Ferramentas gratuitas online
Ferramentas práticas para o trabalho independente. Sem cadastro. Negócios, Faturas, Vendedores, PDF, Imagens, Texto, Desenvolvimento, E-mail
Orçamento de projetos
Price your time and direct costs.
Lucro de projetos
Measure profit after labor and fees.
Valor por hora freelancer
Plan a rate from annual income and billable time.
Ponto de equilíbrio
Find the sales volume needed to cover fixed costs.
Calculadora de descontos
Calculate sale prices and savings.
Lucro de comércio eletrônico
Include shipping, platform fees, advertising and refunds.
Taxas de plataformas
Estimate fees using your own platform rates.
ROAS de anúncios
Compare attributed revenue with advertising spend.
Rateio de frete
Allocate shipment cost by total item weight.
Data de vencimento
Calculate a due date from invoice terms.
Orçamento em PDF
Create a document and print or save it as PDF.
Gerador de faturas
Create a document and print or save it as PDF.
Gerador de recibos
Create a document and print or save it as PDF.
Contador de palavras e caracteres
Count text length and reading time.
Converter maiúsculas e minúsculas
Convert text to upper, lower, title or sentence case.
Remover linhas duplicadas
Keep the first occurrence of each exact line.
Comparar linhas de texto
Compare exact lines in two texts; order changes appear as differences.
Formatador JSON
Validate and pretty-print JSON.
Conversor de timestamp
Convert Unix seconds or milliseconds to UTC and local time.
Codificar e decodificar URL
Encode or decode a URL component.
Testador de expressões regulares
Test JavaScript patterns in an isolated worker.
Verificar assunto de e-mail
Check subject length without claiming deliverability.
Gerador de links de e-mail
Build and preview a mailto link with recipients, subject and body.
Gerador de assinaturas de e-mail
Preview a signature and copy it into your mail settings.
Gerador de e-mails de exemplo
Generate sample email addresses from random names or a TXT username list.
Extrair e agrupar e-mails
Extract email addresses from text or HTML and group by size or domain.
Formatador de código
Format JavaScript, CSS, HTML, XML and SQL in your browser.
Imagem e Base64
Convert image files to Base64 and decode Base64 image data.
SVG para imagem
Convert SVG files or source to PNG, JPG and WebP.
Conversor Markdown
Edit and preview Markdown, or convert HTML to Markdown.
Comprimir imagens
Process JPEG, PNG and WebP images locally, including batches.
Redimensionar imagens
Process JPEG, PNG and WebP images locally, including batches.
Converter imagens
Process JPEG, PNG and WebP images locally, including batches.
Marca d’água em imagens
Process JPEG, PNG and WebP images locally, including batches.
Imagens para PDF
Files are processed in your browser. Encrypted PDFs are not supported.
Mesclar PDFs
Files are processed in your browser. Encrypted PDFs are not supported.
Extrair páginas PDF
Files are processed in your browser. Encrypted PDFs are not supported.
Reordenar páginas PDF
Files are processed in your browser. Encrypted PDFs are not supported.
Verificar endereços
Check syntax, duplicates and common domain spelling mistakes in email lists.
Analisar cabeçalhos
Inspect routing, authentication results and visible privacy details from raw email headers.
Analisar devoluções
Explain common SMTP and enhanced delivery status codes in bounce messages.
Revisar conteúdo
Review subject length, links, image descriptions and common promotional wording.
DNS e autenticação
Query MX, SPF, DKIM and DMARC; draft SPF and DMARC records.
Privacidade e links
Mask email addresses and inspect URL structure without opening links.
Operações de listas
Merge lists, calculate intersections and differences, and export domain statistics.
Buscar e-mails em arquivos
Extract unique addresses from pasted content or local TXT, CSV, HTML and EML files.
Modelos de e-mail
Create an HTML email and a plain-text version from editable message fields.
Editor HTML e CSS inline
Preview HTML email, inline static CSS at a selected width and inspect compatibility risks.