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开发者工具

构建软件的实用工具。

The everyday utilities developers reach for, all free and in one place. Format and validate JSON, convert between JSON, CSV, XML, and YAML, encode and decode Base64 and URLs, decode JWTs, generate UUIDs and hashes, and test regular expressions. There is also a full suite of network and security tools: DNS, SSL, ping, traceroute, and header checks. Client-side tools keep your data on your device, and network tools send only the minimum needed.

Popular 开发者工具

JSON Formatter
Format, minify, and validate JSON with precise error locations.
Used 4.1K timesUpdated never
Base64 Decoder
Decode Base64 strings back to UTF-8 text instantly in your browser with byte-size stats.
Used 4 timesUpdated 18 minutes ago
Traceroute Tool
Trace the network path to a hostname or IP. Shows each hop, round-trip times, and whether the route completed.
Used 4 timesUpdated 23 minutes ago
HTML Formatter
Format and beautify HTML markup with indentation, readable tag breaks, and optional minification.
Used 3 timesUpdated 18 minutes ago
Base64 Encoder
Encode UTF-8 text to Base64 instantly in your browser with byte-size stats.
Used 2 timesUpdated 25 minutes ago
CSV to JSON
Convert CSV spreadsheets to JSON arrays with header detection, type parsing, and dot-key unflattening.
Used 1 timesUpdated 7 minutes ago
AES Encrypt
Encrypt and decrypt text with AES-GCM or AES-CBC using a passphrase or hex key, entirely in your browser.
Used 1 timesUpdated 16 minutes ago
AES Decrypt
Decrypt AES-GCM or AES-CBC JSON payloads using the passphrase or hex key that was used to encrypt them.
Used 1 timesUpdated 24 minutes ago
RSA Encrypt
Encrypt and decrypt text with RSA-OAEP public/private keys, including hybrid mode for longer messages.
Used 1 timesUpdated 26 minutes ago
DNS Lookup
Query public DNS records for any domain — A, AAAA, MX, TXT, NS, CNAME, SOA, SRV, CAA, and PTR.
Used 1 timesUpdated 3 minutes ago
MX Record Lookup
Look up mail exchange (MX) DNS records for a domain, sorted by priority with mail host IP resolution.
Used 1 timesUpdated 31 minutes ago
Excel to CSV
Convert Excel spreadsheets (XLSX, XLS, ODS) to CSV in your browser, with per-sheet selection and delimiter options.
Used 1 timesUpdated 6 minutes ago