Bitcoin Wallet for Testnet and Mainnet
Generate wallet, import seed or WIF, read balance and UTXOs, and send BTC on testnet or mainnet with local signing.
Open toolAll tools
A focused catalog with one page per utility. Every tool includes clear context, FAQ, and practical steps for quick use.
74 result(s).
Technical tools
Crypto
Crypto Unit Converter
Convert satoshi, gwei, wei, lamport, sun, lovelace, and other on-chain units for free, with no sign-up and no login.
Open toolBitcoin Fee Calculator with Mempool
Fetch recommended sat/vB fees, estimate cost by vsize, and compare priorities in sats and BTC.
Open toolBitcoin Address and TX Decoder Read-only
Validate Bitcoin addresses and decode raw hex transactions without seed, signing, or broadcast.
Open toolLightning Decoder
Decode Lightning Address, LNURL, BOLT11 and BOLT12 with color-coded fields, export JSON/TXT and generate QR Code in PNG/SVG, all locally in your browser.
Open toolDev
HTML Editor with Preview and Console
Edit HTML, CSS, and JavaScript with CodeMirror, sandbox preview, captured console, templates, file upload, and .html export.
Open toolMarkdown Viewer and Editor
Edit, preview, and export Markdown online with .md upload, fullscreen focus mode, and output to MD, HTML, PNG, or PDF.
Open toolJSON Formatter and Minifier
Format, minify, and validate JSON for free, with no sign-up, no login, readable error feedback, and quick copy actions.
Open toolCSV Viewer and Converter
Paste CSV or upload file to preview table, auto-detect delimiter, switch separators, and export to XLSX for free.
Open toolJSON, SQL, XLSX, CSV, and TSV Converter
Convert tabular data between JSON, SQL INSERT, XLSX, CSV, and TSV with paste, upload, auto-detection, and local processing.
Open toolText Comparator and Online Diff
Compare two text versions with visual diff, change summary, and list mode for quick audits.
Open toolOpen Graph Preview and Meta Tag Generator
Preview shared links, validate Open Graph and Twitter Card fields, and generate HTML/Next.js snippets.
Open toolBase64 Image Viewer
Paste Base64, preview image instantly, and download in multiple formats for free, with no sign-up and no login.
Open toolImage to Base64 Generator
Upload an image and generate Base64 automatically with preview, one-click copy, and output mode selection.
Open toolFile Hash and Checksum
Calculate MD5, SHA-1, SHA-256, SHA-384, SHA-512, and CRC32 for local files with comparison and export.
Open toolFavicon and Manifest Generator
Generate favicon.ico, PNGs, Apple Touch Icon, maskable icons, PWA manifest, and HTML snippet in a ZIP.
Open toolJSON to TypeScript, Zod, and Schema
Paste real JSON and generate TypeScript interfaces, Zod schema, and JSON Schema with ZIP export.
Open toolCron Generator and Explainer
Build cron expressions, read human descriptions, and preview next runs by timezone.
Open toolGzip, Deflate, and Password ZIP
Compress/decompress gzip/deflate, package files or folders into ZIP, and extract ZIP locally.
Open toolDNS Lookup via DoH
Query DNS records A, AAAA, CNAME, MX, TXT, NS, SOA, and CAA using public DNS over HTTPS.
Open toolSQL Formatter and Minifier
Format SQL by dialect, adjust keyword case, minify queries, and export a .sql file.
Open toolJWT Decoder Online
Decode JWT and inspect header, payload, and signature with readable JSON, claim highlights, and timestamp conversion.
Open toolRegex Studio: Tester, Generator & Explainer
Test, generate, explain, validate, extract and replace with regex. Pattern library, visual builder, diagnostics and code snippets in 7 languages.
Open toolUUID, ULID, KSUID, CUID2, and NanoID Generator
Generate UUID v1-v7, NanoID, ULID, KSUID, CUID2, and ObjectId in batches with quick export.
Open toolUnix Timestamp Converter
Convert Unix timestamp to readable date and date to timestamp in seconds and milliseconds with UTC/local output.
Open toolURL Encoder and Decoder
Encode and decode URLs and query params with support for special characters and fast copy actions.
Open toolUniversal Converter for Text, Codes, Hashes, Ciphers, and Bases
Single conversion hub for text, numbers, hashes, ciphers, and technical formats with validation, presets, batch mode, and local processing.
Open toolVisual CSS Generator
Create gradients, shadows, borders, border-radius, glassmorphism, filters and animations with sliders and copy the CSS code.
Open toolHEX, RGB & HSL Color Converter
Convert colors between HEX, RGB, HSL, HSV, CMYK and other formats, see live preview, copy CSS code and compare contrast.
Open toolImage Color Extractor
Extract colors from any image directly in the browser, generate palettes, copy CSS variables and create themes for your projects — all locally.
Open toolEducational Code Converter
Convert code between Pascal, C, Java and Pseudocode with syntax explanations.
Open toolDocuments and Media
Image and PDF Converter
Convert 20+ image formats and PDF directly in your browser with a fast, free, no-sign-up workflow.
Open toolBatch Image Compressor
Compress multiple images online with adjustable compression level, estimated output size, and preview before download.
Open toolChroma Key Image Background Remover
Remove green, magenta, white, or custom-color image backgrounds and download a transparent PNG at original size.
Open toolOnline Video Compressor
Compress multiple videos online with adjustable compression level, estimated output size, and before/after preview.
Open toolAudio Editor and Video Audio Extractor
Extract audio from videos, import audio files or direct media URLs, cut by waveform, rename clips, and download separate MP3, WAV, M4A, OGG, or WEBM files.
Open toolEXIF Reader and Remover
Read EXIF metadata, GPS, camera, and image dates, copy JSON, and download a cleaned image copy.
Open toolResize and Crop Image
Resize images, crop to fixed proportions, create centered squares, and export PNG, JPEG, or WEBP.
Open toolMerge, Split, and Reorder PDF
Combine PDFs, reorder files, remove items, and split pages into an optionally password-protected ZIP.
Open toolGaming tools
Counter-Strike 2
CS2 Practice Commands
Copy CS2 training commands for smokes, bots, round setup, economy, and grenade repetition.
Open toolCS2 Autoexec Generator
Generate separate autoexec.cfg, practice.cfg, and fun.cfg files with radar, HUD, viewmodel, FPS, audio, and simple binds.
Open toolCS2 Competitive Config
Build a safe CS2 competitive config with radar, viewmodel, HUD, FPS, and simple binds without training-only commands.
Open toolCS2 Pro Crosshair Codes
Browse CS2 and CS:GO crosshair codes from pro players, filter by team/country/role, and copy in one click.
Open toolMore CS2 modes available in the hub: View all CS2 modes
GTA
GTA Cheat Codes (San Andreas, V, IV, III, Vice City)
Search and copy GTA cheats by game, category, and platform with multilingual smart matching.
Open toolUtility tools
Valid CPF Generator
Generate valid CPF numbers for tests with punctuation or plain digits, free, no sign-up, no login, and quick copy actions.
Open toolFake Person Generator for Testing
Generate coherent fictional profiles with valid CPF, realistic RG, address, phone, and email for QA, automation, and staging datasets.
Open toolStrong Password Generator
Create strong passwords with custom length and character options, free, with no sign-up and no login.
Open toolQR Code Generator with Logo
Create QR codes for text or URLs for free, with no sign-up, no login, logo branding, and export to multiple formats.
Open toolCNPJ Validator and Generator
Validate Brazilian CNPJ numbers, generate valid test numbers, and export TXT, CSV, or JSON lists.
Open toolBrazilian Boleto and Digitable Line Validator
Validate boleto lines or barcodes, convert formats, and extract due date, amount, and free field.
Open toolQR Code Scanner and Decoder
Read QR Codes from image or camera, copy decoded content, and export TXT or JSON.
Open toolWi-Fi, vCard, and Event QR Generator
Create QR Code payloads for Wi-Fi, vCard contacts, and calendar events with PNG/SVG download.
Open toolTransfer Between Devices
Transfer text, links, Pix payloads, JSON, commands, and files between phone and desktop with QR Code and WebRTC P2P in the browser.
Open toolWhatsApp and Telegram Link Generator with Prefilled Message
Create WhatsApp and Telegram links with prefilled text using phone number or @username, with fast copy actions.
Open toolComplete Random Picker
Draw names and numbers with smart parsing, wheel mode, multiple winners, weighted logic, and shareable links.
Open toolOnline Character and Word Counter
Count characters, words, lines, sentences, paragraphs, emojis, and limits for SEO, social media, writing, and coding.
Open toolURL Slug Generator
Turn titles and phrases into clean URL slugs with separator, length, and suggestion controls.
Open toolRemove Accents from Text
Remove accents and special characters for URLs, filenames, spreadsheets, and normalized identifiers.
Open toolCompound Interest Calculator
Simulate investment growth with monthly deposits, compare simple vs compound, and calculate required contribution or required rate.
Open toolInvisible Character for Fortnite and Games
Copy invisible characters for Fortnite, Free Fire, COD Mobile, Discord, and more with nickname variants, Unicode detection, and remover.
Open toolDiscover Public IP and Device Info
Discover your public IP, estimated ISP, and basic device and location information from your browser.
Open toolTemporary Email
Generate a disposable email to receive messages for up to 1 hour with automatic expiration.
Open toolPix QR Code Decoder & Generator
Generate Pix Copy and Paste payloads, decode EMV fields, validate CRC16, fix errors, view the field tree and download QR Code — all locally in the browser.
Open tool