Comprimir PDFs, redimensionar imagens, cortar vídeos, formatar JSON —Direto no seu navegador.
206 ferramentas rápidas, gratuitas e privadas para PDF, imagem, vídeo, texto, código e contas do dia a dia. Seus arquivos nunca saem do seu dispositivo — e você pode comprovar: abra a aba Rede do navegador e veja que nada é enviado.
…ou arraste um arquivo para qualquer lugar e mostramos o que dá para fazer com ele.
Novas e em alta
recém-adicionadaAI Content Detector
Free AI content detector. The quick check runs in your browser; an optional deep analysis sends your text to our server for a more accurate score. No sign-up.
AI Image Detector
Check whether an image was AI-generated by inspecting its metadata and Content Credentials (C2PA) — free, private, in-browser. No upload.
Ver metadados de foto (EXIF)
Veja os metadados EXIF ocultos de uma foto — câmera, data, configurações e localização GPS. Grátis, no navegador, sem upload.
Image Metadata Remover
Remove EXIF and all hidden metadata (including GPS location) from an image for privacy. Free, in-browser, no upload — download a clean copy.
HEIC para JPG
Converta fotos HEIC do iPhone para JPG grátis, direto no navegador. Sem upload, sem programa — decodifique e baixe na hora.
Add Watermark to PDF
Add a text watermark to every page of a PDF for free, in your browser — adjustable opacity, size and angle. No uploads.
SIP Calculator
Calculate the future value of a monthly SIP (Systematic Investment Plan) for free — see invested amount, estimated returns and total value.
cURL Converter
Convert a cURL command to JavaScript fetch and Python requests code for free, in your browser. Paste curl, copy the code — safe for commands with tokens.
MP4 to MP3
Extract the audio from a video and download it as an MP3 — free and in your browser. No upload; runs via ffmpeg.wasm.
Vídeo para GIF
Transforme um trecho de vídeo em GIF animado — grátis, no navegador. Escolha duração, fps e tamanho. Sem upload.
Foto 3x4 e para documentos
Crie foto 3x4, RG, passaporte e visto online grátis: recorte no tamanho oficial e baixe com folha de impressão 10x15. Sem upload.
Compress Video
Compress MP4 and other videos to a smaller file size for free, right in your browser. Quality presets and optional 720p downscale — no upload, no watermark.
Delete PDF Pages
Remove pages from a PDF for free, right in your browser. Tap the pages to delete and download the rest — no upload, no sign-up.
Screen Recorder
Record your screen online for free, right in your browser — with optional microphone narration. Download as WebM. No upload, no watermark, no sign-up.
Preencher e assinar PDF
Preencha e assine um PDF online grátis: digite nos campos, desenhe ou envie sua assinatura, posicione e baixe. Sem upload, sem cadastro.
Screenshot Beautifier
Make screenshots look polished — add padding, a clean background, rounded corners and a soft shadow. Free, in your browser, no watermark, no upload.
Code to Image
Turn a code snippet into a clean, shareable image for free. Themes, backgrounds and a window frame — rendered in your browser, no upload, no sign-up.
Invoice Generator
Create and download a professional invoice PDF for free. Add line items, tax/GST and your currency (incl. ₹) — built in your browser, no upload, no sign-up.
Protect PDF (Add Password)
Password-protect a PDF with strong AES-256 encryption, free and in your browser. Nothing is uploaded — your PDF and password never leave your device.
Unlock PDF (Remove Password)
Remove a known password from a PDF, free and in your browser. Enter the password and download an unlocked copy — nothing is uploaded.
Paraphrasing Tool
Paraphrase any text online for free. Rewrite sentences with synonyms and restructured phrasing — runs in your browser, no upload, no sign-up.
Resumidor de texto
Resuma textos automaticamente destacando as frases mais importantes — grátis, no navegador, sem enviar seu texto.
AI Prompt Generator
Generate structured, effective prompts for ChatGPT, Claude, Gemini and other AI tools. Fill in the blanks — free, in-browser, no upload.
SERP Preview Tool
Preview how your page appears in Google search results. Test title tags, meta descriptions and URLs — see exactly what users see. Free, in-browser.
Crypto Profit Calculator
Calculate your crypto profit, ROI and total value from buy and sell prices. Free, instant crypto investment calculator — runs in your browser, no sign-up.
Satoshi to BTC Converter
Convert between Bitcoin (BTC) and satoshis instantly. Also converts to USD, EUR and other fiat with the current price. Free, in-browser, no sign-up.
QR Code Reader
Read and decode QR codes from any image or screenshot — free, in-browser, private. Upload a QR code image and see the content instantly.
Ethereum Unit Converter (ETH / Gwei / Wei)
Convert between ETH, Gwei and Wei instantly with exact BigInt precision. Essential for Ethereum developers, gas calculations and smart contract work. Free, in-browser.
Mortgage Calculator
Calculate your monthly mortgage payment, total interest and amortisation schedule for any loan amount, rate and term. Free, instant, in-browser.
Password Strength Checker
Check how strong your password is with real-time scoring, entropy estimation and actionable improvement tips. Free, in-browser — your password never leaves your device.
Time Zone Converter
Convert times between time zones instantly. See what time it is in New York, London, Tokyo, Sydney and 30+ cities worldwide. Free, in-browser, no sign-up.
Contador de caracteres
Conte caracteres com e sem espaços em tempo real — para Instagram, X/Twitter, SMS e formulários. Grátis e no navegador.
Sentiment Analyzer
Analyze the emotional tone of any text with scores for positive, negative and neutral sentiment. Free AI text analysis — runs in your browser, nothing is uploaded.
Readability & Reading Level Checker
Check the reading level and readability score of any text — a free Flesch-Kincaid calculator plus Gunning Fog, SMOG and Coleman-Liau. In your browser, no upload.
Keyword Extractor — Find Keywords in Text
Find the most important keywords and key phrases in any text, ranked with frequency and relevance scores. Free keyword finder — runs in your browser, no upload.
Hashtag Generator
Generate relevant hashtags from any text for Instagram, TikTok, Twitter and LinkedIn. Free AI hashtag tool — runs in your browser, no upload, no sign-up.
AI Image Prompt Builder
Build detailed, effective prompts for Midjourney, DALL-E, Stable Diffusion and Leonardo AI. Structured fields for subject, style, lighting and mood — free, in-browser, no sign-up.
Headline Analyzer & SEO Title Checker
Check your SEO title or headline: score its length, word balance, emotional impact and readability. Free title checker — runs in your browser, no upload.
Body Fat Calculator (Navy Method)
Calculate your body fat percentage using the US Navy method from simple measurements. Free, private, in-browser.
Ovulation & Due Date Calculator
Calculate your fertile window, ovulation date and estimated due date. Free, private, in-browser.
Pomodoro Timer (Focus Timer)
A free Pomodoro timer for focused work: 25-minute focus with 5-minute breaks. Customizable durations. Runs in your browser.
Sleep Calculator (Bedtime Optimizer)
Find the best time to go to bed based on when you need to wake. Optimized for 90-minute sleep cycles. Free, private, in-browser.
PDF para Word
Converta PDF em documento Word (.docx) editável, grátis e no navegador — o arquivo não é enviado a servidor algum.
HTML Preview / Sandbox
Write HTML, CSS and JavaScript and see a live preview as you type. Free, instant, in-browser HTML sandbox — no upload, no sign-up.
Dog Age Calculator (Dog Years)
Convert your dog's age to human years using the latest veterinary formula. Free, instant, in-browser — works for all breeds and sizes.
Cat Age Calculator (Cat Years)
Convert your cat's age to human years. Free, instant, in-browser — works for kittens and senior cats.
Bra Size Calculator
Calculate your bra size from underbust and bust measurements. Find band size, cup size and sister sizes. Free, private, in-browser.
PNG to JPG
Convert PNG images to JPG for free, instantly, in your browser. No upload — smaller files that open anywhere.
Pregnancy Due Date Calculator
Calculate your estimated due date from your last period or conception date, plus gestational age and trimester dates. Free, instant, in-browser.
Daily Water Intake Calculator
Calculate how much water you should drink per day from your weight, activity level and climate. Liters, ounces and glasses. Free, instant, in-browser.
PayPal Fee Calculator
Calculate PayPal fees on any payment — see the fee, what you'll receive, or how much to request to net a target amount. Free, instant, in-browser.
Typing Speed Test
Free 60-second typing speed test. Measure your WPM, accuracy and errors with live per-character feedback — instant, in-browser, nothing is uploaded.
Random Name Picker
Pick one or more random winners from a list of names. A fair, crypto-secure name selector for giveaways, raffles and classrooms — free, instant, in-browser.
SQL Formatter
Format and beautify SQL queries with uppercase keywords and clean indentation, or minify to one line. Free, instant, in-browser SQL formatter — no upload.
XML Formatter & Validator
Validate XML and pretty-print it with 2-space indentation, or minify it to one line. Free, instant, in-browser XML formatter — no upload, no sign-up.
Color Contrast Checker
Check WCAG color contrast between text and background — exact ratio plus AA/AAA pass/fail for normal and large text. Free, instant, in-browser checker.
CSV to Excel Converter
Convert CSV files or pasted CSV text to Excel (.xlsx) for free, right in your browser. Handles quoted fields and embedded commas — no upload, no sign-up.
PNG to PDF
Convert PNG images to PDF for free, right in your browser. Combine one or many PNGs into a single PDF — no upload, no watermark.
PDF to JPG
Convert PDF pages to JPG images for free, right in your browser. Pick the quality, render every page and download each JPG — no upload.
HTML to PDF Converter
Convert HTML to a crisp vector PDF in your browser — real selectable text, not a blurry screenshot. Free, private, no upload, no sign-up.
XML to JSON Converter
Convert XML to JSON and JSON back to XML instantly, with attributes, arrays and clear errors. Free, private, in-browser converter.
Color Palette Generator
Generate complementary, analogous, triadic and monochromatic palettes from any base colour. Free, instant, in-browser — click any swatch to copy.
Scientific Calculator
Free scientific calculator online with trig, logarithms, powers, roots, factorials and a DEG/RAD toggle. Instant results, right in your browser.
Fraction Calculator
Add, subtract, multiply and divide fractions and mixed numbers. See the simplified result, mixed number and decimal with worked steps. Free and instant.
IP Subnet Calculator
Free IP subnet calculator: enter an IPv4 address and CIDR prefix to get the network, broadcast, usable host range, masks and IP class. Instant, in-browser.
Countdown Timer
A free online countdown timer with hours, minutes and seconds, quick presets and an alarm at zero. Pause, resume and reset — runs in your browser, no sign-up.
SMS Character Counter & Splitter
Count SMS characters, detect GSM-7 vs UCS-2 encoding and see how many segments your text message uses. Splits long messages into parts — free, in-browser.
PDF Editor — Fill, Annotate & OCR
Edit a PDF online free — add text, whiteout, highlights, pen drawings, checkmarks and images, then run OCR to make scans searchable. 100% private, no upload.
Word to PDF Converter
Convert Word (.docx) documents to crisp vector PDF in your browser — real selectable text, not a screenshot. Free, private, no upload, no sign-up.
Markdown to PDF Converter
Convert Markdown to a clean, print-ready PDF in your browser — tables, code, task lists and images, in GitHub, serif or clean themes. Free, no upload.
Word Editor — Edit DOCX Online
Open, edit and format Word documents right in your browser — headings, lists, tables and links — then export a real .docx or PDF. Free, private, no upload.
ATS Resume Checker
Check your resume against ATS rules free — parse rate, sections, contact info, action verbs and keyword match vs a job description. No upload, fully private.
Text Behind Image
Put text behind the subject of a photo — the viral depth effect — free in your browser. AI cuts out the subject; you style the text. No upload.
AI Token Counter & LLM Cost Calculator
Count tokens in your prompt and estimate API cost across GPT, Claude and Gemini — with editable per-model pricing. Free, runs in your browser.
Speech to Text (Voice Typing)
Dictate and convert speech to text free in your browser — live voice typing with punctuation, in 60+ languages. Copy or download the transcript.
Instagram Fonts Generator
Generate fancy fonts for your Instagram bio, captions and stories — bold, cursive, bubble and 25+ styles. Tap to copy and paste anywhere. Free.
OCR PDF — Scanned PDF to Text
Extract text from scanned PDFs with OCR, free and private — pages are recognized in your browser, never uploaded. Copy or download the text.
Rent Receipt Generator
Generate rent receipts for HRA claims free — fill tenant, landlord and rent details, get print-ready monthly receipts with revenue stamp space.
Photo EXIF Editor — Change Date & GPS
Edit a photo's EXIF metadata — change the date taken, GPS location, camera fields or remove them — free and private in your browser. No upload.
AI Text Cleaner — Invisible Characters & Artifacts
Detect and remove invisible Unicode characters, smart quotes, em dashes and markdown artifacts from AI-generated text. Free, instant, in your browser.
AI Humanizer — Humanize AI Text
Humanize AI text for free: replace robotic AI buzzwords and filler, add contractions and make ChatGPT or Claude writing read naturally. In your browser, no upload.
Wordle Solver & Helper
Solve today's Wordle: enter your green, yellow and gray letters and get every possible answer, best guesses first. Free, instant, in your browser.
Bracket & Sweepstake Generator
Make a random tournament bracket or run a sweepstake draw: enter teams, get fair crypto-secure matchups or team assignments. Free, no sign-up, in your browser.
AI Video Prompt Builder (Sora, Veo)
Build structured JSON prompts for Sora 2, Veo 3.1 and Nano Banana — scene, action, camera movement, lighting, audio and duration. Free, in your browser.
Word Unscrambler & Anagram Solver
Unscramble letters into words: enter your tiles (with ? blanks) and get every valid word with Scrabble points, longest first. Free, instant, in your browser.
Mesh Gradient Generator
Create beautiful mesh gradient wallpapers and backgrounds — pick a palette, shuffle the composition and download up to 4K. Free, no watermark, in your browser.
Ferramentas populares
Ver todas as 206 →Juntar PDF
Junte vários PDFs em um único arquivo, grátis e no seu navegador. Arraste para ordenar e baixe — sem upload, sem marca d'água.
Comprimir PDF
Diminua o tamanho de um PDF grátis, direto no navegador. Reduza para enviar por e-mail ou anexar em formulários — sem upload, sem cadastro.
Remover fundo de imagem
Remova o fundo de fotos grátis com IA que roda no seu navegador — sem upload, sem marca d'água, em resolução total.
Redimensionar imagem
Redimensione fotos para dimensões exatas em pixels — Instagram, YouTube, Full HD e mais — grátis e no navegador, sem upload.
Gerador de QR Code
Crie QR Codes grátis para links, texto, Wi-Fi e PIX-copia-e-cola — com cores e logo. Baixe em PNG ou SVG. Sem cadastro, no navegador.
Contador de palavras
Conte palavras, caracteres, frases e parágrafos em tempo real enquanto digita — grátis, no navegador, nada é enviado.
AI Content Detector
Free AI content detector. The quick check runs in your browser; an optional deep analysis sends your text to our server for a more accurate score. No sign-up.
Gerador de senhas
Gere senhas fortes e aleatórias com o tamanho e os caracteres que você escolher — criptograficamente seguras, geradas no seu navegador.
Paraphrasing Tool
Paraphrase any text online for free. Rewrite sentences with synonyms and restructured phrasing — runs in your browser, no upload, no sign-up.
Resumidor de texto
Resuma textos automaticamente destacando as frases mais importantes — grátis, no navegador, sem enviar seu texto.
Crypto Profit Calculator
Calculate your crypto profit, ROI and total value from buy and sell prices. Free, instant crypto investment calculator — runs in your browser, no sign-up.
QR Code Reader
Read and decode QR codes from any image or screenshot — free, in-browser, private. Upload a QR code image and see the content instantly.
Ethereum Unit Converter (ETH / Gwei / Wei)
Convert between ETH, Gwei and Wei instantly with exact BigInt precision. Essential for Ethereum developers, gas calculations and smart contract work. Free, in-browser.
Mortgage Calculator
Calculate your monthly mortgage payment, total interest and amortisation schedule for any loan amount, rate and term. Free, instant, in-browser.
Password Strength Checker
Check how strong your password is with real-time scoring, entropy estimation and actionable improvement tips. Free, in-browser — your password never leaves your device.
Contador de caracteres
Conte caracteres com e sem espaços em tempo real — para Instagram, X/Twitter, SMS e formulários. Grátis e no navegador.
Não sabe o nome da ferramenta? Só descreva.
Escreva o que você quer fazer — ou arraste um arquivo — e abrimos a ferramenta certa na hora.
Explorar por categoria
Ferramentas PDF
Junte, divida, gire e converta PDFs — no seu navegador, sem enviar arquivos.
Juntar PDF
Junte vários PDFs em um único arquivo, grátis e no seu navegador. Arraste para ordenar e baixe — sem upload, sem marca d'água.
Dividir PDF
Extraia páginas de um PDF ou divida-o em partes, grátis e no navegador. Escolha as páginas e baixe — sem upload.
Rotate PDF
Rotate the pages of a PDF by 90°, 180° or 270° and download the fixed file. Free, private, runs entirely in your browser.
JPG to PDF
Convert JPG, PNG and WebP images into a single PDF document — free and private, with no uploads. Reorder images before converting.
Ferramentas de imagem
Redimensione, recorte, comprima e converta imagens. Nada sai do seu dispositivo.
Redimensionar imagem
Redimensione fotos para dimensões exatas em pixels — Instagram, YouTube, Full HD e mais — grátis e no navegador, sem upload.
Comprimir imagem
Comprima JPG, PNG e WebP grátis no navegador — inclusive para 20 KB, 50 KB, 100 KB ou 200 KB. Sem upload, com visualização do tamanho final.
Recortar imagem
Recorte uma imagem ou foto online grátis: arraste a seleção sobre a área que quer manter e baixe na hora, sem perder qualidade.
Image Converter (JPG / PNG / WebP)
Convert images between JPG, PNG and WebP for free, instantly, in your browser. No uploads — pick a format and download.
Ferramentas de áudio e vídeo
Comprima, converta e corte vídeo e áudio, direto no seu navegador.
MP4 to MP3
Extract the audio from a video and download it as an MP3 — free and in your browser. No upload; runs via ffmpeg.wasm.
Vídeo para GIF
Transforme um trecho de vídeo em GIF animado — grátis, no navegador. Escolha duração, fps e tamanho. Sem upload.
Trim Video
Cut a shorter clip from a video for free, in your browser — pick start and end, no re-encoding, no quality loss. No upload.
Compress Video
Compress MP4 and other videos to a smaller file size for free, right in your browser. Quality presets and optional 720p downscale — no upload, no watermark.
Ferramentas de texto
Conte, converta, limpe e analise texto — instantâneo e privado.
Contador de palavras
Conte palavras, caracteres, frases e parágrafos em tempo real enquanto digita — grátis, no navegador, nada é enviado.
Conversor de maiúsculas e minúsculas
Converta texto para MAIÚSCULAS, minúsculas, Título ou Frase em um clique — grátis, instantâneo e no navegador.
Lorem Ipsum Generator
Generate Lorem Ipsum placeholder text by paragraphs, sentences or words, and copy it instantly. Free dummy text generator.
Text to Speech
Convert text to spoken audio in your browser with selectable voices, speed and pitch. Free text-to-speech, no upload required.
Ferramentas para desenvolvedores
Formate, converta, decodifique e teste — JSON, regex, JWT e mais.
UUID Generator
Generate random v4 UUIDs (GUIDs) in bulk and copy them with one click. Free, instant and fully in-browser using the secure crypto API.
Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text instantly. Free, private, in-browser — supports full Unicode (UTF-8).
JSON Formatter & Validator
Format, beautify, minify and validate JSON instantly. Free, private, in-browser JSON formatter with clear error messages.
Gerador de QR Code
Crie QR Codes grátis para links, texto, Wi-Fi e PIX-copia-e-cola — com cores e logo. Baixe em PNG ou SVG. Sem cadastro, no navegador.
Calculadoras
Porcentagem, juros, datas, saúde e finanças — respostas na hora.
Calculadora de idade
Calcule a idade exata em anos, meses e dias a partir da data de nascimento — e quanto falta para o próximo aniversário. Grátis.
Calculadora de porcentagem
Calcule porcentagens de todas as formas: X% de um valor, variação percentual, proporções e mais. Grátis, instantânea, no navegador.
BMI Calculator
Calculate your Body Mass Index (BMI) in metric or imperial units and see your weight category instantly. Free and private.
Loan / EMI Calculator
Calculate your monthly loan EMI, total interest and total payment from the loan amount, interest rate and tenure. Free and instant.