Free online tools for
developers & everyday use
A growing collection of fast, privacy-first utilities — PDF tools, developer helpers, network diagnostics, finance calculators and more. No signup, no install.
24Live tools
6Categories
0Signup needed
∞Free uses
100% free forever
No signup required
Files stay in your browser
Works on all devices
PDF Utilities4 tools
🔓
livePDF Password Remover
Remove password from PDFs when you know the password.
PDF utilitiesOpen tool
📄
livePDF Merge & Split
Combine multiple PDFs into one, or extract a specific page range.
PDF utilitiesOpen tool
⬇️
Coming soonPDF Compressor
Compress and reduce PDF file size while keeping good readability.
PDF utilitiesIn development
🖼️
Coming soonImage to PDF Converter
Convert images to a single PDF and convert PDF back to images.
PDF utilitiesIn development
Developer Tools12 tools
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liveJSON Formatter & Validator
Format, validate, and beautify JSON. Spot errors instantly with syntax highlighting.
Dev & OpsOpen tool
⇄
liveBase64 / URL Encoder & Decoder
Encode/decode Base64, URLs, and view JWT payloads.
Dev & OpsOpen tool
⏱
liveCron Expression Builder
Build and explain cron expressions visually with a human-readable preview.
Dev & OpsOpen tool
≠
liveDiff Checker (Text Compare)
Compare two text snippets side-by-side and highlight the differences.
Dev & OpsOpen tool
⇌
liveYAML ↔ JSON Converter
Convert YAML to JSON and JSON back to YAML instantly.
Dev & OpsOpen tool
🔍
liveWhois Lookup
Query WHOIS records for domains and IPs, with a clean summary.
Dev & OpsOpen tool
🔒
liveSSL Certificate Checker
Inspect a site's SSL/TLS certificate, expiry, and cipher details.
Dev & OpsOpen tool
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liveRegex Tester / Extractor
Test your regular expressions with real-time matching and extraction.
Dev & OpsOpen tool
📷
liveImage to Base64 Converter
Convert images to Base64 strings for HTML, CSS, and APIs.
Dev & OpsOpen tool
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liveHTTP Header Checker
Check HTTP headers for any URL and inspect response details.
Dev & OpsOpen tool
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liveText Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
Dev & OpsOpen tool
🌐
liveSubnet Calculator
Calculate IPv4 subnets, masks, and host ranges.
Dev & OpsOpen tool
Network & Security3 tools
📡
livePort Scanner
Scan a host for open TCP ports (local / internal usage only).
NetworkOpen tool
🌍
livePublic IP & Geo Lookup
See your public IP, approximate geographic location, and ISP details.
NetworkOpen tool
🔑
livePassword Generator
Generate cryptographically secure passwords with a visual strength meter.
NetworkOpen tool
Finance & Planning3 tools
📈
liveInvestment Planner
Visualize investment growth with a compound interest calculator and chart.
FinanceOpen tool
🏦
liveLoan Repayment Planner
Calculate monthly payments, total interest, and amortization schedule for any loan.
FinanceOpen tool
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liveCrypto Signals
Live LONG/SHORT crypto trading signals across multiple timeframes.
FinanceOpen tool
Files & Media2 tools