On-device · 30 converters
PocketCvt
Convert files in your browser. Nothing is uploaded — processing never leaves your device.
Converters
Search or filter — every tool runs locally in your tab.
Image
9 tools- IMOpen →
HEIC to JPG Converter
Convert iPhone HEIC/HEIF photos to JPEG for email, Windows, and the web.
- IMOpen →
WebP to PNG Converter
Turn WebP images into PNG while preserving transparency for design workflows.
- IMOpen →
PNG to WebP Converter
Compress PNGs to WebP for faster pages and better Core Web Vitals.
- IMOpen →
JPG to PNG Converter
Convert JPEG photos to lossless PNG for editing and transparent overlays.
- IMOpen →
Image to Base64 Converter
Encode images as data URIs for CSS, HTML, and email embeds.
- IMOpen →
Base64 to Image Converter
Decode Base64 or data URIs into downloadable PNG or JPG files.
- IMOpen →
SVG to PNG Converter
Rasterize SVG icons and logos to PNG at your chosen scale.
- IMOpen →
Image Resizer & Compressor
Resize and compress images for uploads, email, and faster websites.
- IMOpen →
GIF Frame Extractor
Pull individual PNG frames from animated GIFs and download as a ZIP.
Audio
1 toolText
3 tools- TEOpen →
Markdown to HTML Converter
Turn Markdown drafts and READMEs into clean HTML with live preview.
- TEOpen →
HTML to Markdown Converter
Migrate CMS HTML content into portable Markdown for docs and blogs.
- TEOpen →
Text Case Converter
Switch text between UPPER, lower, Title, camelCase, snake_case, and more.
Data
4 tools- DAOpen →
CSV to JSON Converter
Parse spreadsheet CSV exports into JSON arrays ready for APIs and apps.
- DAOpen →
JSON to CSV Converter
Flatten JSON object arrays into Excel-friendly CSV downloads.
- DAOpen →
Excel to JSON Converter
Read XLSX spreadsheets in the browser and export sheet data as JSON.
- DAOpen →
JSON to Excel Converter
Turn JSON arrays into downloadable Excel workbooks for non-technical teams.
Document
2 toolsDeveloper
9 tools- DEOpen →
JSON Formatter & Validator
Pretty-print, minify, and validate JSON offline with clear error messages.
- DEOpen →
YAML to JSON Converter
Convert Kubernetes and CI YAML configs to JSON — and back again.
- DEOpen →
XML to JSON Converter
Map XML feeds and payloads into structured JSON with pretty printing.
- DEOpen →
URL Encoder & Decoder
Percent-encode and decode query strings and share links safely.
- DEOpen →
HTML Entity Encoder & Decoder
Encode and decode HTML entities for safe embedding of user content.
- DEOpen →
Client-Side Hash Generator
Compute MD5, SHA-256, and SHA-512 checksums for text or files locally.
- DEOpen →
UUID Generator
Generate bulk UUID v4 identifiers for databases, tests, and APIs.
- DEOpen →
Unix Timestamp Converter
Convert Unix epochs to human dates and ISO 8601 in UTC or local time.
- DEOpen →
Cron Expression to Human Readable
Explain cron schedules in plain English and preview upcoming run times.
Design
1 toolUtility
1 toolNo tools match your search.
Why convert in the browser?
Private by design
Files are processed on your device with JavaScript and WebAssembly. Nothing is sent to PocketCvt servers.
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Open a tool, drop a file or paste text, and download the result. Free for personal and professional use.
Instant results
Conversions run in your tab — no upload queue, no waiting on a remote server to finish the job.