screen, webcam or both with a webcam bubble overlay — encoded locally and saved as a file, never uploaded.Media & Audio
- Image to PDF ConverterCombine JPG and PNG images into a single PDF — reorder pages, fit-to-image or A4/Letter with margins, quality preserved.Visual Tools
Most used on DevTools
Data Generators
Generate valid test identities, bank accounts and tax numbers for your development and QA environments — no real data involved.
National Identity Generator
Checksum-valid national IDs — TC Kimlik, SSN, Emirates ID, CPF, NRIC and more.
Tax Number Generator
Format-valid tax IDs — VKN, EIN, TFN, Steuernummer, VAT, UEN and more.
IBAN & SWIFT Generator
Validate, format and generate IBANs plus SWIFT/BIC codes.
Barcode Generator
Generate CODE128, EAN, UPC and more — download as SVG or PNG.
Base64 Toolbox
Encode and decode text, files and images with Base64, Base64URL and Data URI support.
YouTube Thumbnail Downloader
Preview and download every available thumbnail size from a YouTube, Shorts or live link.
Browse by category
Every tool runs in your browser — pick a category to dive in, or press ⌘K to search.
Color Tools
Color utilities and generators
Color Blindness Simulator · Color Contrast Checker · Color Converter
Design Tools
Theme builders and design asset generators
Aspect Ratio Calculator · Border Radius Generator · Box Shadow Generator
Data Processing
Format, convert and process data
Base64 Toolbox · C# to VB.NET Converter · CSV Data Viewer
Text & Analysis
Text processing and analysis tools
Binary Text Translator · Case Converter & Text Formatter · Character Frequency Analyzer
Generators
Generate IDs, references and more
Address Generator · ASCII Text Art Generator · Credit Card Generator
Security Tools
Security analysis and authentication tools
AES Encryption · Basic Auth Generator · Bcrypt Generator & Verifier
Network & API Tools
HTTP clients and network utilities
API Mock Server · Bandwidth Calculator · Broken Link Checker
Development Utilities
Essential utilities for developers
.htaccess Generator · Ansible Playbook Generator · Apache Config Generator
Visual Tools
Preview and convert visual content
Barcode Generator · Base64 Image Encoder · EXIF Viewer & Cleaner
Creator & Business Tools
Privacy-first helpers for creator payouts and business workflows
Code Snippet to Image · Creator Tax Form Guide · Freelance Invoice Generator
Media & Audio
Record, convert and edit audio and video in your browser
Audio Trimmer & Cutter · Screen & WebCam Recorder · Text to Speech (TTS)
Financial Tools
Loan, interest, tax and currency calculators
Compound Interest Calculator · Currency Converter · Discount & VAT Calculator
Productivity Tools
Focus timers, health calculators and speed tests
Ambient Noise Generator · BMI & TDEE Calculator · Pomodoro Focus Timer
AI Tools
Assemble context, manage prompts and prep RAG data for LLM workflows
AI Code Explainer · AI Commit Message Generator · AI Documentation Generator
Frequently asked questions
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