Tool directory
Find the right tool for the job.
All 42 tools open immediately. Forty-one process entirely in the browser; IP Lookup clearly discloses its external primary and fallback providers.
All tools
Use ⌘ K anywhere on the site to search by tool name or task.
JSON Formatter & Validator
Format, validate, sort, and minify JSON with exact error locations.
LiveImage Compressor
Reduce image size while controlling output quality.
LivePDF Merge
Combine PDF files and arrange pages before export.
LiveBase64 Encode & Decode
Convert text or files to and from Base64.
LiveTimestamp Converter
Convert Unix timestamps and human-readable dates.
LiveUUID Generator
Generate one or many standards-based UUIDs.
LiveRegex Tester
Test regular expressions with matches and capture groups.
LivePassword Generator
Create strong passwords with clear entropy controls.
LiveQR Code Generator
Create downloadable QR codes from text or URLs.
LiveWord Counter
Count words, characters, sentences, and reading time.
LiveJSON Diff
Compare parsed JSON values and list structural changes by path.
LiveJSON to YAML Converter
Convert JSON and YAML in either direction with syntax validation.
LiveJSON to CSV Converter
Convert arrays of objects and tabular CSV in either direction.
LiveJSON to TypeScript
Infer TypeScript interfaces from JSON objects and arrays.
LiveSQL Formatter
Format or minify SQL with selectable database dialects.
LiveURL Encoder and Decoder
Encode or decode URL components and inspect query parameters.
LiveHTML Entity and Unicode Converter
Encode HTML entities and convert text to Unicode escapes.
LiveHash Generator
Calculate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 together.
LiveFile Checksum Calculator
Calculate and verify MD5 or SHA checksums for local files.
LiveJWT Decoder and Verifier
Decode JWT headers and claims, inspect expiry, and verify HMAC signatures.
LiveText Diff
Compare two texts line by line with additions and removals.
LiveCase Converter
Convert prose and identifiers between common letter cases.
LiveLine Sort and Deduplicate
Sort, reverse, trim, filter, and deduplicate text lines.
LiveSlug Generator
Turn titles into clean URL slugs with configurable separators.
LiveMarkdown Preview
Render CommonMark-style Markdown with raw HTML disabled.
LiveImage Resizer and Cropper
Resize and center-crop images to exact pixel dimensions.
LiveImage Format Converter
Convert PNG, JPEG, WebP, and supported AVIF images locally.
LiveHEIC to JPG and PNG
Decode HEIC or HEIF photos and export browser-friendly JPG or PNG.
LiveImage to Base64 and Data URI
Create image Data URIs or restore Base64 image data to a file.
LiveImage Metadata Viewer
Inspect EXIF, GPS, camera, and file metadata without uploading.
LiveQR Code Scanner
Read QR codes from local image files without camera permission.
LiveSplit PDF
Extract selected page ranges into a new local PDF.
LiveRotate and Reorder PDF
Reorder, rotate, or remove PDF pages before export.
LivePDF to Images
Render PDF pages as downloadable PNG or JPEG images.
LiveImages to PDF
Combine JPEG, PNG, and WebP images into one PDF document.
LiveExtract Text from PDF
Extract selectable text from every PDF page in the browser.
LiveCron Expression Generator
Build, validate, explain, and preview five-field cron schedules.
LiveULID Generator
Generate sortable 128-bit ULIDs with cryptographic randomness.
LiveISO 8601 Duration Calculator
Measure exact elapsed time and express it as an ISO 8601 duration.
LiveTime Zone Converter
Interpret a wall time in one IANA zone and compare it across other zones.
LiveIP Address Lookup
Look up public IP location, network, and ASN data with disclosed primary and fallback providers.
LiveCIDR Subnet Calculator
Calculate IPv4 network, broadcast, mask, and usable host ranges.
LiveTask index
Browse by task
Format & Validate
Clean structured data and catch syntax errors.
JSON Formatter · SQL Formatter · Line Tools4 toolsEncode & Decode
Transform text and data between common encodings.
Base64 · URL Encoder · HTML Entities4 toolsConvert Data & Files
Change image, document, and data formats locally.
JSON ↔ YAML · Image Converter · PDF to Images16 toolsGenerate
Create identifiers, secrets, codes, and test data.
UUID · ULID · Password7 toolsCompare
Find structural and line-level changes between inputs.
JSON Diff · Text Diff2 toolsInspect
Examine patterns, metadata, headers, and values.
Regex Tester · Image Metadata · IP Lookup9 tools